Analysis of Optical Imaging Technologies

Examination of Optical Imaging Technologies PAI is a generally new imaging methodology which shows optical retention stand out from a high goals at profundities of up to a couple of centimeters. Tissue is enlightened utilizing short laser heartbeats and ultrasound waves are created inside the tissue upon optical assimilation. A picture is shaped of the optical ingestion differentiate dependent on the appearance times and amplitudes of the acoustic waves (Wang 2009, Lai and Young 1982, Sigrist and Kneubuhl 1978, Jaeger 2007). It started in the late nineteenth century, when Alexander Graham Bell found the exceptional impact of sound being created due to retention of discontinuous daylight (Bell 1880, 1880a). It was not until the 1970s and 1980s that examination in this field took off, with the approach of present day beat lasers and materials and gadgets for acoustic discovery and recording. Beat laser light, without a doubt, is utilized in most of PAl methods so as to enlighten the example of intrigue. The progression of marvels that happen after light presentation is appeared in the accompanying rundown (Wang 2009, Xu and Wang 2006): Light ingestion: the atoms that assimilate light, begin vibrating and this proceeds until the brightening stops. Temperature rise: the vibration locally expands the temperature for the time of enlightenment, after which the temperature rots. Thermoelastic extension: on account of the thermoelastic impact, the warmed zone will in general extend, with a neighborhood increment in pressure for the time of enlightenment if this happens to rapidly for development to happen. Acoustic discharge: the transient weight variety spreads from the briefly warmed district. The underlying investigations depended on gas-stage examination, in which gases, contingent on their physical properties would ingest explicit frequencies of beat laser radiation, producing acoustic signs recorded by an amplifier (Tam 1986, Meyer and Sigrist 1990). It wasn’t until the mid-1990s that biomedical uses of photoacoustics were accounted for (Kruger 1995, Esenaliev 1997, Hoelen 1998) and starting there, as of recently, the field has seen remarkable development to a phase where imaging frameworks are economically accessible. The age of PA sign can be comprehended by partitioning the wonder into two areas: ‘Optical’ and ‘acoustics’ (Kruizinga 2010). In the optical area, the beat of light episode on the body surface over the site of intrigue, infiltrates and voyages diffusely through the various layers and experiences locales where it is assimilated, causing the age of warmth, which brings about volumetric extension. On the off chance that this warmth is stored in a short enough time utilizing a nano-or femtosecond laser beat, at that point there is no an ideal opportunity for dissemination of warmth into the encompassing medium nor scattering of the worry because of the warmth incited increment in pressure, and a transient disequilibrium emerges, in view of the distinction in pressure inside and outside the area of warmth statement. This outcomes in the age of acoustic outflows, which spread to be distinguished at the body surface through the acoustic space. In the following not many segments, these two sub-areas (optical and acoustic) will be clarified, trailed by a concise framework of the conceivable imaging utilizations of PAI. 2.1.1 Optical space In clinical imaging, the frequency scope of 650 nm to 1300 nm is frequently alluded to as the 'tissue optical window, wherein the tissue parts, fundamentally hemoglobin, water and melanin ingest negligible light, permitting more prominent entrance of the photons than at different frequencies. The two procedures that command in light interfacing with tissue are 'dissipating and 'retention. The quality of these collaborations vigorously rely upon the frequency of the light utilized and the segments of the interfacing tissue. Prior to investigating the optical space, it is important to characterize some basic optical boundaries and amounts, as recorded in Table 2.1. Table 2.1. Meanings of some regular optical boundaries and amounts With these boundaries, it is conceivable to characterize the elimination coefficient , as in Equation 1.1[JCB1]. Its proportional would be the mean free way between any ingestion or dispersing occasions. . (1.1)[JCB2] So as to consider the anisotropy of light dissipating, while at the same time assessing the dispersing property of a tissue (as it contains a blend of organelles and cells, running in size from nm to ÃŽ ¼m), another dispersing coefficient is characterized (Cheong et al. 1990). It is known as the decreased (or transport) dispersing coefficient and it is equivalent to: , (1.2) where g is the anisotropy factor, which is around 0.9 for tissue in the Vis-to-NIR [JCB3]wavelength territory. The guess of light vehicle through tissue is given by the dissemination hypothesis. Here the weakening (an) of light is approximated per unit length d with the utilization of Beers law , and the compelling lessening coefficient  µeff [JCB4]is given by (Cheong et al. 1990, Oraevsky et al. 1997): , (1.3) Not at all like the all-optical imaging modalities, the goals of PAI doesn't experience the ill effects of the dissipating of photons. Truth be told, dissipating inside the tissue lead to an increasingly homogenous appropriation of photons, which can be valuable for successful PA wave age. The restricting component that PAI imparts to other optical strategies is the low entrance profundity of light in tissue. All things considered PAI just requires the conveyance of light one way, and ultrasonic dissipating is a few significant degrees more fragile than optical dispersing in tissue. Along these lines PAI takes into consideration high spatial goals a lot further inside tissue than all-optical imaging, and can picture to a lot more prominent profundities than the vast majority of the other optical imaging procedures. 2.1.2 Acoustic space The imaging guideline of PAI doesn't depend on the impression of an acoustic wave, as in ultrasound imaging, yet rather on the location of an acoustic wave created from ingestion of light. The age of PA [JCB5]waves happens just when the occurrence laser beat [JCB6]length fulfills the pressure imprisonment condition (Xu and Wang 2006, Jacques 1993). The pressure control basis is fulfilled when the laser beat length is shorter than the time ( ) for the pressure waves to disseminate from the area of optical retention: ,(1.4) where, is a delegate direct measurement, for example, the width of the retaining area or the profundity of entrance of the laser shaft into the engrossing locale, and is the speed of sound in tissue. As a rule, a heartbeat width of 3-10 ns is utilized in PAI. Heartbeat lengths more noteworthy than many nanoseconds don't create a circumstance that fulfills the pressure repression standard and produces either a very week or no PA signal. Heartbeats a lot shorter than a couple of nanoseconds lead to the age of more fragile PA signals from tissue. The created acoustic signs spread radially from the source, and the adequacy of the PA wave shows the degree of nearby optical retention, while the spatial birthplace of the acoustic waves, which demonstrates the area of the safeguard, can be controlled by the wave shape at the body surface, as given when taken for each piece of the wave to arrive at the transducer surface, after laser illumination. The underlying PA pressure age caused due to thermoelastic extension can be changed as (Oraevsky and Karabutov 2003, Gusev and Karabutov 1993) ,(1.5) where ÃŽ ² is the warm extension coefficient, Cp is the particular warmth at consistent weight, c is the speed of sound in the engrossing item, F is the light fluence and is the optical assimilation coefficient. is alluded to as the Grã ¼neisen coefficient ( and H (= is the nearby vitality statement thickness. With this condition, it is conceivable to gauge the inherent affectability of PAl methods, which communicates how much the weight signal sufficiency would increment, if the fluence of the laser radiation is expanded by a given sum. The acoustic wave that is produced upon light assimilation complies with the accompanying wave condition (overlooking warm dissemination and kinematic thickness) (Tam 1986, Sigrist 1986, Diebold et al. 1991, Gusev and Karabutov 1993). (1.6) The left half of condition speaks to the ordinary wave condition where v[JCB7] is the speed of sound in the mode of spread, P weight and t time. The correct side depicts the PA source, where ÃŽ ² is the warm extension coefficient, Cp is the particular warmth at consistent weight and H is the measure of warmth produced following light ingestion. H can be spoken to as the result of optical retention coefficient ÃŽ ¼a and the light fluence F (. The PA wave condition (1.6) formalized above can be considered as the key equation utilized for the development of PA pictures, whereby, a direct connection between optical retention and the deliberate acoustic abundancy is expected. [JCB1] Much the same as figures and talbes, all conditions ought to be alluded to in the content. Something else, for what reason is the condition there? [JCB2] This is the way to focus a condition. Dont utilize any tabs. Right legitimize the line, and put spaces between the condition and the condition number until the condition is focused by eye. Why have you utilized an extremely little textual style for the condition number? I suggest that you dont do this. Additionally, even the conditions themselves in this proposition are little. It is boarderline adequate. Marginally bigger would be better. Obviously don't make the in-line conditions greater. At last, rules of language likewise apply to conditions. On the off chance that the completion a sentence or speak to a sentence all alone, they ought to be trailed by a full stop. On the off chance that the are trailed by the continuation of a sentence, at that point proper accentuation ought to be utilized. For instance, when they are trailed by where variable is given by image, at that point the condition should end in a comma and the word where should start with a little w. You will see this as duplicated from all the great diaries a

