COMPUTER SYSTEM

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

input devices

• when data is entered into the computer system, it is called an input. 
• input comes in various forms ; texts, graphics, audio and video. input devices are needed to input data into the computer system.
• exp: keyboard, mouse, scanner, barcode reader and digital camera.

output devices

• output is the result of raw input data that has been processed by the central processing unit into meaningful information.
• in a form of texts, number, graphics, sounds, animations and videos.
• exp; monitor, speaker, and printer.

storage devices

• secondary storage
• consists:- hard disk. Floppy Disk, diskette, CD ROM & DVD ROM

processor

• has the same important as the brain to human being
• exp:- CPU/ SISTEM UNIT (SU)