| 术语 | memory bus |
| 释义 | memory bus 存储器总线;［记忆器汇流排］ 1. A circuit in coordinate-addressable storage on which bits move to and from their storage cells during access. 可按坐标寻址存储器中的一种电路,存取时,二 进制位通过这一电路送入或送出存储单元。 2. The CPU communicates with memory andI/O devices over a memory bus. In different computers, this bus has various names, including I/O bus, data bus, or one of a host of proprietary names. The memory bus actually consists of three buses: one for memory addresses, another for data to the CPU, and the third for CPU data to the memory. Typically, these three time-share a single bus. The memory-address register which defines the address for data transfer drives the address bus. CPU与存储器及输入输出设备在 其上交换信息的一种总线。在不同的计算机中,这个总线有不同的名字,如I输入输出总线、 数据总线或一个专有的名字。存储器总线实际上包括三套总线: 一套是存储器地址总线,第 二套是去CPU的数据总线,第三套是CPU数据到存储器的总线。一般这三套总线分时共用一套总线。由决定数据传送地址的存储 器地址寄存器来驱动地址总线。 |
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