Question Discussion & Solution

MCQ

In priority scheduling algorithm ____________

CPU is allocated to the process with highest priority

CPU is allocated to the process with lowest priority

Equal priority processes can not be scheduled

None of the mentioned

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MCQ

What is Turnaround time?

the total waiting time for a process to finish execution

the total time spent in the ready queue

the total time spent in the running queue

the total time from the completion till the submission of a process

Discussion

MCQ

Consider the following set of processes, the length of the CPU burst time given in milliseconds.

ProcessBurst Time                       
   P1    6
   P2    8
   P3    7
   P4    3

Assuming the above process being scheduled with the SJF scheduling algorithm.

The waiting time for process P1 is 3ms

The waiting time for process P1 is 0ms

The waiting time for process P1 is 16ms

The waiting time for process P1 is 9ms

Discussion

MCQ

Complex scheduling algorithms ____________

are very appropriate for very large computers

use minimal resources

use many resources

all of the mentioned

Discussion

MCQ

A process P1 has a period of 50 and a CPU burst of t1 = 25, P2 has a period of 80 and a CPU burst of 35. The total CPU utilization is____________

0.9

0.74

0.94

0.8

Discussion

MCQ

If there are a total of T = 100 shares to be divided among three processes, A, B and C. A is assigned 50 shares, B is assigned 15 shares and C is assigned 20 shares.
B will have ______ percent of the total processor time.

none of the mentioned

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category More Operating System Topics

Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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