In a distributed-queue dual-bus (DQDB) network, a protocol data unit (PDU) that (a) consists of 53 octets used to transfer segments of user information, (b) has the capacity to contain a segment of 52 octets and a 1-octet access control field, and (c) may be either a pre-arbitrated (PA) slot or a queued arbitrated (QA) slot.

A radiating element formed by a slot in a conducting surface or in the wall of a waveguide.

In networks using carrier sense multiple access with collision detection (CSMA/CD), the length of time that a transmitting station waits before attempting to retransmit following a collision.
Note: Slot time varies from station to station.

A ring network that allows unidirectional data transmission between data stations by transferring data in predefined slots in the transmission stream over one transmission medium such that the data return to the originating station.

Service Location Protocol

Service Management & Operations

A computer form factor designed to minimize the volume and footprint of a desktop computer.

Abbreviation for smart robot. See bot.

A digitally encoded card, similar to a credit card, usually containing a variety of information about the individual(s) authorized to use it.
Note: The information can be accessed by a card reader into which the card is inserted. The information may include access codes (for opening doors), account numbers (merchant account numbers as well as banking account numbers), and electronic… (Read More →)

Synonym [loosely] continuity check transponder.