| 释义 |
guard bit 保护位;[保护数元] 1. A special bit contained in each word or specific groups of words of memory designed to indicate to computer hardware units or software programs whether or not the content of that memory location may or may not be altered by a program. 内存中每个字或者特定字组中所包含的一种特殊的二进制位。这样设计的目的是向计算 机硬件部件或软件程序指明这部分内存中的内容是否能为某个程序所改变。 2. A bit designed to indicate whether a core or disk memory word or group of words is to be filedprotected. 设计来用以指明对主存或磁盘中的字或字组是否进行字段保护的一种二进制位。 |