在复习内存空间时,看到以下这句话 If the memory address space is 16 MB and the word size is 8 bits, then 24 bits are needed to access each word 不太懂其意义 此题依照我的理解是2 ^ 24 = 16MB, 每一个word是8bits(2^3),所以应该是有2^21个word 所以应该是21 bits to access each word 或是我搞错access each word的意思? 感谢