SECTION A&B

WILLTURK TEST

$1.$ Operating System is a System Software which provides an environment to help the user to execute the programs.

A$.$ True

B$.$ False

C$.$ Both A & B

D$.$ None of the above

$2.$ Disk Operating System $($DOS$)$ is an example for

a$)$ PC OS

b$)$ Multi$-$processor OS

c$)$ Distributed OS

d$)$ Real Time OS

$3.$ The computer software can be divided into two main categories:

a$.$ Application Software and System Software

b$.$ Application Software and System Softcopy

c$.$ Application Softcopy and System Software

d$.$ Application Software and Sub$-$System Software

$4.$ Which of the following is not an examples of application software

a$.$ Spreadsheets

b$.$ System Software

c$.$ Desktop publishing systems

d$.$ Program development software.

$5.$ Which of the following is an examples of Main Components of an Operating System

a$.$ Hardware

b$.$ Software

c$.$ Memory

d$.$ Processor

$6.$ Which of the following is an examples of features of command line interface

a$.$ It is not very much user friendly

b$.$ It is very much user friendly

c$.$ It is much better user friendl

d$.$ It is widely preferred user friendly

$7.$ is a part of UNIX OS$.$

a$)$ Kernel

b$)$ Module

c$)$ Core

d$)$ Software

$8.$ Disk Operating System $($DOS$)$ is an example of

a$.$ Programming Language

b$.$ Operating System

c$.$ Application Software

d$.$ Utility Software

$9.$ Which of the followings are the Basic architectures for multiprocessor interconnections?

a$.$ Bus$-$Oriented systems

b$.$ Crossbar$-$connected systems

c$.$ both a and b

d$.$ Uniform memory access $($UMA$)$

$10.$ Spooling is an acronym for

a$.$ Simultaneous Peripheral Operating system On Line

b$.$ Similar Peripheral Operation On Line

c$.$ Simultaneous Peripheral Operation On Line.

d$.$ Simultaneous Project Operating system On Line

$11.$ Multiprogramming increases by organizing jobs

a$.$ memory utilization

b$.$ CPU utilization

c$.$ H$/$W utilization

d$.$ both a and b

$12.$ The software that provides a general programming environment in which programmers can create specific applications to suit their needs is known as

a$.$ Operation Systems

b$.$ Systems Operation

c$.$ System software

d$.$ Systems unit Software

$13.$ CPU scheduling and multi$-$programming provide each user $\_\_\_\_\_\_\_\_\_\_\_\_$in a time$-$shared system.

a$.$ multiple time slice

b$.$ multiple jobs

c$.$ multiple opening

d$.$ one time slice $($slot$)$

$14.$ The PCB contains information that makes the process entity

a$.$ dynamic

b$.$ passive

c$.$ an active

d$.$ static

$15.$ The ready queue is nothing but a list of implemented as a linked list

a$.$ processor

b$.$ Processes

c$.$ PCB$\text{'}$s

d$.$ Both a and b

$16.$ The operating system scheduler schedules processes from the for execution by the CPU

a$.$ ready queue

b$.$ Waiting queue

c$.$ running queue

d$.$ Both a and b

$17.$ The short$-$term scheduler $($or CPU scheduler$)$ carries out the

a$.$ selection process

b$.$ termination process

c$.$ starter process

d$.$ execution process

$18.$ Module that gives control of the CPU to the process selected by the short$-$term scheduler is known as

a$.$ dispatcher

b$.$ scheduler

c$.$ manager

d$.$ Connector

$19.$ Number of processes completed per time unit is called

a$.$ Throughput.

b$.$ CPU utilization

c$.$ Turnaround time

d$.$ Response time

$20.$ The FCFS algorithm is implemented by using aqueue structure for the ready queue.

a$.$ first$-$in$-$first$-$out $($FIFO$)$

b$.$ LILO

c$.$ LIFO

d$.$ FILO

$21.$ Software designed to solve a particular problem for users is known as$?$

a$.$ Operating Systems

b$.$ Operation Systems

c$.$ Application Software

d$.$ Application Softcopy

$22.$ Which of the following is an examples of features of command line interface

a$.$ It is not very much user friendly

b$.$ It is very much user friendly

c$.$ It is much better user friendly

d$.$ It is widely preferred user friendly

$23.$ CPU switching from one process to another requires saving the state of the current process and loading the latest state of the next process, is known as

a$.$ Context Switch

b$.$ packet switch

c$.$ process switch

d$.$ processor switch

$24.$ If process pi is executing in its critical$-$section, then no other processes can be executing in their critical$-$sections. Technique is called

a$.$ Mutual Exclusion

b$.$ Bounded Waiting

c$.$ Progress

d$.$ both a and b

$25.$ The situation where we have a set of processes each holding some resources, each requesting some resources, and none of them is able to obtain what it needs. Such situation is called

a$.$ Deadlock

b$.$ Reusable

c$.$ Mutual exclusion

d$.$ both b and c

$26.$ Demand paging is similar to paging with

a$.$ swapping

b$.$ debugger

c$.$ secondary memory

d$.$ both a and b

$27.$ Network Operating System $($NOSs$)$ are available on

a$.$ MANs

b$.$ WANs

c$.$ LANs

d$.$ both a and b

$28...................$ is verification of access to system resources. $($Pick the right option$)$

a$.$ Authentication

b$.$ Line Trapping

c$.$ Browsing

d$.$ Fabrication