Clock Speed and Cycles per Instruction (CPI) MCQs

By: Prof. Dr. Fazal Rehman | Last updated: June 23, 2025

47 Score: 0 Attempted: 0/47 Subscribe
1. : What does CPI stand for in the context of processor performance?





2. : How is CPU performance typically measured in terms of instruction execution efficiency?





3. : Which metric reflects the time it takes for a processor to complete a single instruction?





4. : What is the primary factor affecting the number of cycles per instruction (CPI)?





5. : How does increasing the clock speed of a CPU affect its performance?





6. : What impact does a lower CPI value have on CPU performance?





7. : Which factor does not directly influence the cycles per instruction (CPI)?





8. : What is the relationship between clock speed and CPI in determining CPU performance?





9. : Which of the following describes a high CPI value?





10. : How is CPU performance typically improved besides increasing clock speed?





11. : What does a higher clock speed mean for the execution of instructions?





12. : What does the performance metric “clock speed” refer to?





13. : How is the overall performance of a CPU typically evaluated?





14. : Which metric is crucial for determining how many cycles are needed to execute a single instruction?





15. : What effect does a reduction in CPI have on a CPU’s performance?





16. : What does a low CPI value signify about a processor’s efficiency?





17. : Which of the following is a key factor affecting the cycles per instruction (CPI)?





18. : What is the impact of increasing the number of cores on the CPI of a processor?





19. : What does “clock speed” measure in a CPU?





20. : How does a higher clock speed influence instruction execution in terms of performance?





21. : What is the significance of a high CPI value for a CPU?





22. : How does reducing CPI affect the performance of a processor?





23. : Which performance metric is used to measure the efficiency of executing instructions in a CPU?





24. : What does a lower cycles per instruction (CPI) value indicate about a CPU’s execution capability?





25. : Which factor primarily determines the number of instructions a CPU can process per second?





26. : How is overall CPU performance typically assessed?





27. : Which metric would you analyze to determine the efficiency of a CPU in executing instructions?





28. : What does a decrease in CPI typically imply about a CPU’s performance?





29. : What is the relationship between clock speed and cycles per instruction (CPI) in determining CPU performance?





30. : How does a higher CPI value generally impact CPU performance?





31. : What is the impact of a lower CPI on CPU efficiency?





32. : Which performance metric is crucial for understanding how quickly a CPU can execute instructions?





33. : What effect does reducing the CPI have on a processor’s execution time?





34. : How does increasing clock speed without changing CPI impact overall CPU performance?





35. : What does a higher clock speed generally indicate about a CPU?





36. : Which metric is a key determinant of how many cycles are needed to complete an instruction?





37. : What is the main goal of reducing CPI in CPU design?





38. : Which factor does not directly affect the CPI of a CPU?





39. : What does CPI measure in relation to CPU performance?





40. : How does a high clock speed influence CPU performance in relation to CPI?





41. : What is the effect of improving CPI on instruction execution?





42. : Which of the following is a direct measure of a processor’s ability to handle instructions efficiently?





43. : What does a lower CPI indicate about a CPU’s performance capability?





44. : How is overall CPU performance affected by both clock speed and CPI?





45. : What is one way to enhance CPU performance in terms of CPI?





46. : How does a lower cycles per instruction (CPI) value benefit a CPU?





47. : Which metric is essential for evaluating how quickly a CPU can process instructions?





 

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