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Computer System

Computer System. Table of contents. Introduction Hardware Software Live ware Firmware. Introduction. computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format.

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Computer System

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  1. Computer System

  2. Table of contents • Introduction • Hardware • Software • Live ware • Firmware

  3. Introduction computer is a programmable machine that receives input, stores and manipulates data, and provides output in a useful format. While a computer can, in theory, be made out of almost anything (see misconceptions section), and mechanical examples of computers have existed through much of recorded human history, the first electronic computers were developed in the mid-20th century (1940–1945). Originally, they were the size of a large room, consuming as much power as several hundred modern personal computers (PCs). <Previous - Next> Back to Main

  4. Hardware • The hardware are the parts of the computer itself including the Central Processing Unit (CPU) and related microchips and micro-circuitry, keyboards, monitors, case and drives (hard, CD, DVD, floppy, optical, tape, etc...). Other extra parts called peripheral components or devices include mouse, printers, modems, scanners, digital cameras and cards (sound, colour, video) etc... Together they are often referred to as a personal computer. <Previous - Next> Back to Main

  5. Software • Computer software, or just software, is the collection of computer programs and related data that provide the instructions telling a computer what to do. We can also say software refers to one or more computer programs and data held in the storage of the computer for some purposes. <Previous - Next> Back to Main

  6. Live ware Aterm used to denote people using (attached to) computers, and is based on the need for a human, or liveware, to operate the system using hardware and software. Other words meaning the same or similar to liveware include wetware, meatware and jellyware. Meatware and jellyware are most often used by internal customer support personnel as slang terms when referencing human operating errors. <Previous - Next> Back to Main

  7. Firmware In electronics and computing, firmware is a term often used to denote the fixed, usually rather small, programs and/or data structures that internally control various electronic devices. Typical examples of devices containing firmware range from end-user products such as remote controls or calculators, through computer parts and devices like hard disks, keyboards, TFT screens or memory cards, all the way to scientific instrumentation and industrial robotics. <Previous Back to Main

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