Operating Systems Quiz

What is the main function of an Operating System (OS)?

• Manage hardware resources

• Perform calculations

• Create applications

• Store data

Which of the following is a non-preemptive scheduling algorithm?

• Priority Scheduling

• Round Robin

• Shortest Job First

• Multilevel Queue

What does FIFO stand for in CPU scheduling?

• Fast Input Fast Output

• First In First Out

• First Input First Output

• Fast In Fast Out

Which scheduling algorithm is known for having the longest average waiting time?

• Round Robin

• Priority Scheduling

• First Come First Serve

• Shortest Job First

In the context of CPU scheduling, what does 'turnaround time' refer to?

• Total time from submission to completion

• Time taken to switch processes

• Time spent waiting in the queue

• Time taken to complete a process

What is the average waiting time for the First Come First Serve (FCFS) algorithm based on the provided data?

• 7 ms

• 3.2 ms

• 9.6 ms

• 12 ms

Which of the following is a characteristic of the Shortest Job First (SJF) algorithm?

• It uses a priority queue

• It is optimal for minimizing average waiting time

• It can lead to starvation

• It is a preemptive algorithm

What is the main disadvantage of using priority scheduling?

• Starvation of lower priority processes

• Increased turnaround time

• High average waiting time

• Complex implementation

What is the average turnaround time for the Shortest Job First (SJF) algorithm?

• 12 ms

• 3.2 ms

• 9.6 ms

• 7 ms

Which of the following algorithms uses a time slice for process execution?

• Shortest Job First

• First Come First Serve

• Priority Scheduling

• Round Robin