CPU Utilization and Turn-Around Time Calculations

Play an AI-generated podcast conversation about this lesson

What is the overall turnaround time for the five processes in the single processor computer system with non multi-programming?

60 ms

50 ms (correct)

40 ms

30 ms

How much time does each process spend on CPU bursts in the given scenario?

1 ms

4 ms

3 ms

2 ms (correct)

What is the CPU Utilization rate for the five processes in the single processor computer system without multi-programming?

10%

40%

30%

20% (correct)

If multi-programming is supported, how does the overall turnaround time for the five processes change compared to non multi-programming?

Remains the same Signup and view all the answers

What impact does the execution order of the processes have on CPU utilization rate in this scenario?

No impact Signup and view all the answers

What is the overall turnaround time for executing processes A, B, and C sequentially in a uniprogramming system?

32 ms Signup and view all the answers

If the order of execution of processes A, B, and C is changed from A C B to C A B in a uniprogramming system, how does this impact the CPU utilization rate?

It remains the same Signup and view all the answers

What is the CPU utilization rate in the context of executing processes A, B, and C sequentially in a uniprogramming system?

25% Signup and view all the answers

If the CPU bursts are reduced to 20% for each process instead of 25% in a uniprogramming system, how does this change affect the overall turnaround time?

It increases Signup and view all the answers

If the execution order is changed to B A C in a uniprogramming system, what impact does this have on the total time using the CPU compared to the original order (A C B)?

It remains the same Signup and view all the answers

What is the impact of multiprogramming on the overall turnaround time?

It becomes shorter due to overlapping CPU and IO operations. Signup and view all the answers

How does the OS handle the CPU utilization rate when executing multiple processes in a multi-programming scenario?

The OS schedules processes in a way that minimizes CPU idling. Signup and view all the answers

In the context of process execution, why is CPU burst significant?

It is the time a process spends executing on the CPU before performing IO. Signup and view all the answers

How does overlapping CPU and IO operations impact the turnaround time of processes?

It decreases the turnaround time by saving time during IO operations. Signup and view all the answers

If a process with a 2ms CPU burst follows a process with a 5ms CPU burst, how much time is saved during their execution?

$2ms$ Signup and view all the answers

CPU Utilization and Turn-Around Time Calculations

Podcast Beta

Questions and Answers