| 释义 |
microinstruction Computers.|ˈmaɪkrəʊɪnˌstrʌkʃən|
[f. micro- 1 + instruction.]
One of a sequence of instructions produced by a computer in response to some more comprehensive instruction; spec. one that corresponds to one of the smallest, most elementary operations that can occur in the computer and is produced in accordance with a microprogram.
1959E. M. Grabbe et al. Handbk. Automation, Computation, & Control II. ii. 254 Many macroinstructions can be constructed from properly sequenced microinstructions. 1964T. W. McRae Impact of Computers on Accounting i. 24 This problem has been solved by programmers devising..autocodes so that a single macroinstruction written down by the programmer generates the required set of microinstructions during translation by the computer from the autocode to the absolute machine code. 1969P. B. Jordain Condensed Computer Encycl. 318 Each micro⁓instruction is coded as several bits, one bit for each functional unit or data path in the computer hardware. The one-for-one correspondence between bit positions and functional units allows for very simple interpretation of each microinstruction. |