Your Up To Your Neck In Water Essay Example For Students

Your Up To Your Neck In Water Essay Hard rains tumbling down on you The breezes have changed young lady, and what have you to think about at this point? Presently the skys wall they are a facin for you We will compose a custom article on Your Up To Your Neck In Water explicitly for you for just $16.38 $13.9/page Request now You at last discovered that cash doesnt talk it swears Consider your past and appreciate it, for its gone at this point. Presently your simply meandering round, While tuning in to that regular old sound Like a Rolling Stone?- Bob Dylan-like a drifter The sun is no more Also, the breeze has halted Each one despite everything trusts that the boats will come in What do you have to hang tight for the present? Gazing tossed the peephole on your knees Kraft supper and cheddar is all you got know. You came right here, when what you where truly searching for, was the reverse way around In any case, dont overlook that regular old sound Like a Rolling Stone?- Bob Dylan-like a drifter You are stripped and without any protection before society Youve got the opportunity to discover a name for yourself Furthermore, deal with your reputation The pink rose that sat across you immaculate cherry world, Furthermore, youre endless cash flexibly Laying in your faultless jewel sky Swirlin and whirlin flourish With youre tied up hirelings Flipped out fakes and air pocket gum whirls Disintegrating behind you that shadow that you cannot overlook Naive a snickering in any event, when you feel lament Tally the endless, converse with the confused, sing on the cemetery In any case, dont ever overlook that regular old sound Like a Rolling Stone?- Bob Dylan-like a drifter Dark red blazes bewildered your ears Tossing you to compelling snares Utilizing your considerations and thoughts However, just to strip youre self down to the gap that hes in After he took from you everything He could take.- Bob Dylan-Like A Rolling Stone Also, dont conceal that crude injury your not in the social request any longer Its opportunity to overlook that regular old sound Sing, inhale, compose, talk, croak and more arent those all the characteristics of a genuine man

Blog Archive Friday Factoid Career Change Mentoring at NYU Stern

Blog Archive Friday Factoid Career Change Mentoring at NYU Stern We all know that some aspiring MBAs view their time in business school as a platform through which they can execute a career change.  Recognizing that these “career switchers” can benefit from as much exposure as possible to their desired new industry, New York Universitys (NYUs) Stern School of Business offers its Industry Mentoring Initiative (IMI). The IMI provides students who are committed to changing their career path with a chance to immerse themselves in their new targeted industry. Specifically, Stern partners with major corporations in New York City whose employees agree to mentor students who wish to make a career shift. Students thereby gain access to industry-specific mock interviews, networking opportunities and QA sessions with their mentors.  In recent years, five IMI tracks were offered:  Sales and Trading, Investment Banking, Consulting, Marketing and Entertainment and Media. All first-year students can apply to participate in the IMI, and each year, approximate ly 8â€"15 students are selected for each career track. If you are looking to make a career switch, you may want to look to Stern and immerse yourself in IMI! For more information on other defining characteristics of the MBA program at NYU Stern or one of 15 other top business schools, please check out the  mbaMission Insider’s Guides. Share ThisTweet Friday Factoids New York University (Stern) Tags: career change career shift mentoring

The Pricing Strategies of Fast Foods vs. Restaurants

The Pricing Strategies of Fast Foods vs. Restaurants Dateesha L. Cavin Webster University 28 April 2011 Abstract This paper explores the difference in pricing strategies of Fast Food vs. Restaurants. Fast food restaurants compared to sit-down restaurants are exceedingly popular because they prove to fit comfortably in our active, modern day lives. Today, many people eat fast food instead of cooking meals at home. The reason for this is that many of us are constantly busy with our daily responsibilities and we are continuously on the go. We believe that we have a limit of time, and fast food restaurants are at the maximum of convenience for everyone at any hour. You can pretty much find a fast food restaurant at every corner of a street,†¦show more content†¦There is a specialized kids menu, which usually, comes with toys that change periodically, therefore, enticing children to continue returning for more. Most of the time, the products of the fast food industry are inexpensive, yet delicious. For fewer than five dollars you can usually get a meal that’s satisfying and filling. This is fitting for people who don’t wish to spend much money and even a child, it would seem, could afford their own meal at such low prices. When you can find and easy, filling, convenient and inexpensive meal at every street corner, fast food seems like the logical choice to cut out the stress in today’s hectic world. From the elasticity of the demand, it is less elastic. So it means there is some stability between the change in the demand and the change in the price. It is well documented that portion sizes for foods purchased at fast food places and restaurants have increased sharply over the past two decades (Young et al., 2002). Therefore Fast food places have a fixed group of consumers, a stable volume, and type of consumption. Fast Foods rank top in the output value and the size in the global market. 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The War Of The Vietnam War - 1155 Words

The Vietnam War cost many Americans their lives in the 60s and 70s. Many were drafted into the war by choice and others selectively chosen to join to help America. The contributions made had a major impact on the American side of the Vietnam War. Though many contributions were made none stand out any more than others. It is sometimes said there is always a hero in the war who helped the victory. Wars, however, do not have war heroes because a hero is making an undeniable contribution to the war and affects the victory when in reality a war is based on outsmarting the opponent and seeing who has more heart. The war does not have a hero because drafted soldiers do not always want war to occur, disorders that get to soldiers affect them for†¦show more content†¦With the volunteers also came the cowardly and anti-war people who didn’t want to go to war. Many fled to Canada to avoid the draft and became known as â€Å"draft dodgers†, a derogatory term at that time. The men who dodged the draft and did not support their country ultimately could have costed America the war. In this instance there are definitely no war heroes especially not with Americans dodging the opportunity to help the allied side of the war. In exception to medical reasons or family attentive reasoning, no one was allowed to miss their drafting day and was not allowed to stay home from the war when needed. The war had a great impact on everyone involved in the war, whether it is soldiers, bystanders, or surrounding cities, nobody was safe from some type of stress and recoil from the war. Post war diseases such as PTSD, or Post-Traumatic Stress Disorder, affected those people in the war and around the war zone. Most people could hide it but the degree of hiding it varied between who the person was and what that person went through and if it was bad or not. Other people let it completely control their lives. PTSD also proved that there were no war heroes because no matter what nobody wins. The returning soldiers were affected and usually hurt physically, mentally, and in some cases, both. In the novel, The Things They Carried,

