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Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
Overview of computer
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Overview of computer

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  • 1. Overview of the Computer System<br />Prepared by Masniza Mustafa<br />
  • 2. Overview of the Computer System<br />WHAT IS A COMPUTER?<br />The computer system processes data into information through four operations; input, process, storage and output.<br />OUTPUT<br />PROCESS<br />INPUT<br />STORAGE<br />The user enters the data by using an input device. In the processing operation, data is manipulated to process or transform it into information The storage holds data, information and programs. The output devices present the processed data as usefulinformation products to the user<br />
  • 3. Overview of the Computer System<br />monitor<br />System unit<br />System<br /> unit<br />V<br />speaker<br />V<br />keyboard<br />mouse<br />V<br />
  • 4. Overview of the Computer System<br />MONITOR<br />A monitor is a computer display that is like a TV monitor. A computer monitor image is made up<br />of pixels (dots).<br />
  • 5. Overview of the Computer System<br />KEYBOARD<br />The keyboard is the main input device for text and commands.<br />
  • 6. Overview of the Computer System<br />KEYBOARD<br />Keyboards come with three (3) different types of port such as:<br />• Serial port<br />• PS/2 port<br />• USB port.<br />
  • 7. Overview of the Computer System<br />SPEAKERS<br />Speakers give out information in the form of sound.<br />
  • 8. Overview of the Computer System<br />MOUSE<br />A mouse is an input device used to controls the movement of the cursor or pointer on a display<br />screen. It has right click, left click and double click to function<br />
  • 9. Overview of the Computer System<br />SYSTEM UNIT<br />It is the main body of a desktop computerconsisting of a metal or fibre enclosure containing the motherboard, power supply, cooling fans,<br />internal disk drives, memory modules and expansion cards<br />that are plugged into the motherboard.<br />
  • 10. Overview of the Computer System<br />PRINTER<br />A printer is a device that produces a hard copy (permanent human readable text or graphics) ofdocuments stored in electronic form that prints texts or illustrations on paper.<br />
  • 11. Overview of the Computer System<br />PRINTER<br />There are many types of computer printers.<br />Dot-Matrix printer<br />Ink-Jet printer<br />Laser printer<br />
  • 12. EXERCISE<br />Label the pictures below<br /> 11 2<br />4<br />3<br />5<br />6<br />7<br />
  • 13. EXERCISE<br />Look at the pictures given in Column A. Then, name the components of the<br />computer and state their functions.<br />

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