A Rather Large Control Unit This is the CPU control unit of the ILIAC IV computer in the 1960s. Today, the equivalent circuitry fits on the head of a pin.

National 5 Computing Science Computer systems learning resources for adults, children, parents and teachers. ... (ALU, Control Unit and Registers). Environmental impact.

The control unit controls and monitors communications between the hardware close hardware The physical parts of a computer system, eg a graphics card, hard disk drive or CD drive. attached to the ...