Death as a Theme in the Writings of Emily Dickinson Essay

Emily Dickinson Paper Alex Lesnick May 7, 2002 Period 1 Written word is perhaps the most powerful medium that humans have created to express their thoughts. A person can express a myriad of emotions through pen and paper, ranging from hope and happiness to morbid obsessions and anxiety. Written words, unlike spoken words, are for eternity. Once a thought is written down, anyone can read it, interpret it, ponder it, or question it, until it is destroyed. On the other hand, if a thought is spoken, it exists only for a second and then exists only in the minds of the one who uttered it and those who heard it. Only those who were present can interpret, question, or ponder that thought. If the paper or whatever material a thought†¦show more content†¦Unloved by her mother, abandoned by her girl friends, devalued as a female, discouraged in her literary aspirations, importuned to accept a religion that offered her no haven, she felt herself a seething volcano. 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Analysis of Integrating Production Design †Free Samples to Students

Question: Discuss about the Analysis of Integrating Production Design. Answer: Introduction: The following paper deals with the business setup with respect to travel agent, an online shop in baby boomers. Baby boomers hold important characteristics like good work ethics, they are independent and competitive nature, goal oriented, determined and focus on their work, discipline. The report provides the decision making process and the stages of taking good decisions in the organization. It also includes various problems and ways of solving them. The main aim of this business is to target customer for baby boomers with the help of online services and good technology. Using online source of business mode requires the use of latest technology, modern means of resources, creative advertisements in order to attract more number of customers (Bagstad et al., 2013). This will increase the line of supply, enhance the production of the business, and as a result, business will grow rapidly (Cosenz Cosenz, 2017). With the changing times, consumers are more demanding for updated and modern resources and products (Gayialis et al., 2016). Investments in modern technology with reasonable rates in the products will attract more customers. When there is customer friendly business and products, then it leads to the expansion in the line of business leading to more income and growth of the business (Marjanovic, Dinter Ariyachandra, 2017). To do online business in relation to the baby boomers then it will be an interesting and a tough competition for the business and the market. Baby boomers always book their tickets through online system as it makes them easier to do so their first priority is online apply for the booking of the tickets. They are the strong buyers and they always have an idea about the new offerings and premium services related to travel and tickets. As baby boomers are very much dependent on the online services and technology, therefore this will be more demanding and encouraging if the business is for the baby boomers (Rosemann vom 2015). Impact of technology and online service Increase in efficiency- Use of online business creates speed and efficiency in the business transaction. Increase in customers- It creates more customers due to advertising effect. It creates more advertisements on the social sites that lead to more customers. Increase in production- Due to online mode of business, production also rises because of more sales growth. This creates more profit and revenue (Seletos Salmon 2017). Good relation between the customers and sellers- the interaction between customers and sellers become easier, faster with accuracy, and more reliable. More supply within less span of time- As online mode of business creates faster in services process, and as it is in relation to baby boomers therefore it carets more supply. Baby boomers are the primary set of customers that means they place a trust factor on the mode of service and the technology dependant; therefore, it adds a very strong positive impact on the business and the market in terms of growth factor. Problem solving skills To solve a problem, certain stages followed while solving the problem. There are various stages of problems in the business organization. It includes identifying, description, creation of various solutions, analysis of the best solution, and execution of the solution. First stage is to identify the problem; it gives the question of what. The next stage is to understand the problem in a detail description (Terrenghi et al., 2017). After knowing the problem in a descriptive way, the next stage is to create various solutions to solve the problem. The last stage is to choose the best solution and to implement that solution to solve the problem. In sum, these are the various stages of problem solving at work place. While setting up new business there are problems that occur. A problem give rise too many questions like why, how, what and when. The aim of the business is to find out the effective solution for the given problems. Problem can be physical, mental or disable depends on an individual. Problems are uncertain and therefore they are unpredictable (Basole et al., 2016). Apart from these stages, there are effective communication skills in problem solving skills strategy. It includes listening, understanding of the problem, free and open minded, friendly nature. An organization to earn good sales will have to create good image and it occurs when there is effective communication skills. It includes complete professional conversation between the stakeholders and the management. Mode of collecting information can be primary or secondary source. Primary includes the first hand material or information, also known as qualitative information. The information is in descriptive format it is qualitative in nature. On the other hand, secondary data are those that are measured n numbers and figures. These data given already, to source, therefore these give accurate results or data on the particular topic. Applying decision theory to business situations Decision theory is the process of identifying the problems and solution using strategic mathematical tools and analysis. It includes risk and gain depending on the level of output or outcomes. It includes four basic factors that are acts, events, output, and the payoffs. Acts are the roles or actions performed by the agent, events is the situation in which that action has been occurred, this action gave certain outcome or output that are measured in terms of payoffs (Veit et al., 2014). Two broad categories of decision theory are descriptive form and normative form. Normative form of decision includes the identification of the decision in order to make the best decision for stability and accuracy. On the other hand, descriptive decision includes how to make good and accurate decision. It includes various methods, tools and analysis and the latest software in order to support and help the people in making decision. The decision can be on different kinds of problems that can occur in a business environment. They are in times of uncertainty, risk situation, under incomplete information, conflict situation and under certainty. In case of uncertainty that is when business are unaware of problem that is going to take place and the business owner do not know what to do and what decision to take (Frana et al., 2017). In such cases, decision theory strategy used to give accurate information on the uncertainty. In case of risk, decision theory helps in identifying the risk factors and gives the measures to solve those risks. Using payoff matrix, it help in providing optimal decision in relation to that risks. Third areas of problem can be in case of adequate or incomplete information, in such instances, decision theory suggests various analysis tools using given adequate information to understand the situation. Under conflict situation, using game strategy a decision creator anticipates the acts of the opposite player using his own decision and strategy. Lastly, there is situation when the decision creator gets the full information and data related to problem; therefore, it becomes an easy task for the decision creator to make certain strategy with the given options, which finally will give the decision maker the highest payoff in terms of satisfaction and utility. With respect to baby boomers, nearly 57 percent visit family and their friends on a daily basis and 54 percent travel to relax. Nearly 41 percent baby boomers give the priority to stay in hotel rooms while 15 percent prefers resorts. In case of transportation facility, nearly 45 percent baby boomers want to travel in flights while 43 percent prefers to use cars for their travel (Wang Reani 2017). Therefore creating business in relation to baby boomers will be a positive step in the growth of the business and the economy. Business of travel agent will achieve a boom in such specialization, as baby boomers are the most support and encouraging customers for the growth and development of this business at its initial phase. Figure 1: Business Report and calculation List Type Quantity unit Amount Flights Transportation 2 600 1200.00 Taxis and buses Transportation 5 30 150.00 Hotel(night stay) Lodging 5 120 600.00 Breakfast and lunch Food 5 45 225.00 Dinners Food 5 20 10.00 Entertainment Entertainment 2 35 70.00 Miscellaneous Entertainment and transportation 2 20 40.00 Total expense 2295.00 Figure 2: Statistical representation of Travel agent budget Sources: Created by author Conclusion The report provides a brief overview won the travel business industry in respect of baby boomers. It gives various stages of problem solving skill along with different problem of the business. The report discusses decision theory and its various strategies in different situations. It evaluates the business problems using data collection process and decision-theory process. References Bagstad, K. J., Semmens, D. J., Waage, S., Winthrop, R. (2013). A comparative assessment of decision-support tools for ecosystem services quantification and valuation.Ecosystem Services,5, 27-39. Basole, R. C., Huhtamki, J., Still, K., Russell, M. G. (2016). Visual decision support for business ecosystem analysis.Expert Systems with Applications,65, 271-282. Cosenz, F., Cosenz, F. (2017). Supporting start-up business model design through system dynamics modelling. Management Decision,55(1), 57-80. Frana, C. L., Broman, G., Robrt, K. H., Basile, G., Trygg, L. (2017). An approach to business model innovation and design for strategic sustainable development.Journal of Cleaner Production,140, 155-166. Gayialis, S. P., Papadopoulos, G. A., Ponis, S. T., Vassilakopoulou, P., Tatsiopoulos, I. P. (2016). Integrating Process Modeling and Simulation with Benchmarking using a Business Process Management System for Local Government.International Journal of Computer Theory and Engineering,8(6), 482. Marjanovic, O., Dinter, B., Ariyachandra, T. (2017, January). Introduction to Organizational Issues of Business Intelligence, Business Analytics and Big Data Minitrack. InProceedings of the 50th Hawaii International Conference on System Sciences. Rosemann, M., vom Brocke, J. (2015). The six core elements of business process management. InHandbook on business process management 1(pp. 105-122). Springer Berlin Heidelberg. Sauter, V. L. (2014).Decision support systems for business intelligence. John Wiley Sons. Seletos, T., Salmon, J. (2017). Analysis of Integrating a Production Design Generator with a Business Decision Support System for System-Level Decision Making.Systems,5(1), 14. Terrenghi, N., Schwarz, J., Legner, C., Eisert, U. (2017). Business model management: current practices, required activities and IT support. Veit, D., Clemons, E., Benlian, A., Buxmann, P., Hess, T., Kundisch, D., ... Spann, M. (2014). Business models.Business Information Systems Engineering,6(1), 45-53. Wang, W., Reani, M. (2017). The rise of mobile computing for Group Decision Support Systems: A comparative evaluation of mobile and desktop.International Journal of Human-Computer Studies,104, 16-35.

