| 单词 | bus master | 
| 释义 | > as lemmasbus master   bus master  n. Computing a part of a system that controls or is capable of taking control of the bus ( 2b), initiating data transfers with memory or peripherals.In simple systems the central processor is the only bus master. ΚΠ 1975    IEEE Trans. Nucl. Sci. 22 504/2  				If no card of higher priority is requesting use of the bus and if the bus is not busy..the  bus request allows card A to become bus master. 1989    PC World Oct. 67/2  				This device is a true bus master, which means,..that it can send bursts of data..through the Micro Channel to memory without involving the CPU. 2012    L. Null  & J. Lobur Ess. Computer Organization & Archit. 		(ed. 3)	 iv. 201  				In a very simple system..the processor is the only device allowed to become a bus master. < as lemmas | 
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