The term computer is derived from the word compute , which means counting . That is , each process is implemented by a computer process mathematical calculation. So , everything is done by computer , both are displayed on the monitor screen , sound , images , and other processed of such calculations electronically .
The computer serves as a tool for writing , drawing , editing images or photos , create animations , operate programs scientific analysis , simulation , and to control equipment . Initially , the computerequipment is expensive and large. Finally , came the a smaller computer and is designed for use by oneuser with the ability to operate a variety of programs . computer Such so-called Personal Computer or PC for short .
Lately it has also created a mobile PC that is often known as
notebook or laptop . This computer is easy to carry and move ( mobile ) .