Numeral System Essay Example

Numeral System Essay A numeral system (or system of numeration) is a writing system for expressing numbers, that is, a mathematical notation for representing numbers of a given set, using digits or other symbols in a consistent manner. It can be seen as the context that allows the symbols 11 to be interpreted as the binary symbol for three, the decimal symbol for eleven, or a symbol for other numbers in different bases. Ideally, a numeral system will: * Represent a useful set of numbers (e. g. ll integers, or rational numbers) * Give every number represented a unique representation (or at least a standard representation) * Reflect the algebraic and arithmetic structure of the numbers. b numeral system base dn the n-th digit n can start from negative number if the number has a fraction part. N+1 the number of digits Base (Radix):- The total number of distinct symbols used by a number system called base or radix. E. g. : Decimal number system uses ten distinct symbols: 0,1,2,3,4,5,6,7,8,9. Decimal numb er system:-The decimal numeral system (also called base ten or occasionally denary) has ten as its base. It is the numerical base most widely used by modern civilizations. [1][2] Decimal notation often refers to a base-10 positional notation such as the Hindu-Arabic numeral system Decimal number system uses ten distinct symbols: 0,1,2,3,4,5,6,7,8,9. Binary number system:- In mathematics and computer science, the binary numeral system, or base-2 numeral system, represents numeric values using two symbols: 0 and 1. More specifically, the usual base-2 system is a positional notation with a radix of 2.Numbers represented in this system are commonly called binary numbers. Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used internally by almost all modern computers and computer-based devices such as mobile phones. E. g. 101012 = 10101B = 1? 24+0? 23+1? 22+0? 21+1? 20 = 16+4+1= 21 101112 = 10111B = 1? 24+0? 23+1? 22+1? 21+1? 20 = 16+4+2+1= 23 1000112 = 100011B = 1? 25+0? 24+0? 23+0? 22+1? 21+1? 20 =32+2+1= 35 Octal number system: The octal numeral system, or oct for short, is the base-8 number system, and uses the digits 0 to 7.Octal numerals can be made from binary numerals by grouping consecutive binary digits into groups of three (starting from the right). For example, the binary representation for decimal 74 is 1001010, which can be grouped into (00)1 001 010 – so the octal representation is 112. In the decimal system each decimal place is a power of ten. For example: In the octal system each place is a power of eight. For example: By performing the calculation above in the familiar decimal system we see why 112 in octal is equal to 64+8+2 = 74 in decimal. E. g. 278 = 2? 1+7? 80 = 16+7 = 23 308 = 3? 81+0? 80 = 24 43078 = 4? 83+3? 82+0? 81+7? 80 = 2247 Hexadecimal Number System: In mathematics and computer science, hexadecimal (also base 16, or hex) is a positional numeral system with a radix, or base, of 16. It uses sixteen distinct symbols, most often the symbols 0–9 to represent values zero to nine, and A,? B,? C,? D,? E,? F (or alternatively a–f) to represent values ten to fifteen. For example, the hexadecimal number 2AF3 is equal, in decimal, to (2 163) + (10 162) + (15 161) + (3 160), or 10995.Each hexadecimal digit represents four binary digits (bits), and the primary use of hexadecimal notation is a human-friendly representation of binary-coded values in computing and digital electronics. One hexadecimal digit represents a nibble, which is half of an octet or byte (8  bits). For example, byte values can range from 0 to 255 (decimal), but may be more conveniently represented as two hexadecimal digits in the range 00 to FF. Hexadecimal is also commonly used to represent computer memory addresses. Examples: 2816 = 28H = 2? 161+8? 160 = 40 2F16 = 2FH = 2? 161+15? 60 = 47 BC1216 = BC12H = 11? 163+12? 162+1? 161+2? 160 = 48146 Numeral Systems Conv ersion Table Decimal Base-10| BinaryBase-2| OctalBase-8| HexadecimalBase-16| 0| 0| 0| 0| 1| 1| 1| 1| 2| 10| 2| 2| 3| 11| 3| 3| 4| 100| 4| 4| 5| 101| 5| 5| 6| 110| 6| 6| 7| 111| 7| 7| 8| 1000| 10| 8| 9| 1001| 11| 9| 10| 1010| 12| A| | ASCII Code: Ascii stands for American standard code for information interchange. This code uses 7 bits to represent any character. These 7 bits lead to128 codes. There are two types of character coded by ACII printable and nonprintable control characters.The printable character include digits from 0 to 9, The upper case and lowercase English letters from A to Z, mathematical operation +,-,*, etc punctuation marks and various special symbols like $, @, #, etc. Non-printable characters are those which do not provide and display on the screen. These codes are used to provide any control information to the computer system. For example end of line, end of pages, start of text, end of text, carriage return etc are nonprintable control character coded by the ASCII code.These codes are extensively used by printers, terminals and keyboard 7 bit code enters inside the computer circuit. E. g. HI FI This string has five characters: H, I, SPACE, F and I Therefore 5*7=35 bits will needed in computer to represent this character string. GRAY CODES: Gray code is used in shaft encoder which indicates the angular position of shaft in digital form. Binary bits are arranged in such a way that only one binary bit changes at a time when we make a change from any number to the next. Its use reduced the error in the reading shaft position.The largest possible error will be one least significant digit. Suppose that the shaft changes it position from 7 to 8, the gray code will change from 0100 to 1100. If change in the binary bit is not picked up by the sensor, the encoder will show the previous position that is 7. But in case of standard binary code 7 is represented by 0111 and by 1000. If sensor picks up the least significant bits that is 000, but fails to pick up the most significant bit 1, the output will be 0000 instead of 1000 . there will be large error if standard binary code is used for shaft encoding.In this case an error of the most significant bit may occur . the Gray code is often used in computer controlled machines such as lathes etc. Addition The circuit diagram for a binary half adder, which adds two bits