| 术语 | status bit |
| 释义 | status bit 状态位;［状态数元］ The bits used in informationprocessing systems to store information about the conditions of a device. Frequently, program words can be saved if it is possible to set certain bits based on a condition of the network and, then, test these bits at subsequent instruction times. Microprograms can frequently be shortened by the use of status bits. Branches in the microprogram frequently can be made a number of instruction cycles after the status bits are set. This eliminates premature branching and the unnecessary duplication of microinstructions. 用在信息处理系统中存放设备状态信息的若干比特(位),假如能按网络的条件设置某些位,然后在下条指令测试这些位,则常常可以节省程序语句。微程序 常由于使用状态位而缩短。微程序的转移指令常安排在置状态位后的若干指令周期处,从而消除了过早转移和微指令不必要的重复。 |
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