system unit


system unit

[′sis·təm ‚yü·nət] (computer science) An individual card, section of tape, or the like, which is manipulated during operation of the system; class 1 systems have one unit per document; class 2 systems have one unit per vocabulary term or concept. case

system unit

(hardware)The main body of a computer, consisting of aplastic or metal enclosure, the motherboard, and (typically)internal disk drives, a power supply, cooling fans, andwhatever circuit boards plugged into the mother board, such asa video card.

The system unit is occasionally referred to as the CPU,though this really means central processing unit.

system unit

The primary computer equipment. Housed in a desktop or floor-standing cabinet, it contains such components as the motherboard, CPU, RAM and ROM chips, hard and floppy disks and several input/output ports.