A branch instruction performed by CPU is to update ____.
A. MBR to contain the instruction
B. Program counter to contain the
C. MAR to contain the address of current instruction
D. IR to contain the instruction that just fetched from memory
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__________ has the advantage of flexibility, but the disadvantage of complexity.
A. Stack addressing
B. Displacement addressing
C. Direct addressing
D. Register addressing
Cache’s _______polity means write operation to main memory as well as to cache.
A. write back
B. LRU
C. write through
D. unified cache
A branch instruction in which the branch is always taken is _________.
A. conditional branch
B. unconditional branch
C. BRO
D. BRZ
The registers in the CPU is divided _____registers and ________registers .
A. general purpose, user-visible
B. user-visible, control and status
C. data , address
D. general purpose, control and status
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