Computer Systems Individual Assignment Executive Summary This is an analysis study done for the “RAINBOW” digital color lab which is going to be opened soon in Colombo City. The main reason of this analysis is to identify and recommend Computer systems‚ software and peripheral components which will be needed for the employees of the lab for their daily work. Also policies were recommended for security and safety of the computers use‚ Data backup policy and the health and safety of the
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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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device for computers. A keyboard typically has characters engraved or printed on the keys and each press of a key typically corresponds to a single written symbol. However‚ to produce some symbols requires pressing and holding several keys simultaneously or in sequence. While most keyboard keys produce letters‚ numbers or signs (characters)‚ other keys or simultaneous key presses can produce actions or computer commands. Despite the development of alternative input devices‚ such as the mouse‚ touchscreen
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erUNIT 1 INTRODUCTION TO COMPUTERS Structure 1.1 1.2 1.3 Introduction Objectives Introduction to Computers Why Computer? Evolution of Computers 1.3.1 The First Computer 1.3.2 Some Well Known Early Computers 1.3.3 Computer Generations 1.4 1.5 1.6 1.7 1.8 1.9 Components of a Computer Hardware vs Software System vs Applications Software Bits and Bytes Input and Output Devices RAM/ROM 1.10 Secondary Storage Devices 1.11 Summary 1.12 Answers to SAQs 1.1 INTRODUCTION This unit aims
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Overview of the Computer System This lesson includes the following sections: • The Parts of a Computer System • Looking Inside the Machine • Software: Bringing the Machine to Life The Parts of a Computer System • What is a Computer? • Hardware • Software • Data • Users The Parts of a Computer System - What is a Computer? • A computer is an electronic
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Computer Concepts – Illustrated 8th edition Objectives * Define computers *Explore how computers work *Categorize computers *Examine personal computers *Introduce software *Introduce the Internet and the Web *Understand email basics Defining Computers Computer * An electronic device that: * Accepts input * Processes data * Stores data * Produces output * Uses instructions in stored programs Personal computer (PC) Computer system
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Classifications of Computers According to the U.S. Census "Forty-four million households‚ or 42 percent‚ had at least one member who used the Internet at home in 2000" (Home Computers 2). Today‚ no doubt‚ even more family members in the United States use computers. Most people are aware of the desktop computers which can be found in the home and in the workplace. What are the different types of computers and what are their purposes? Computers can be classified into three different categories
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ksheetIntroduction to computers Directions: Fill in the blank. 1. Microcomputers‚ different from those giant mainframes and supercomputers‚ are designed for individuals. In fact‚ the microcomputer is often called the PC 2. DESKTOP and LAPTOP computers are the most commonly seen microcomputers. 3. Just like human beings‚ computers communicate through receiving and sending messages. We refer to those message receiving components as INPUT devices and those which send messages as OUTPUT
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Motherboard 2. Cooling (Air and liquid) 3. Case 4. Peripherals (DVD‚ monitors‚ mouse‚ keyboard‚ speakers) 5. Power supply HIGHER SPECS GPU - Graphic processing unit Also called as a VPU or a visual processing unit‚ is a specialised electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in frame buffer intended for output to a display. GPUs are very efficient at manipulating computer graphics‚ and their highly parallel structure makes them more effective
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TASKBAR In the graphical user interface (GUI) for a computer operating system or application‚ a taskbar is a visual device on the desktop that typically shows the user which applications (tasks) are currently active and running. Combined window management and program launching As noted above‚ the Windows 7 taskbar combines two previously separate bits of functionality: Open window management and program launching/file opening. Prior to Windows 7‚ the taskbar was generally used only to manage open
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