together, producing sum and carry bits. The simplest arithmetic operation in binary is addition. Adding two single-digit binary numbers is relatively simple, using a form of carrying: 0 + 0 0 0 + 1 1 1 + 0 1 1 + 1 0, carry 1 (since 1 + 1 = 0 + 1 ? binary 10) Adding two 1 digits produces a digit 0, while 1 will have to be added to the next column.This is similar to what happens in decimal when certain single-digit numbers are added together; if the result equals or exceeds the value of the radix (10), the digit to the left is incremented: 5 + 5 0, carry 1 (since 5 + 5 = 10 carry 1) 7 + 9 6, carry 1 (since 7 + 9 = 16 carry 1) This is known as carrying. When the result of an addition exceeds the value of a digit, the procedure is to carry the excess amount divided by the radix (that is, 10/10) to the left, adding it to the next positional value. This is correct since the next position has a weight that is higher by a factor equal to the radix.Carrying works the same way in binary: 1 1 1 1 1 (carried digits) 0 1 1 0 1 + 1 0 1 1 1 - = 1 0 0 1 0 0 = 36 In this example, two numerals are being added together: 011012 (1310) and 101112 (2310). The top row shows the carry bits used. Starting in the rightmost column, 1 + 1 = 102. The 1 is carried to the left, and the 0 is written at the bottom of the rightmost column. The second column from the right is added: 1 + 0 + 1 = 102 again; the 1 is carried, and 0 is written at the bottom. The third column: 1 + 1 + 1 = 112. This time, a 1 is carried, and a 1 is written in the bottom row.Proceeding like this gives the final answer 1001002 (36 decimal). When computers must add two numbers, the rule that: x xor y = (x + y) mod 2 for any two bits x and y allows for very fast calculation, as well. A simplification for many binary addition problems is the Long Carry Method or Brookhouse Method of Binary Addition. This method is generally useful in any binary addition where one of the numbers has a long string of â€Å"1† digits. For example the following large binary numbers can be added in two simple steps without multiple carries from one place to the next. 1 1 1 1 1 1 1 1 (carried digits) (Long Carry Method) 1 1 0 1 1 1 1 1 0 1 1 1 0 1 1 1 1 1 0 + 1 0 1 0 1 1 0 0 1 1 Versus: + 1 0 1 0 1 1 0 0 1 1 add crossed out digits first + 1 0 0 0 1 0 0 0 0 0 0 = sum of crossed out digits = 1 1 0 0 1 1 1 0 0 0 1 now add remaining digits 1 1 0 0 1 1 1 0 0 0 1 In this example, two numerals are being added together: 1 1 1 0 1 1 1 1 1 02 (95810) and 1 0 1 0 1 1 0 0 1 12 (69110). The top row shows the carry bits used.Instead of the standard carry from one column to the next, the lowest place-valued 1 with a 1 in the corresponding place value beneath it may be added and a 1 may be carried to one digit past the end of the series. These numbers must be crossed off since they are already added. Then simply add that result to the uncanceled digits in the second row. Proceeding like this gives the final answer 1 1 0 0 1 1 1 0 0 0 12 (164910). Addition table | 0| 1| 0| 0| 1| 1| 1| 10| The binary addition table is similar, but not the same, as the Truth table of the Logical disjunction operation .The difference is that , while . Subtraction Subtraction works in much the same way: 0 ? 0 0 0 ? 1 1, borrow 1 1 ? 0 1 1 ? 1 0 Subtracting a 1 digit from a 0 digit produces the digit 1, while 1 will have to be subtracted from the next column. This is known as borrowing. The principle is the same as for carrying. When the result of a subtraction is less than 0, the least possible value of a digit, the procedure is to borrow the deficit divided by the radix (that is, 10/10) from the left, subtracting it from the next positional value. * * * (starred columns are borrowed from) 1 1 0 1 1 1 0 ? 1 0 1 1 1 - = 1 0 1 0 1 1 1 Subtracting a positive number is equivalent to adding a negative number of equal absolute value; computers typically use twos complement notation to represent negative values. This notation eliminates the need for a separate subtract operation. Using twos complement notation subtraction can be summarized by the following formula: A ? B = A + not B + 1 For further details, see twos complement. MultiplicationMultiplication in binary is similar to its decimal counterpart. Two numbers A and B can be multiplied by partial products: for each digit in B, the product of that digit in A is calculated and written on a new line, shifted leftward so that its rightmost digit lines up with the digit in B that was used. The sum of all these partial products gives the final result. Since there are only two digits in binary, there are only two possible outcomes of each partial multiplication: * If the digit in B is 0, the partial product is also 0 If the digit in B is 1, the partial product is equal to A For example, the binary numbers 1011 and 1010 are multiplied as follows: 1 0 1 1 (A) ? 1 0 1 0 (B) 0 0 0 0 + 1 0 1 1 + 0 0 0 0 + 1 0 1 1 = 1 1 0 1 1 1 0 Binary numbers can also be multiplied with bits after a binary point: 1 0 1. 1 0 1 (A) (5. 625 in decimal) ? 1 1 0. 0 1 (B) (6. 25 in decimal) - 1. 0 1 1 0 1 + 1 0 1 1. 0 1 + 1 0 1 1 0. 1 = 1 0 0 0 1 1. 0 0 1 0 1 (35. 15625 in decimal)See also Booths multiplication algorithm. Multiplication table | 0| 1| 0| 0| 0| 1| 0| 1| The binary multiplication table is the same as the Truth table of the Logical conjunction operation . Division See also: Division algorithm Binary division is again similar to its decimal counterpart: Here, the divisor is 1012, or 5 decimal, while the dividend is 110112, or 27 decimal. The procedure is the same as that of d ecimal long division; here, the divisor 1012 goes into the first three digits 1102 of the dividend one time, so a 1 is written on the top line.This result is multiplied by the divisor, and subtracted from the first three digits of the dividend; the next digit (a 1) is included to obtain a new three-digit sequence: 1 ___________ 1 0 1 ) 1 1 0 1 1 ? 1 0 1 0 1 1 The procedure is then repeated with the new sequence, continuing until the digits in the dividend have been exhausted: 1 0 1 ___________ 1 0 1 ) 1 1 0 1 1 ? 1 0 1 0 1 1 ? 0 0 0 1 1 1 ? 1 0 1 1 0 Thus, the quotient of 110112 divided by 1012 is 1012, as shown on the top line, while the remainder, shown on the bottom line, is 102. In decimal, 27 divided by 5 is 5, with a remainder of 2.

