单项选择题
What is the decimal value of the following 32-bit two's complement number1111 1111 1111 1111 1111 1111 1100
A.-8
B.-4
C.4
D.8
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单项选择题
A cache has 64 blocks; each block is 16 bytes. Which block does byte 1200 map to
A.25
B.60
C.75
D.100
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单项选择题
软件开发中常采用的结构化生命周期方法,由于其特征而一般称其为
A.瀑布模型
B.对象模型
C.螺旋模型
D.层次模型
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