【单选题】 A control unit with five wires can define up to ( )operations.
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【单选题】 A word is( )bits.
A. 8
B. 16
C. 32
D. any of the above
【单选题】 If the memory address space is 16 MB and the word size is 8 bits, then ( )bits are needed to access each word.
A. 8
B. 16
C. 24
D. 32
【单选题】 There are ( )bytes in 16 terabytes.
A. 216
B. 240
C. 244
D. 256
【单选题】 CPU registers should have( )speed memory.
A. high
B. medium
C. low
D. any of the above