Please help me in these following questions: 1/ A data hazard is when a __________ . a. previous instruction must complete its read or write b. required resource is busy c. branch depends on a previous result d. cache miss occurs
Please help me in these following questions:
1/ A data hazard is when a __________ .
a. previous instruction must complete its read or write
b. required resource is busy
c. branch depends on a previous result
d. cache miss occurs
2/ The single-cycle datapath conceptually described in class must have separate instructions and data memories, because
a. the formats of data and instructions are different, and hence different memories are needed
b. having separate memories is less expensive
c. the processor operates in one cycle and can not use a (single ported) memory for two different accesses within that cycle
d. None of the above
3/ The ALU does not calculate which of the following statements?
a. A selection of which register to read or write from
b. An arithmetic result
c. A memory address for load/store
d. A branch target address
4/ In the CPU datapath multiple signals need to be combined to an output using a __________ .
a. register
b.multiplexer
c. AND gate
d. program counter
5/ Mapping caches to memory cannot be done using __________ .
a. multiple mapping
b. direct mapping
c. set associative
d. fully associative
Thank you!
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