Sustained organisational performance

Sustained organisational performance Introduction Talent management has been cited by a number of firms as the key reason behind their continual success even during tough business times. Prioritising this area cushions organisation against externalities and better prepares them to take on challenges that they will face in the future.Advertising We will write a custom report sample on Sustained organisational performance specifically for you for only $16.05 $11/page Learn More Talent development and sustained organisational performance CIPD (2009) claims that the relevance of training to organisational performance has taken on a totally different meaning; nowadays certain unconventional skills have found relevance in the work environment. For example, an engineer taking a coaching course may learn new skills concerning performance and productivity. Although this may be difficult to understand at the onset, it does not imply that employees should be undermined in any way for making such choices. In the end, sustained business performance can be achieved if talent development takes on a different and unconventional meaning in a firm. Today’s business environment is rapidly changing. It has become less skill based and more service or knowledge based. To this end, work has become dynamic and in order to keep up, companies must be ready to engage in continuous learning. In response to this dynamism, firms may ask their employees to think of certain creative courses that they may engage in order to promote creativity. Therefore, continual redefinitions of what learning involves in education will be crucial in ensuring sustainability in performance. One critical issue that is emerging in the area of talent development is the problem of economic conditions. Given the tough business conditions, companies have started reducing budgets allocated to talent management while others have left out the strategy altogether. In fact it has been shown that the thirty eight point five b illion pounds allocated to training in the United Kingdom will reduce in tough times. However, these organisations need to realise that for economic recovery to occur then there must be a firm commitment to talent development. Furthermore, continual learning will place them at a good position when an upturn occurs. Training organisations are also better equipped in tough times because they have a chance to retain their talent and hence be sustainable in production. Studies show that the ratio of firms that go bankrupt is 2.5 times more in firms that abandon training than those that do not so it should never be ignored. Companies cannot do without training because this essentially facilitates differentiation from other organisations and provides them with a source of competitive advantage. Some HR professionals are taking the tough times in their stride by now looking for ways of increasing value within the talent development area.Advertising Looking for report on business e conomics? Let's see if we can help you! Get your first paper with 15% OFF Learn More They are employing creative ways of doing so. First, some of them are substituting external coaching providers with internal ones and they are also looking for cost effectiveness in present talent development system. What this illustrates is that a high number of well performing firms are placing talent management at the top of their agenda and this translates to high return on investment thus high effectiveness (CIPD, 2008) Learning and development is critical at the workplace because it allows the utilisation of skills. In essence, this means that a large number of employees will be more productive and this will translate to high performance. For instance, during tough economic times when budgets are running low, skills utilisation is often done by offering people within the organisation opportunities to grow even though they may not necessarily be the ideal candidates for those po sitions. These persons may get an opportunity to transfer their skills so that they can do well in their new positions. Talent management allows companies a chance of building the employees in their organisation. This means that firms need not invest too much time in focusing on recruiting talent from outside. Additionally, companies will get the opportunity to work with what they have but still focus on their business objectives if they prioritise learning and development (Pearson, 2010). It implies that efficiency in talent management translates to efficiency in business processes and hence high productivity. For example, if a company has been endowed by well performing employees, then talent development will ensure that these individuals are retained and that they continue to contribute towards their organisation’s sustainability. On the other hand, some companies create high performers through talent management. By reviewing how individuals are performing, these organisat ions can ensure that they get a return on their investments and hence be profitable in tough times as well as simpler times. Talent management often encourages employees to engage in the right behaviours. Organisations have various approaches to this. Some may carry it out by ensuring that they instate reward based pay such that pay is linked to outcome. Alternatively, some may look for better ways of doing so such as through the use of rewards provided to the stated individuals. Conclusion Talent management is crucial for survival of companies. By taking training and development needs seriously, firms will build the structures needed in order to get past business obstacles and compete effectively.Advertising We will write a custom report sample on Sustained organisational performance specifically for you for only $16.05 $11/page Learn More References CIPD. (2009). The war on talent? Talent management under threat in uncertain times. Febrary issue, 4685 CIP D. (2008). Time to train: consulting on a new right to request time off to train employees in England. Response to Department for innovation, universities and skills Pearson Compilation (2010). Perspectives on People at Work. Essex: Custom Publishing

American History Research Paper Example | Topics and Well Written Essays - 750 words - 3

American History - Research Paper Example would bring back to life their dead ancestors, return vanished buffalo herds, and restore the customs and traditions of the old ways, before the coming of the "white man"† (The Battle Of Wounded Knee). The government soldiers perceived as an attempt by the tribal to re-take their lost lands and revolt against their new government. However, tribal did not have any such plans even though the soldiers misunderstood them. The soldiers thought that the Lakota collecting arms to fight against the government and they tried to disarm the tribal. The battle of Wounded Knee happened on December 29, 1890, near Wounded Knee Creek in South Dakota, USA. A simple incident resulted in a massacre at Wounded Knee Creek. On the morning of December 29, U.S. 7th Cavalry Regiment troops tried to disarm the Lakota who fought against the American troops earlier. During the process of disarming the Lakota, a deaf tribesman was reluctant to give up his rifle which resulted in the 7th Cavalry opening firing indiscriminately from all sides, killing innocent people including men, women, and children, as well as some of their own fellow troopers. â€Å"It is believed that the accidental shot, fired while the deaf Native tried to maintain his hold on his weapon, caused others in the crowd (Native or white, there are counter claims as to which) to open fire† (The Battle Of Wounded Knee). â€Å"A single shot fueled the already charged atmosphere into a full-fledged eruption within a matter of seconds†(What Was The Battle Of Wounded Kn ee In 1890?). Even unarmed people were killed in this brutal incident. It is estimated that at least 150 men, women, and children of the Lakota Sioux had been killed and 51 wounded in this incident. Some people claim that more than 300 were killed in this incident. Along with the Lakota Sioux, twenty-five troopers were also died in this incident. The brutalities of the soldiers continued even after the completion of the disarmament process. Since some of the

The Autobiography of Malcolm X Essay Example | Topics and Well Written Essays - 1250 words

The Autobiography of Malcolm X - Essay Example Here are the words that clear why he thought his men were controlled by the white Americans and what his people could do to overpower them and get their freedom permanently: The political philosophy of Black Nationalism means: We must control the politics and the politicians of our community. They must no longer take orders from outside forces. We will organize and sweep out of office all Negro politicians who are puppets for the outside forces.1 Above stated text of the statement was made by Malcolm X in the opening of his press conference at New York’s Park Sheraton Hotel, March 12. The mentioned quote tells us that Malcolm’s concern was not only the behaviors and oppositions of the white people but he believed that there were people inside his people who were basically the puppets controlled by the outside forces. 1. Sheppard Roland. â€Å"The assassinations of Malcolm X and martin Luther king, Jr.† The freedom that Malcolm X addressed was the freedom for indi viduals to accept themselves as they were and to not feel the pressure from the social order to work in the correspondence with their standards and not feel like they are beautiful as they are naturally. Malcolm wanted to make them realize that they would not have to dye their hair, or conk them to make them look like that of a white man and so on. Malcolm felt that the freedom is something that allows you to be yourself, and not feel pressured by other cultures to conform to their way of life.   However, he later admitted that he was not as free as he initially thought he was, as he began to put conk in his hair to make them look like that of a white man’s. He realized that he didn’t have the freedom to accept himself as he was and that  he felt the pressure from his friends and other surrounding people.   Malcolm describes the physical pain he endured so that he could feel the pride of belonging to Roxboro Hill. Nevertheless, later Malcolm realized that the pai n he was suffering for his hair was just a deceiving method used to help them (he and other black people) to ignore the real problems of being manipulated to cause harm to themselves by white society so that they could fit the standards of the white people instead of having the freedom to accept themselves as they were. After his visit to Mecca On March, 1964 after his visit to Mecca, Malcolm X explained his changed views on violence and racism in these words: â€Å"I don't speak against the sincere, well-meaning, good white people. I have learned that there are some. I have learned that not all white people are racists. I am speaking against and my fight is against the white racists. I believe that Negroes have the right to fight against these racists, by any means that are necessary.†1 1. John, Simkin. "Malcolm X: Biography." Malcolm continued; â€Å"I am for violence if non-violence means we continue postponing a solution to the American black man's problem - just to avoi d violence. I don't go for non-violence if it also means a delayed solution. To me a delayed solution is a non-solution. Or I'll say it another way. If it must take violence to get the black man his human rights in this country, I'm for violence exactly as you know the Irish, the Poles, or Jews would be if they were flagrantly discriminated against.†1 The hurdles he wanted to demolish The Biggest problem that Malcolm saw in his people was that they were not in a state of realization that they had all the

