Computer Hardware

By Khalid Ismail

Hard Drive

a disk driveused to rad and write hard disks
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Optical Drive

a disk drive that uses laser light or electromagnetic waves
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A control program within the operating system that managesthe allocation of system resources to active programs
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Input/Output devices

A periphearal used to transfer data from the outside world into a computer system
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Touch Screens

An Input device that allows user to interact with computer by touching the display screen
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