input/output control unit


Also found in: Acronyms.

input/output control unit

[′in‚pu̇t ′au̇t‚pu̇t kən′trōl ‚yü·nət]
(computer science)
The piece of hardware which controls the operation of one or more of a type of devices such as tape drives or disk drives; this unit is frequently an integral part of the input/output device itself.
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