Performance of Caches MCQ’s

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This set of Computer Architecture Multiple Choice Questions & Answers (MCQs) focuses on “Performance of Caches”.

1. The main objective of the computer system is ________
a) To provide optimal power operation
b) To provide the best performance at low cost
c) To provide speedy operation at low power consumption
d) All of the mentioned

2. A common measure of performance is ________
a) Price/performance ratio
b) Performance/price ratio
c) Operation/price ratio
d) None of the mentioned

3. The key factor/s in commercial success of a computer is/are ________
a) Performance
b) Cost
c) Speed
d) Both Performance and Cost

4. The performance depends on ________
a) The speed of execution only
b) The speed of fetch and execution
c) The speed of fetch only
d) The hardware of the system only

5. The memory transfers between two variable speed devices are always done at the speed of the faster device.
a) True
b) False

6. The performance of the system is greatly influenced by increasing the level 1 cache.
a) True
b) False

7. The main purpose of having memory hierarchy is to ________
a) Reduce access time
b) Provide large capacity
c) Reduce propagation time
d) Reduce access time & Provide large capacity

8. An effective to introduce parallelism in memory access is by _______
a) Memory interleaving
b) TLB
c) Pages
d) Frames

9. Two processors A and B have clock frequencies of 700 Mhz and 900 Mhz respectively. Suppose A can execute an instruction with an average of 3 steps and B can execute with an average of 5 steps. For the execution of the same instruction which processor is faster.
a) A
b) B
c) Both take the same time
d) Insufficient information

10. If the instruction Add R1, R2, R3 is executed in a system which is pipelined, then the value of S is (Where S is a term of the Basic performance equation).
a) 3
b) ~2
c) ~1
d) 6

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