Computer Information Systems Summary Once upon a time‚ way back when in the caveman era‚ caveman used drawings on walls to keep track of information and to communicate with each other in the clan of one ’s life-span. Over time‚ man have improved and evolved in the way of keeping track of information and communicating with one another. Today‚ one finds himself more in an automated world than he did 25 years ago. When planning to purchase a computer‚ one must take in consideration all possibilities
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It can refer to all computer instructions in general or to any specific set of computer instructions. It is inclusive of both machine instructions and source code (more human-understandable instructions that must be rendered into machine code by compilers or interpreters before being executed). On most computer platforms‚ software can be grouped into a few broad categories: software is the basic software needed for a computer to operate. software refers to one or more computer programs and data
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serial device. Power supply: A power supply is the power of the computer for example you need this to power up all of the components this is the main component you need to power everything up. Ports: Ports are connections on the outside of the computer base they are used to connect different types of input and output devices for example a keyboard‚ mouse‚ speakers and a computer screen. FAN: A fan is what is attached to the computer and it used to keep all off the components from overheating. Heat
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Evolution of Computer A.P.Mohana priyaa Abacus Chinese invented calculating device called ABACUS Ø Also known as “SOROBAN” perform addition and Ø subtraction Wooden rack holding two horizontal wires with beads Ø strung on them. Rules memorized by the user Ø Regular arithmetic problems can be done Ø NAPIER’S DEVICE John Napier a Scottish Mathematician Ø Set of eleven animal bones later it was replaced by Ø rod Number marked on them‚they placed
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OF A PERSONAL COMPUTER Can you imagine a world without computers? Computers have changed everyday life in infinite ways that we would have never imagined 50 years ago. Long ago‚ computers were primarily used to compute numbers and to do word processing. As times have changed‚ computers have also evolved to help us with our everyday tasks. Nowadays we even use our computers for personal enjoyment by using them for games and finding information on the Internet. One way computers play a vital
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Lai EN 110 AI Mr. Schuh 10/15/14 Computer Computer is the most amazing gift of science. Almost everyone have one or more computer. This device was developed by Charles Babbage. Computer is a part of our life today. Computer can be used on many thing like school‚ business‚ government and etc... we can see computer anywhere we go around the world. Computer is so amazing with many functions. Four basic function if computer are input‚ processing‚ output and storage. Input collectively refers to all
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History of Computer Introduction Man’s progress is measured by sophistication of his tools. First‚ he discovered how to control fire. Eventually‚ he invented the wheel. He built boats and earned to harness the wind. As soon as commerce developed in the early societies‚ people recognized the need to calculate and keep track of information. They soon devised simple computing devices and bookkeeping systems to enable them to add‚ subtract‚ and simple record transactions. Today‚ we are witnessing
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Technical Description of a computer Computers are basically all around us now and they have become part of our daily living. Not only can it perform calculations much more quickly than a person can‚ it can also do many complex tasks simultaneously. Thanks to the computers‚ they help us make the complicated jobs much easier‚ help us to do tasks quicker and communicate with friends and family with one click‚ and play a significant role in the school system as well. The computer has significantly changed
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1.0 INTRODUCTION Computers have changed the way people work in any profession. They play a vital role in any field and aid industrial processes‚ medical industry‚ farming‚ mining‚ banking infect in all industries. This clearly shows how important computers are in this modern world‚ hence their existence in the education sector is very essential. Of importance society has become more computer literate over the past few decades‚ and as technology has been advancing‚ society’s reliance on computing
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2 Fundamentals of Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic
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