SYSTEM CONCEPT (Lesson 27)

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. A computer system requires hardware, software and a user to fully function.

COMPUTER HARDWARE
Computer hardware consists of: input devices, processor, output devices, storage devices

Input Devices :
Keyboard , Light Pen , Joystick, Microphone, Mouse, Video, Digital camera.

Processor
The CPU is an example of a processor. It has the same important as the brain to human being.

Output Devices :
Printer, Plotter, Speaker, Monitor

Storage Devices
Storage usually means secondary storage. It consists secondary storage devices such as hardisk, Floppy Disk, diskette, CD ROM and DVD ROM.

COMPUTER SOFTWARE
There a 2 types of computer software, system software and application software. System software is any computer software that helps to run computer system. System software controls, integrate and manages the individual component of a computer system.