在複習記憶體空間時,看到以下這句話 If the memory address space is 16 MB and the word size is 8 bits, then 24 bits are needed to access each word 不太懂其意義 此題依照我的理解是2 ^ 24 = 16MB, 每一個word是8bits(2^3),所以應該是有2^21個word 所以應該是21 bits to access each word 或是我搞錯access each word的意思? 感謝