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CPU Scheduling Algorithms

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Questions and Answers

Which of the following scheduling algorithms is non-preemptive?

Priority Based Scheduling
Shortest Job Next (SJN)
First Come First Serve (FCFS) (correct)
Shortest Remaining Time

Which scheduling algorithm calculates the average wait time as (0 + 10 + 12 + 2)/4 = 6?

Shortest Job Next (SJN)
First Come First Serve (FCFS)
Shortest Remaining Time
Priority Based Scheduling (correct)

Which scheduling algorithm uses multiple-level queues to group and schedule jobs with common characteristics?

Priority Based Scheduling
Shortest Job Next (SJN)
Multiple-Level Queues Scheduling (correct)
First Come First Serve (FCFS)

Which scheduling algorithm is based on the fact that the process with the largest burst time is processed first?

Longest Job First (D) Signup and view all the answers

Which CPU scheduling algorithm is non-preemptive in nature?

Longest Job First (A) Signup and view all the answers

Which CPU scheduling algorithm works based on the priority of a process?

Priority Scheduling (B) Signup and view all the answers

Which CPU scheduling algorithm assigns a fixed time slot to each process?

Round Robin (B) Signup and view all the answers

Which CPU scheduling algorithm allows a process to move between different queues?

Multilevel Feedback Queue Scheduling (D) Signup and view all the answers

Which CPU scheduling algorithm offers starvation-free execution of processes?

Round-Robin Scheduling (A) Signup and view all the answers

Which CPU scheduling algorithm is the oldest and simplest?

Round-Robin Scheduling (A) Signup and view all the answers

What is the formula for calculating the worst case latency in CPU scheduling?

<pre><code>ext{Worst Case Latency} = ext{Maximum Time Taken for Execution of All Tasks} (B) </code></pre> Signup and view all the answers

Which one of the following is NOT a type of CPU scheduling algorithm?

Last In First Out (C) Signup and view all the answers

Which type of CPU scheduling algorithm selects the waiting process with the smallest execution time to execute next?

Shortest Job First (B) Signup and view all the answers

What is the main function of CPU scheduling?

To improve resource utilization (B) Signup and view all the answers

Why do we need to schedule processes in a multiprogramming system?

To allow multiple processes to be loaded into memory at a time (A) Signup and view all the answers