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发帖数: 2012 | 2 1
The memory (Big Endian) contains data as mapped below:
Address Byte0 Byte1 Byte2 Byte3
0 00 00 FF FF
4 55 AA AA 55
Register $s0 equals to 0 initially.
(1)After the instruction: lb $s1, 0($s0) execution, the content of $s1
becomes:
(2)After the instruction: lbu $s1, 0($s0) execution, the content of $s1
becomes:
2
What’s the 2’s complement of 0xffff0001 :
A. 0x7fff ffff
B. 0xffff 7fff
C. 0x0000 ffff
D. 0xffff 0000
E. None above
3
What’s the 2’s complem... 阅读全帖 |
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