| 91. | Let A = 1111 1010 and B = 0000 1010 be two 8-bit 2's complement numbers. Their product in 2's complement is |
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Answer: (a).1100 0100
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| 92. | A 4-stage pipeline has the stage delays as 150, 120, 160 and 140 nanoseconds respectively. Registers that are used between the stages have a delay of 5 nanoseconds each. Assuming constant clocking rate, the total time taken to process 1000 data items on this pipeline will be |
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Answer: (c).165.5 microseconds
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| 93. | Spatial locality refers to the problem that once a location is referenced |
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Answer: (c).A nearby location will be referenced soon
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| 95. | A system that has a lot of crashes, data should be written to the disk using? |
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Answer: (b).write – back
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| 96. | Which addressing mode is suitable for a high-level language statement? |
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Answer: (d).Auto decrement
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| 97. | Which memory unit has the lowest access time?
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Answer: (b).Registers
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| 98. | In a 16-bit instruction code format 3-bit operation code, 12-bit address, and 1 bit is assigned for address mode designation. For indirect addressing, the mode bit is |
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Answer: (b).1
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| 99. | A 32-bit address bus allows access to a memory of capability |
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Answer: (d).4 GB
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| 100. | Pipelining improves CPU performance due to? |
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Answer: (c).The introduction of parallelism
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