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发表于 2019-3-18 21:20:55
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The CPU controls the computer.It fetches instructions from memory,supplying the address and control signals needed
by memory to aceess its data.
处理器控制电脑。 它从存储器中调取指令,支持地址和控制信号需要存储器去访问它的资料。
The CPU decodes the instruction and controls the execution procedure.
CPU解码指令并且控制程序的执行。
It performs some operations internally,and supplies the address,data,and control signals needed by memory and I/O
devices to execute the instruction.
它在内部完成一些操作,支持地址,资料和控制信号需要存储器和I/O设备去执行指令。
Nothing happens in the computer unless the CPU causes it to happen.
如果没有CPU,电脑不会做任何事情。 |
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