CONTROL UNIT

This unit controls the operations of all parts of the computer but does not carry out any actual data processing operations.

Functions of this unit are −

·        It is responsible for controlling the transfer of data and instructions among other units of a computer.

·        It manages and coordinates all the units of the computer.

·        It obtains the instructions from the memory, interprets them, and directs the operation of the computer.

·        It communicates with Input/output devices for transfer of data or results from storage.

·        It does not process or store data.