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Which characteristic of the CPU determines how many instructions it can process per second?
Question

Which characteristic of the CPU determines how many instructions it can process per second?

A.

Cache size

B.

Number of registers

C.

Power consumption

D.

Clock speed

Correct option is D

Correct Answer: (D) Clock speed

Explanation:

  • Clock speed refers to the number of cycles a CPU can perform per second, measured in hertz (Hz).
  • The higher the clock speed, the more instructions a CPU can process in a given period.
  • It plays a crucial role in determining the processing speed of the CPU, directly affecting how fast tasks and computations are completed.

Information Booster:

  • Measurement: Clock speed is typically measured in gigahertz (GHz), with modern CPUs often operating at speeds of 3 GHz or higher.
  • Influence: Higher clock speeds generally result in faster performance, though other factors like core count and architecture also impact overall performance.
  • Relationship to Performance: A CPU with a higher clock speed can perform more instructions per second, making it more efficient for tasks requiring rapid processing.

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