Slide 1

COMPUTER PROCESSING CYCLE

ICT Assignment by Rehan Mustafa

BLACK BOX THEORY: Computer processing is based on a theory called the Black Box Theory. This theory consists of the following steps:

Input is given to the machine.

Processing is carried out in the machine and we do not know what is going on inside the machine.

The out put is displayed to the user and is stored in the storage device.

Input

Processing

Storage

Output