Brief history of computers
Development of computers
Characteristics of computer
Generations of computer
Functions of computer.
Main parts of computer
Types of computers
They are used for the reservation of tickets for
railways and airlines, paying telephone and electricity
The term computer is derived from the word compute which means to calculate. A computer is an electronic device that takes input (data) from the user and performs the series of actions under the control of set of instructions called program, produce output and stores the result for future use.
Computer performs both simple and complex operations with high speed and accuracy.