NPTEL Computer Architecture Week 11 Assignment Answers 2024

NPTEL Computer Architecture Week 11 Assignment Answers 2024

1. The performance of a processor is inversely proportional to ______.

• the time taken to execute a program.
• the clock frequency.
• the number of load-use hazards in a program.
• None of the options

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2. Exceptions are generated when ______________.

• A program accesses an illegal address.
• We try to divide 5/0.
• We issue an invalid instruction.
• All of the options.

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3. In forwarding, if the instruction in the EX-stage is a load, and the instruction in the OF-stage uses its loaded value, then there is a stall for __ cycle(s).

• 3
• 1
• 2
• 0

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4. The context of a program refers to the _____________.

• Value of the PC
• Value of the flags registers
• Values contained in all the registers
• All of the options

Answer :- 

5. The _____________ is responsible for identifying and removing the code that does not determine the final output of a program.

• Assembler
• Linker
• Compiler
• Loader

Answer :- 

6. Consider a program that has 60% of load instructions. The ideal CPI is 1 for the program and let 40% of the load instructions suffer from a load use hazard, then the CPI is _________________.

• 1.48
• 0.48
• 1.24
• 0.24

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7. A memory built with just DRAM cells _______________.

• will be too slow.
• will consume too much power.
• will need more storage.
• All of the options

Answer :- 

8. The memory access latency of an application depends on the ________________

• Size of the memory
• Number of ports
• Technology used
• All of the options

Answer :- 

9. The ________ metric verifies if programs have temporal locality.

• Access latency
• Address distance
• Stack distance
• None of the options

Answer :- 

10. We cannot create a memory of just SRAM cells because _____________.

• We need more data storage capacity.
• We cannot afford 50+ cycles per access.
• There will be too many transient errors.
• All of the options.

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