CPU Scheduling Metrics Quiz

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Questions and Answers

What is the term used to describe the work completed per unit time when the CPU is busy executing a process?

  • Throughput (correct)
  • Turnaround time
  • Response time
  • Waiting time

Which term refers to the amount of time a specific process needs to wait in the ready queue?

  • Waiting time (correct)
  • Turnaround time
  • Response time
  • Throughput

What does the term 'Response time' refer to in the context of process execution?

  • The time from request submission to first response (correct)
  • The waiting time in the ready queue
  • The work completed per unit time
  • The time needed for context switching

What is the purpose of timer interruption in process scheduling?

<p>To enforce returning the CPU before a burst is complete (A)</p> Signup and view all the answers

Which function is NOT performed by the Dispatcher in process scheduling?

<p>Monitoring CPU temperature (D)</p> Signup and view all the answers

What does 'Turnaround Time' represent in the context of process execution?

<p>Time from submission to completion (C)</p> Signup and view all the answers

What is a process in the context of an operating system?

<p>A program in execution that performs specified actions (D)</p> Signup and view all the answers

How can thread be defined within an operating system?

<p>The unit of execution within a process (C)</p> Signup and view all the answers

What is the primary responsibility of an operating system?

<p>Managing all computer processes (B)</p> Signup and view all the answers

How does an operating system start managing programs on a computer?

<p>By loading programs into memory (B)</p> Signup and view all the answers

What initiates the process creation in an operating system?

<p>User interaction with a system call (C)</p> Signup and view all the answers

What distinguishes a process from a program?

<p>A process performs specified actions in a program (A)</p> Signup and view all the answers

What is the main task of CPU scheduling?

<p>Ensuring that whenever the CPU is idle, it selects a process from the ready queue for execution (D)</p> Signup and view all the answers

What happens to a process once it has started executing?

<p>It can be blocked or go into a waiting queue (B)</p> Signup and view all the answers

What is Preemptive Scheduling?

<p>Assigning tasks based on their priorities and allowing higher priority tasks to interrupt lower priority ones (B)</p> Signup and view all the answers

What does the operating system do after the execution of a process?

<p>Terminates the Process Control Block (PCB) (C)</p> Signup and view all the answers

Who selects a process for execution from the ready queue?

<p>CPU scheduler (D)</p> Signup and view all the answers

In which scheduling method do tasks get interrupted based on their priorities?

<p>Preemptive Scheduling (D)</p> Signup and view all the answers

What is the main purpose of a dispatcher in a computer system?

<p>To provide control of the CPU to the process (A)</p> Signup and view all the answers

In the First Come First Serve scheduling method, which process gets CPU allocation first?

<p>The process that requests the CPU first (B)</p> Signup and view all the answers

What principle does Round Robin scheduling operate on?

<p>Equal share of CPU time for each process in turn (B)</p> Signup and view all the answers

What is the key criterion for selecting the next task in Shortest Job First scheduling?

<p>Shortest execution time (B)</p> Signup and view all the answers

What does the multilevel queue scheduling method do?

<p>Separates ready queue into various separate queues based on properties (B)</p> Signup and view all the answers

How does the Shortest Remaining Time algorithm allocate processes?

<p>Based on the process closest to completion (A)</p> Signup and view all the answers

What is the full form of FCFS in process scheduling algorithms?

<p>First Come First Serve (B)</p> Signup and view all the answers

What is the main characteristic of Round Robin Scheduling?

<p>It ensures an equal share of CPU time to each process in a circular queue. (A)</p> Signup and view all the answers

What does SJF stand for in process scheduling algorithms?

<p>Shortest Job First (C)</p> Signup and view all the answers

How does Priority Scheduling work in process scheduling?

<p>Tasks are executed based on their priority level. (D)</p> Signup and view all the answers

What is another name for Shortest Remaining Time (SRT) scheduling?

<p>(SJF) Preemptive Scheduling (A)</p> Signup and view all the answers

Which scheduling algorithm prevents newer processes from delaying the completion of older ones?

<p>(SJF) Preemptive Scheduling (C)</p> Signup and view all the answers

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