A computer is one of the most brilliant inventions of mankind. Thanks to computer technology‚ we were able to achieve storage and processing of huge amounts of data; we could rest our brains by employing computer memory capacities for storage of information. Owing to computers‚ we have been able speed up daily work‚ carry out critical transactions and achieve accuracy and precision at work. Computers of the earlier times were of the size of a large room and were required to consume huge amounts of
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SYLLABUS Cambridge International AS and A Level Computing 9691 For examination in June and November 2014 University of Cambridge International Examinations retains the copyright on all its publications. Registered Centres are permitted to copy material from this booklet for their own internal use. However‚ we cannot give permission to Centres to photocopy any material that is acknowledged to a third party even for internal use within a Centre. © University of Cambridge International Examinations
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Parts of the Computer & Their Functions Computers are assembled from several key components that make the computer functional‚ called hardware. While most computer users are primarily familiar with the monitor‚ keyboard‚ mouse‚ and other peripherals‚ the most important physical parts of a computer exist inside the case. CPU * The central processing unit processes all of the data that is accessed by the machine. In PCs the CPU‚ or microprocessor‚ is a small silicon chip located beneath the
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differently and act differently—for better and for worse. In the 1990’s the personal computer became more popular‚ changing American politics and culture forever and sending us into new eras of technology. This is why I believe the computer revolution made the most profound impact on American culture and politics. In the 1990’s‚ computers began a revolution in the workforce. Businesses relied on the computers for things like word processing‚ accounting and record keeping. They changed the way
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Computer development is often referred to the different generations of computing devices. With each generation which includes the first to the fifth‚ significant changes have occurred resulting in lighter‚ cheaper‚ powerful‚ more efficient and convenient devices. This change in computing devices has caused businesses to rethink and revamp the ways they operate to meet consumer demands‚ reduce cost and compete efficiently. This paper will also examine computer- based information system and the impact
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GATE CS - 2003 Q.1 – Q.30 carry one mark each. 1. Consider the following C function. float f‚(float x‚ int y) { float p‚ s; int i; for (s=1‚p=1‚i=1; i⋅ m ⋅ ⋅ (B) (C) ‚ ‚>an a a12 ∠ a a1‚2‚>an ⌠ 〉 (r1 r2 … rm) ∠ ‚ ‚>an a a12 ( ⌠ 〉 r1∗ r2∗>∗ rm) ( ⌠ 〉 r1) r2)>) rm) (D) ∠ ‚ ‚>an a a12 Q. 31-90 carry two marks each. 31. Let (S‚ δ) be a partial order with two minimalelements a and b‚ and a maximum element c. Let P: S ‰ {True‚ False} be a predicate defined
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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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’s world nothing can be done without a computer‚ but upon a closer look‚ you will find that it is the hardware components and input and output devices that make a computer useful. What is it that determines the speed at which a computer can find a file? How do you get a report from your PC to the members of your next Board meeting? It is the hardware that is used with your computer that allows you to accomplish all of your business needs using your computer. Data input is the collection of raw
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A brief description of the industry: The Computer And Peripherals Industry is composed of a diverse group of companies. It produces a wide range of products for sale to just about all businesses and consumers. The industry tends to lead the economic cycle‚ and is very competitive. This industry markets a wide range of products and services‚ many of which are tied to mainframe and server computers‚ personal computers‚ and storage devices. A number of offerings include gear to connect this hardware
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Types of computers Firstly‚ what is a computer? Well‚ a modern computer is typically an electronic or digital device that manipulates data. Computers can execute a pre-recorded list of instructions know as a “programme”. Large amounts of data can be stored on computers and be quickly accessed‚ edited and stored. When it comes to computers there are several different types: * High Performance System (HPS) * Workstations * Personal Computer * Laptop / Notebook * Palmtop These
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