of the military and industry in the development of electronics‚ computers‚ and information theory. After the 1940s‚ the military remained the major source of research and development funding for the expansion of automation to replace manpower with machine power. Since the 1950s‚ four generations of computers have evolved. Each generation reflected a change to hardware of decreased size but increased capabilities to control computer operations. The first generation used vacuum tubes‚ the second used
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COMPUTER CONCEPTS A computer is a machine that processes data and performs tasks according to a set of instructions. To do anything‚ computer must be give specific directions to follow. They get these directions from software. Software‚ such as that used for word processing‚ is a set of step-by-step instruction for the computer‚ written by computer programmers in a programming language like BASIC‚ Pascal‚ or C. Computers also get instructions from you‚ the user. When you use the mouse (more
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Relationships of Changes in Price‚ Price Elasticity and Total Revenue 1. By definition‚ total revenue (TR) is obtained by multiplying quantity demanded of a product (Qx) by price (Px)‚ that is‚ TR = Qx Px. (1) In class‚ by taking the derivative of the above total revenue equation with respect to price (dTR/dPx)‚ we obtain the following general functional relation: dTR/dPx = Qx (1 + Ep) (2). In Equation (2)‚ Ep represents the price elasticity of demand. Since
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Classification of computers Created by: Valuta Iuliana Module: Information and Communication Technology Teacher: Peter Laszlo Created by: Valuta Iuliana Module: Information and Communication Technology Teacher: Peter Laszlo * Table of Contents 1 Types of computers 2 1.1 Microcomputers 3 1.2 Minicomputers 5 1.3 Mainframe computers 5 1.4 Supercomputer 5
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ASSEMBLY Definition of Terms Program - a set of instructions that tells the computer to perform a particular task. Programming – refers to the process of designing and creating computer programs. Programming Language - a software tool that facilitates the translation of human instructions to a form that computers can understand. Programmer - a person who can design‚ create‚ and maintain computer programs. Algorithm - a step by step solution of a problem. Levels of Programming
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Computer Literacy For over fifty years‚ beginning with the famous ENIAC‚ a revolution has been taking place in the United States and the world. The personal computer has changed the way many people think and live. With its amazing versatility‚ it has found its way into every area of life‚ and knowing how to operate it is a requirement for today’s world. Those who have not taken the time to learn about computers often do not even know what to do once one has been turned on‚ and this problem
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Few industries have changed so much in such a short time as the computer industry‚ and the pace of change shows no sign of slowing. The computer now has a role in almost every aspect of modern life‚ and it has radically affected the way people work‚ play‚ study and organize their lives. As we enter the 21st century‚ computers are influencing ways of teaching and learning‚ as access to computers in schools is becoming more widespread and varied. Their use enables the learner to develop at his or
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Computer Maintenance Guide Do you get days where you feel like tearing your hair out‚ because your Pc will not operate in the manner which it did when you first bought it. Believe me you are not alone‚ this happens to most of us‚ especially if your Pc is a few years old and you have not given it the maintenance it requires. Pcs need to be kept in good condition and from time to time they have to be given a good clean out. In this E-book‚ I shall give you the steps which you need to carry
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(An ISO 9001 Registered Company) ICIS Computers (I) Pvt. Ltd.‚ GS-2‚ Radha Palace‚ East of Dhantoli Park‚ Abhyankar Road‚ Dhantoli‚ Nagpur. Maharashtra State. Tele-Fax No: - 0712-2448528 (Hunting Lines) Alok Pagay ( Mobile - 9922903994 ) Shankar Bourashi (Mobile -9922915830) Arvind kalchuri (Mobile:-9371042331) Monthly Price list Price List for Month of December 2010 MODEL PIXMA IP 1300 PIXMA IP 2770 PIXMA IP 3680 PIXMA IP 4760 PIXMA IP 4870 IX4000 IX5000 IX 7000 IP 100 IX 100 with battery
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"Computer forensics is the specialized practice of investigating computer media for the purpose of discovering and analyzing available‚ deleted‚ or "hidden" information that may serve as useful evidence in a legal matter. " (Steen‚ Hassell 2004) Computer forensics has become a very important factor of criminal investigations. Since computers have become mainstream the need for a science that will deal with the technology has become an issue for the judicial and legal system. Some of the areas computer
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