Operating systems concept MCQ Test 15

By | October 3, 2017

UGC-NET/GATE Multiple Choice Questions for Operating System.

Question 1
What are parts of network structure?
A
Workstation
B
Gateway
C
Laptop
D
All of the mentioned
Question 2
On media that use constant linear velocity (CLV), the..... is uniform.
A
density of bits on the disk
B
density of bits per sector
C
the density of bits per track
D
none of the mentioned
Question 3
Which command is used to provide access to files located in other directories or disks?
A
Tree
B
Path
C
Dir
D
Cd
Question 4
Data encryption
A
is mostly used by public networks
B
is mostly used by financial networks
C
cannot be used by private installations
D
is not necessary, since data cannot be intercepted
Question 5
Preemptive, priority based scheduling guarantees:
A
hard real time functionality
B
soft real time functionality
C
protection of memory
D
none of the mentioned
Question 6
The page table registers should be built with..........
A
very low speed logic
B
very high speed logic
C
a large memory space
D
none of the mentioned
Question 7
Exit-controlled loop includes
A
do-while loop
B
while-do loop
C
for loop
D
if then
Question 8
LRU page-replacement algorithm associates with each page the..........
A
time it was brought into memory
B
the time of that page's last use
C
page after and before it
D
all of the mentioned
Question 9
When error occurs, program of the operating system automatically gets
A
deleted
B
aborted
C
stored
D
saved
Question 10
The faster the frames are displayed, :
A
the rougher the video appears
B
the smoother the video appears
C
it gets blurry
D
none of the mentioned
Question 11
The replacement of a bad block generally is not totally automatic because
A
data in bad block can not be replaced
B
data in bad block is usually lost
C
bad block does not contain any data
D
none of the mentioned
Question 12
Which command will prevent subsequent changes to the file CBT.EXE?
A
RENAME + r CBT.EXE
B
ATTRIB + r CBT.EXE
C
COPY + r CBT.EXE
D
MODE + r CBT.EXE
Question 13
To practice MCQs on all areas of Operating System, here is complete set on 1000+ Multiple Choice Questions and Answers on Operating System. 1. The minimum number of frames to be allocated to a process is decided by the:
A
the amount of available physical memory
B
operating System
C
instruction set architecture
D
none of the mentioned
Question 14
The first MPI function call made by every MPI process is the call to:
A
MPI...Main()
B
MPI...Wtick()
C
MPI...Init()
D
MPI...Bcast()
Question 15
The three ways in which a process responds to a signal are:
A
ignoring the signal
B
handling the signal
C
performing some default action
D
all of the mentioned
Question 16
CPU time allocated to each user in a time sharing system is said to be
A
Very short periods
B
Very long periods
C
Short cycle time
D
Long cycle time
There are 16 questions to complete.

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