The Integration of Ole Miss Essay Example for Free

The Integration of Ole Miss Essay James Meredith’s successful campaign to gain admission to the University of Mississippi, ‘Ole Miss’, and desegregate education in the state most resistant to integration of educational institutions has become a crucial epitome in the civil rights movement. The integration of Ole Miss altered Mississippi’s politics and contributed to a cultural shift in the region, as well as rejuvenated local civil rights activists and those in neighboring states. The historic confrontation among James Meredith and the University of Mississippi gives perspective on the category of African-Americans in the U.   S. civilization during the 20th century; breaking down the multi-layered notions of the combat of Ole Miss gives insight on the social and political forces that identified and cooperated with the Civil Rights Movement of the 1950s and 1960s. On September 30, 1962, riots evolved on the campus of the University of Mississippi in Oxford where residents, perspective students, and committed segregationists joined to protest the enrollment and placement of James Meredith, African-American Air Force veteran attempting to integrate the all-white school. Despite the presence of more than 120 federal marshals who were on site to protect Meredith from danger, â€Å"the crowd turned violent after nightfall, and authorities struggled to maintain order†. Once the disappeared the next morning, two citizens were dead and an abundant amount were reportedly injured. For Meredith, this was a step into the door for a process that began no more than two years earlier when he challenged the school, suspecting that he was denied enrollment on the background of ethnicity. However, a lower court partnered with the University of Mississippi, the U. S. Court of Appeals for the 5th Circuit established a decision in June 1962 which ordered the school to accept Meredith in the fall of 1962, ensuring an enormous conflict between the federal government and Mississippis state government anti-integration. After spending the night of September 30 with federal protection, Meredith was permitted to register for courses the morning after, and then became the first African-American to graduate from Ole Miss in August 1963. During this time period there were several events occurring that were related to the Civil Rights Movement. For example, years prior, in 1955-1957 the Montgomery Bus Boycott took place. With this bus boycott Rosa Park ignites a 381-day boycott organized by Martin Luther King Jr. The Freedom Riders of 1961 who opposed to segregation took buses to the South to protest the segregation of bus stations; many were greeted with riots and beatings by segregationist. The â€Å"Letter from the Birmingham Jail† was another major event throughout this time of the Civil Rights Movement. Dr. King wrote this letter in response to Caucasian ministers who urged him to stop causing disturbances and articulates his nonviolent movement/resistance to wrongs of American society. Lastly, the murder of Medgar Evers (head of Mississippi NAACP), who was shot outside of his home on the exact night that President Kennedy addressed the nation on the notion of race. These key events related to the Integration of Ole Miss significantly because each event desired to integrate and with nonviolence. The civil rights movement, which increased in size during WWII because of the NAACP’s membership growing from 50,000 to 500,000 obtained momentum in 1954 with the Supreme Court Case of Brown v. Board of Education. The result of this case was the Court ruling that segregation of schools was deemed unconstitutional. By 1956 Kentucky, Oklahoma, Missouri, Maryland and Delaware had progressed to desegregate their schools, but for Southern Caucasians white supremacy was intensely set in cultural morals and social conferences, integration was not a choice. Many white supremacists referenced anti-integration as the Second Reconstruction. This would give whites an extra opportunity to control African-Americans. In Mississippi officials reacted with a design to â€Å"balance† schools, the government produced the State Sovereignty Commission, which protected the sovereignty of Mississippi and enforce racial segregation in the public eye. Politics were an unjust ideology during the 20th century. Many African-Americans gave up on the government being on their side to gain equal rights and justice. However, there were prominent political figures throughout the Civil Rights Movement who assisted African-Americans in gaining bits of equality. Attorney General, Robert F. Kennedy stated: it is fundamental in our system that there be respect for the law and compliance with all the laws – not just those which we happen to agree. The course which Governor Barnett is following is, therefore, incompatible with the principles upon which the Union is based. James Meredith was escorted onto and off campus by the National Guard, but that was not enough. Robert and John Kennedy both made historical speeches in order to grant equality and security to the African-American civilization. On the contrary, Governor Barnett upheld his beliefs as a white supremacist and aimed so deeply to maintain segregation in the state of Mississippi. Barnett broadcasted through television and radio on September 13, 1962 to express his profound ideas of white domination. He states: I have made my position in this matter crystal clear. I have said in every county in Mississippi that no school in our state will be integrated while I am your Governor. I shall do everything in my power to prevent integration in our schools. I assure you that the schools will not be closed if this can possibly be avoided, but they will not be integrated if I can prevent it. As your Governor and Chief Executive of the sovereign State of Mississippi, I now call on every public official and every private citizen of our great state to join me. It is disturbing to know that a leader of a Union would work so immensely to disagree with everything the union stands for. Governor Barnett was willing to go against the political ideologies of the Constitution in order to maintain segregation in the Mississippi. In conclusion, The Integration of Ole Miss is sadly more â€Å"celebrated† than remembered. The University of Mississippi hung signs that read â€Å"Opening the Closed Society† and â€Å"50 Years of Courage†, but forget that before the state could celebrate integration they enforced over 100 years of segregation. Its almost if the university is celebrating emancipation without tackling its sin first. In order for future generations to understand what the â€Å"closed society† was like we must break down the true notions of the social and political forces that cooperated with the Civil Rights Movement in the 1950s and 1960s.

