read/write check indicator

read/write check indicator

[′rēd ′rīt ′chek ‚in·də‚kād·ər]
(computer science)
A device incorporated in certain computers to indicate upon interrogation whether or not an error was made in reading or writing; the machine can be made to stop, retry the operation, or follow a special subroutine, depending upon the result of the interrogation.