Computer System

• defined as combination of components designed to process data and store files.
• consists of four major hardware
• input devices
• output devices
• processor
• storage devices
• requires
• hardware
• software
• users

Computer Software

• Two types of computer software:-
• system software 
• any computer software that helps to run computer system
• controls, integrate and manages the individual component of a computer system
• application software
• example of :-
• system software
• BIOS program
• Operating Systems
• utility programs
• programming languages
• application software
• word processing
• spreadsheets
• databases
• accounting
• games
• internet browser
• desktop publishing

Computer Hardware

• input devices
• feed data or commands in a form that the computer can use
• exp:- keyboard, light pen, joystick, microphone, mouse, video & digital camera
• processor
• has the same important as the brain to human being
• exp:- CPU
• output devices
• shows the process data or information
• information can understood and use by computer users
• exp:- printer, plotter, speaker
• storage devices
• secondary storage
• consists:- hard disk. Floppy Disk, diskette, CD ROM & DVD ROM