Condoleezza Rice Essay -- Biography Biographies Essays

Condoleezza Rice Not many people can add the position of National Security Advisor to their list of achievements, especially if those people are women. Condoleezza Rice, however, can place the accomplishment right up there with being a previous member of President Bush’s foreign-policy team, and tenured professor and provost in the political science department of the prestigious Stanford University. Rice is well known for her knowledge on Russian history and current events. After growing up in Birmingham, Alabama during a time of racial segregation, Rice soon went on to graduate from the University of Denver at the age of 19 (she skipped two grades), where she became an expert in the issues of the Soviet Union. She also received two advanced degrees in political science. With a master’s degree from the University of Notre Dame and a doctorate from the University of Denver’s Graduate School of International Studies, she soon found herself a provost and professor at Stanford, only to be drawn away by a life in politics. In Washington, D.C., Rice worked on nuclear strategic planning with the Council on Foreign Relations fellowship at the Joint Chiefs of Staff. After returning to Stanford, she soon found herself back in the political spotlight. President George Bush, in 1989, trusted Rice to the point of allowing her to aid in Russian policy and relations. Rice became the director of Soviet and East European affairs with the National Security Council, special assistant to the president for national security affairs and senior director for Soviet affairs in the National Security Council. In essence, Rice helped Poland receive needed reforms, as well as helped with policies between the United States... ...ck and female, the world suddenly takes notice. â€Å" There aren't too many females in this business, she was really an exception in this almost 100-percent-male crowd -- which may be one of the reasons she earned the reputation of being tough," said Sergei Rogov, director of the Russian Institute of U.S. and Canada Studies in Moscow, who has known Rice for nearly two decades. Condoleeza Rice has been a member on the boards of directors for the Charles Schwab Corporation, the William and Flora Hewlett Foundation, the Chevron Corporation, the University of Notre Dame, the International Advisory Council of J.P. Morgan and the San Francisco Board of Governors. She also has invested time working on various political books, such as â€Å"Germany Unified and Europe Transformed,† â€Å"The Gorbachev Era,† and â€Å"Uncertain Allegiance: The Soviet Union and the Czechoslovak Army.† Condoleezza Rice Essay -- Biography Biographies Essays Condoleezza Rice Not many people can add the position of National Security Advisor to their list of achievements, especially if those people are women. Condoleezza Rice, however, can place the accomplishment right up there with being a previous member of President Bush’s foreign-policy team, and tenured professor and provost in the political science department of the prestigious Stanford University. Rice is well known for her knowledge on Russian history and current events. After growing up in Birmingham, Alabama during a time of racial segregation, Rice soon went on to graduate from the University of Denver at the age of 19 (she skipped two grades), where she became an expert in the issues of the Soviet Union. She also received two advanced degrees in political science. With a master’s degree from the University of Notre Dame and a doctorate from the University of Denver’s Graduate School of International Studies, she soon found herself a provost and professor at Stanford, only to be drawn away by a life in politics. In Washington, D.C., Rice worked on nuclear strategic planning with the Council on Foreign Relations fellowship at the Joint Chiefs of Staff. After returning to Stanford, she soon found herself back in the political spotlight. President George Bush, in 1989, trusted Rice to the point of allowing her to aid in Russian policy and relations. Rice became the director of Soviet and East European affairs with the National Security Council, special assistant to the president for national security affairs and senior director for Soviet affairs in the National Security Council. In essence, Rice helped Poland receive needed reforms, as well as helped with policies between the United States... ...ck and female, the world suddenly takes notice. â€Å" There aren't too many females in this business, she was really an exception in this almost 100-percent-male crowd -- which may be one of the reasons she earned the reputation of being tough," said Sergei Rogov, director of the Russian Institute of U.S. and Canada Studies in Moscow, who has known Rice for nearly two decades. Condoleeza Rice has been a member on the boards of directors for the Charles Schwab Corporation, the William and Flora Hewlett Foundation, the Chevron Corporation, the University of Notre Dame, the International Advisory Council of J.P. Morgan and the San Francisco Board of Governors. She also has invested time working on various political books, such as â€Å"Germany Unified and Europe Transformed,† â€Å"The Gorbachev Era,† and â€Å"Uncertain Allegiance: The Soviet Union and the Czechoslovak Army.†

Brandwashed, Martin Lindstrom (Zoom in- Zoom out)

â€Å"By uniting us against a common enemy, fear also brings humans together. It has a preserve yet delicious binding quality. It's for this reason that we love to spread fearful rumors, sometimes blowing them out of all proportion just to heighten the sense of danger.† (33. Brandwashed)Zoom In:In this passage, Martin Lindstrom denotes a method used by big corporations and advertising companies that literally scares people into buying things. Lindstrom explains that â€Å"uniting us against a common enemy, fear also brings humans together†, which is a stark statement, but definitely not an inconceivable one. This is such interesting prose, because when we humans feel afraid, the last thing we are thinking about is how united we are. We are thinking about what we can do to eradicate the danger, and how we can feel safe. In 2009, sales of the well known hand sanitizer Purell rose by 50%, which also happens to be the year that the H191 pandemic (better known as â€Å"swin e flu†) erupted.This statistic is fascinating because we can see how us humans were scared of something, in this case, getting the swine flu, but we managed to unite and buy 50% more hand sanitizer. This was our way of eradicating the danger, and feeling safe. The most enthralling part of this is that hand sanitizer does nothing to prevent the H1N1 virus, because it is spread through the air in the form of a cough or sneeze from a infected individual! You may be asking yourself â€Å"How and why did people choose to buy Purell to feel protected from H191?†. Well, Purell posted a statement on their website saying that â€Å"According to the Centers for Disease Control, one of the ways you can help protect yourself from Swine Flu is by practicing good hand hygiene. specifically using an alcohol-based sanitizer.†What they are trying to insinuate is that their product is the key to good hygiene — and that without it you will not be as healthy, and will be at r isk of getting the Swine Flu. The CDC did say that hand sanitizer is good for hand hygiene, but the CDC never said that hand hygiene protects against Swine flu, because that would be a scientifically proven lie. Simply put by Lindstrom, the company totally blew the CDC's statement â€Å"out of all proportion just to heighten the sense of danger†. This example is really captivating, because it sheds light on a situation that most people would  never question. It really shows how big corporations are using fear to provoke emotions, which lead us to buying thing in order to once again feel safe.Zoom Out:Does fear really sell? Everyone is afraid of something but regardless of what that is, there is no doubt that fear sells. Since few products actually solve a person’s fears but rather placate fear temporarily, brands that effectively evoke feelings related to fear can establish long-term relationships with consumers who think they won’t be safe unless they keep bu ying the brand. Anyone who pays for any kind of insurance is proof that fear sells for a long, long time. You choose to buy life insurance; because you are afraid of your family’s well being once you are gone.There are so many ways to portray messages of fear, and that’s why it’s used in so many diverse industries to sell both products and services. For example, the sunscreen industry shifted its messaging from helping people get the darkest possible tans, to helping people avoid getting skin cancer. By using a message that elicits feelings of fear in consumers’ minds, sunscreen brands turned what could have been a brand disaster into a brand opportunity. â€Å"Cutting your sun exposure is easier than cutting out a skin cancer†. This message persuades us to buy more sunscreen, by making us fear the consequences of skin cancer.Personal:Almost every person that I know has been persuaded to buy something by fear, or has at least seen a form of adverti sement in which fear is used as a medium. I can recall an anti-smoking ad that I once saw on the morning news. It depicted footage of a real life open-heart surgery, gore and all, because the victim had smoked cigarettes his entire life. The commercial was so vivid, so vial, so real that I felt the need to reach for the remote, and change the channel.I have seen many commercials like that one since, all getting up close and personal with lifelong smokers who have debilitating deformities, all reaching out to try to get people to quit. These commercials have persuaded viewers to never go near a cigarette, and have definitely taught me that the consequences of smoking certainly outweigh the pleasure of popping open a pack and lighting one up. These commercials use  fear as a medium, but aren’t trying to sell anything, besides the truth.

Diprotic Acid Definition

Definition: A diprotic acid is an acid that can donate two proton or hydrogen atom per molecule to an aqueous solution. Compare this to a monoprotic acid. Examples: Sulfuric acid (H2SO4) is a diprotic acid.