What is Computer System ?

A computer system is defined as combination of components designed to process data and store files. A computer system is consists of four major hardware components : input devices , output devices , processor and storage devices. 

A computer system requires hardware , software and a user to fully function .                       Software  refers to set of instructions that tell the hardware what to do. Software can also have various other functions such as performing computation , communication with other software and human interaction. 

User refers to a person who uses the computer for any purposes such as work , business and entertainment .