Question

Explain following terms in case of Process Scheduling

1) Turn-around Time

2) Waiting Time

3) Terminal Response Time

4) Event Response Time

Answer 1

1) Turnaround time: Turnaround time is the elapsed time between the time a program or a job is
submitted and the time when it is job completed.

2) Waiting time: It is the time job spends in the waiting queue before execution

3) Terminal Response time: In the time-sharing system, Terminal response time is the time to
respond with an answer or result to a question and it depends on a degree of multiprogramming, the efficiency of hardware with OS and policy of OS to allocate resources.

4) Event Response time: In the real-time system, event response time is the time to respond with an event.