peripheral control unit
Also found in: Acronyms.
peripheral control unit[pə′rif·ə·rəl kən′trōl ‚yü·nət]
A device which connects a unit of peripheral equipment with the central processing unit of a computer and which interprets and responds to instructions from the central processing unit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.