| 单词 | input/output switching | 
| 释义 | input/output switching [`in´pu̇t `au̇t´pu̇t ´swich·iŋ]  COMPUTER SCIENCE A technique in which a number of channels can connect input and output devices to a central processing unit; each device may be assigned to any available channel, so that several different channels may service a particular device during the execution of a program.  | 
	
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