channel command word

(redirected from Channel I/O)
Also found in: Wikipedia.

channel command word

[′chan·əl kə′mand ‚wərd]
(computer science)
A code specifying an operation, one or more flags, a count, and a storage location. Abbreviated CCW.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.