A process arrives at time 4 ms and starts its first CPU execution at time 7 ms. What is its response time?

Options

  • A. 3 ms
  • B. 4 ms
  • C. 7 ms
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

A. 3 ms

Detailed Explanation

Explanation: Response Time is the time from process arrival until its first CPU execution. Response Time = First Start Time − Arrival Time = 7 − 4 = 3 ms.