All computer systems perform the following 5 basic operations
Input
The process of entering the data and instruction into computer System. It involves three steps – accepting the list of instruction from user in their format. Then converting these instructions in computer acceptable form. Supplying the instructions to computer system for processing.
Process
It is the actual processing in the CPU that takes place on the data, as per the given instructions.
Output
The process of output of the data from the computer system. It accepts the results produced by computer, which are in coded form. It converts the coded form to human acceptable form. It supplies the converted results to user.
Block Diagram of a Computer
