CPU 有 24 位指令。程序从地址 300(十进制)开始。以下哪一项是合法的程序计数器(所有值均为十进制)?
(一) 400
(乙) 500
(C) 600
(四) 700答案: (C)
解释:
Here, size of instruction = 24/8 = 3 bytes.
Program Counter can shift 3 bytes at a time to jump to next instruction.
So the given options must be divisible by 3. only 600 is satisfied.
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