System Unit

The system unit the core of a computer is responsible for processing and storing data and controls all computer functions.

The system unit contains such components as the motherboard, central processing unit (CPU),random-access memory (RAM) read-only memory (ROM) chips, hard and floppy disks, and several input/output ports. It also communicates with all of computer's parts. In the system unit, ram data is processed into information.

The system unit works with the computer's peripheral devices. A peripheral device is equipment connected to the computer for the purpose of inputting of receiving data from the computer.There are two types of peripheral devices,output and input.