cpu performance

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Computer B having execution time 110 ns and computer A having 1001 then

Computer B having execution time 110 ns and computer A having 1001 then
  • A. A is 9.1 times as fast as B for programs
  • B. B is 9.1 times as fast as A for programs
  • C. A is 8 times as fast as B for programs
  • D. B is 8 times as fast as A for programs
  • Correct Answer: Option B

When PC having Clock rate of 2 and CPU clock cycle for a program is 4 then Execution time of this computer for a program will be

When PC having Clock rate of 2 and CPU clock cycle for a program is 4 then Execution time of this computer for a program will be
  • A. 1
  • B. 1.5
  • C. 1.75
  • D. 2
  • Correct Answer: Option D

Computer A having clock cycle time of 250 ps and cycle per instruction of 2.0 for some programs, and computer B having clock cycle time of 500 ps and a cycle per instruction of 1.2 for same program. Which one is faster for this program

Computer A having clock cycle time of 250 ps and cycle per instruction of 2.0 for some programs, and computer B having clock cycle time of 500 ps and a cycle per instruction of 1.2 for same program. Which one is faster for this program
  • A. Computer A
  • B. Computer B
  • C. Both will have same time
  • D. None of above
  • Correct Answer: Option A