Computer Hardware
By Khalid Ismail
Hard Drive
a disk driveused to rad and write hard disks
Optical Drive
a disk drive that uses laser light or electromagnetic waves
Mointer
A control program within the operating system that managesthe allocation of system resources to active programs
Input/Output devices
A periphearal used to transfer data from the outside world into a computer system
Touch Screens
An Input device that allows user to interact with computer by touching the display screen