Operating systems concept MCQ Test 28

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

Congratulations - you have completed UGC-NET/GATE Multiple Choice Questions for Operating System..

You scored %%SCORE%% out of %%TOTAL%%.

Your performance has been rated as %%RATING%%


Your answers are highlighted below.
Question 1
Illegal addresses are trapped using the ..... bit.
A
error
B
protection
C
valid invalid
D
access
Question 2
In MS-DOS 5.0, which is the number that acts as a code to uniquely identify the software product?
A
DOS
B
MS DOS
C
5.0
D
None of the above
Question 3
What are two types of distributed operating system ?
  1. Network Operating system
  2. Zone based Operating system
  3. Level based Operating system
  4. Distributed Operating system
A
I and III
B
II and III
C
II, III and IV
D
I and IV
Question 4
Mapping of file is managed by
A
file metadata
B
page table
C
virtual memory
D
file system
Question 5
The three general methods for delivering content from a server to a client across a network are :
  1. unicasting
  2. duplex-casting
  3. broadcasting
  4. multicasting
c, d
A
I and III
B
II and III
C
II, III and IV
D
I,III and IV
Question 6
What is trap door ?
A
IT is trap door in WarGames
B
It is a hole in software left by designer.
C
It is a Trojan horse
D
It is a virus which traps and locks user terminal
Question 7
A state is safe if the system can allocate resources to each process (up to its maximum) in some order and still avoid deadlock. Then
A
deadlocked state is unsafe
B
unsafe state may lead to a deadlock situation
C
deadlocked state is a subset of unsafe state
D
all of these
Question 8
In the Many to Many model true concurrency cannot be gained because :
A
the kernel can schedule only one thread at a time
B
there are too many threads to handle
C
it is hard to map threads with each other
D
none of the above
Question 9
The only state transition that is initiated by the user process itself is :
A
block
B
wakeup
C
dispatch
D
none of the above
Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results
There are 9 questions to complete.

Add Comment

Read more:
Indian history MCQ Practice Test 264

Indian history MCQ Practice Test 149

MCQ On Communication Practice Test 120

UGC-NET All India Mock Test series-4

teaching aptitude, MCQ
Teaching Aptitude Online Practice Test 72

Close