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Related to input/output: I/O
input/output
[′in‚pu̇t ′au̇t‚pu̇t](computer science)
Pertaining to all equipment and activity that transfers information into or out of a computer. Abbreviated I/O.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
input/output
(programming, operating system)(I/O) Communication between a computer and its users, its storage devices, other computers (via a network) or the outside world. The devices the computer uses to do this are called "peripherals". What actually counts as I/O depends on what level of detail you are considering, e.g. communication between processors would not be considered I/O when considering a multiprocessor as a single system.
Important aspects of I/O are throughput, latency, and whether the communications is synchronous or asynchronous (using some kind of buffer).
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)