microinstruction

[mahy-kroh-in-struhk-shuh n]

noun Computers.

an instruction that defines part of a machine-language instruction in terms of simpler operations.

Origin of microinstruction

First recorded in 1955–60; micro- + instruction

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British Dictionary definitions for microinstruction

microinstruction

noun

computing an instruction produced within an arithmetic and logic unit in accordance with a microprogram, that activates a particular circuit to perform part of the operation specified by a machine instruction

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for microinstruction

1959, from micro- + instruction.