按内存按字节编址,求该段内存区域容量
2014-10-17 00:00:00 by 【6yang】,
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某计算机内存空间按字节编址,若某区域的起始地址为4A000H, 终止地址为4DFFFH, 则该段内存区域的容量为:
A. 2^4KB B. 2^14KB C. 1MB D. 2MB
答:
4DFFFH - 4A000H = 3FFFH + 1 = 4000H = 100 0000 0000 (2B)= 2^2 * 16^3 = 2^14B = 16KB
1kB=2^10 .
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