13 Prof. Anatoly Sachenko Computer Hardware I. LECTURE OVERVIEW Foundation Concepts: Computer Hardware‚ reviews trends and developments in microcomputer‚ midrange‚ and mainframe computer systems; basic computer system concepts; and the major types of technologies used in peripheral devices for computer input‚ output‚ and storage. Computer Systems – Major types of computer systems are summarized in Figure 13.2. A computer is a system of information processing components that perform
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Introduction We are now facing the modern era of technology and this is the computer age. One of the greatest inventions of man for all time is the computer. Many of us cannot deny that they are relying or depends on computer. It is inevitable that others may become addicted to computer because of its amazing features and satisfy their gratification because it makes everything easy and possible. We all enjoy the benefits of the computer‚ and for many of us it is also an indispensable tool for work‚ education
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Laptop Computer vs. Desktop Computer A laptop is a computer which is designed to be portable. Usually this entails making sacrifices in terms of performance and utility. Laptops are intended for people who travel a lot and need a computer which can go with them. A desktop computer is meant to be stationary. This usually results in a lower price and better options for upgrading. Desktops are intended for permanent workstations and generally have more power and storage capacity than laptops.
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22/10/2007 11:28 Page 320 CASE EXAMPLE Lenovo computers: East meets West In May 2005‚ the world’s thirteenth largest personal computer company‚ Lenovo‚ took over the world’s third largest personal computer business‚ IBM’s PC division. Lenovo‚ at that time based wholly in China‚ was paying $1.75bn (A1.4bn‚ £1bn) to control a business that operated all over the world and had effectively invented the personal computer industry back in 1981. Michael Dell‚ the creator of the world’s
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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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presents the background of the study‚ problem and its significance‚ and the scope and limitation of the study. Background of the Study In this Information Age we are able to process or transmit‚ sort and retrieve data or information between one computer to another. With this‚ it makes the communication and different task done easy and less time consuming and hassle free. Like in schools‚ offices this brings a big help. In schools especially in colleges/universities it is consist of different people
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ELEMENTS OF COMPUTER SYSTEM Computer System Is a complete‚ working computer. The computer system includes not only the computer‚ but also any software and peripheral devices that are necessary to make the computer function. 1. Hardware 2.Software 3.Peopleware / Live ware HARDWARE It is best described as a device that is physically connected to your computer or something that can be physically touched. INPUT DEVICE –any device that allows the person to communicate information to the computer / gives
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Dell Computer Corporation Embry Riddle Aeronautical University October 6‚ 2012 Dell Computer Corporation The Dell Computer Corporation was founded in 1984 by Michael Dell from his dorm room at the University of Texas at the age of 19 with $1000. The original name of the company was PC’s Unlimited. The corporation was started with a simple premise as its basic foundation: so that personal computers could be built and sold directly to customers and by doing this‚ Dell could address their specific
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COMPUTER MODELS FOR BUSINESS DECISIONS LECTURE 01: MODELLING BASICS Jojo Lartey Department of Information Technology Methodist University College Ghana Dansoman 11 March‚ 2013 Jojo Lartey (MUCG) MUIT 404 Lecture-One March 2013 1 / 25 Overview 1 2 3 4 5 6 7 L ECTURE O BJECTIVES INTRODUCTION MODEL BUILDING METHODS MODEL CATEGORIES STAGES OF MODEL BUILDING MODEL BUILDING TECHNIQUES SUMMARY Jojo Lartey (MUCG) MUIT 404 Lecture-One March 2013 2 / 25 L ECTURE O
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University Computer Crimes Technology in a Global Society CS300 Table of Contents…………………………………………………….2 Introduction…………………………………………………………..3 (Research Discoveries) Origins of Computer crimes………………………………………….4 Internet fraud…………………............................................................5 Internet Cyber Crime………………………..…………………….…6 Personal Crimes……………………..…………………..…..6.2 Financial Crimes…………………….…………………..…..6.3 Computer hackers…….....
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