In data communications, a request for a response from another terminal; it is used to obtain identification and/or an indication of the other station's status.

Used as a request for response to obtain identification and/or an indication of status. In binary synchronous (BSC) transmission, ENQ is transmitted as part of an initialization sequence (line bit) in point-to-point operation, and as the final character of a selection or polling sequence in multipoint operation. See also: binary synchronous communications.

Enqueue. A facility by which applications can serialize their use of a given real or symbolic resource.

See Enqueue.

Enquiry