Operating systems concept MCQ Test 4

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

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Question 1
What is the name given to the organized collection of software that controls the overall operation of a computer?
A
Peripheral system
B
Operating system
C
Controlling system
D
None of the above
Question 2
Thread cancellation is :
A
the task of destroying the thread once its work is done
B
the task of removing a thread once its work is done
C
the task of terminating a thread before it has completed
D
none of the above
Question 3
Process are classified into different groups in
A
shortest job scheduling algorithm
B
round robin scheduling algorithm
C
priority scheduling algorithm
D
multilevel queue scheduling algorithm
Question 4
What is need of protection ?
  1. Prevent mischievous and intentional violation
  2. Prevent competitors to become better
  3. Ensure that each program component uses resources allotted to it only.
  4. For improving performance of system
A
I and IV
B
II and III
C
II, III and IV
D
I and III
Question 5
HTTP is ...........
  1. a stateful protocol
  2. a stateless protocol
  3. a protocol that maintains the status of its connection with the client
  4. a protocol that does not maintain the status of its connection with the client
A
I and III
B
II and III
C
II, III and IV
D
II and IV
Question 6
Which of the following terms refers to the degree to which data in a database system are accurate and correct?
A
data validity
B
data independence
C
data integrity
D
None of the above
Question 7
The Process Control Block is :
A
Process type variable
B
Data Structure
C
a secondary storage section
D
a Block in memory
Question 8
The direct access method is based on a ...... model of a file, as ..... allow random access to any file block.
A
magnetic tape, magnetic tapes
B
tape, tapes
C
disk, disks
D
all of the above
Question 9
What are the major components of file system ?
  1. Directory service
  2. Authorization service
  3. Shadow service
  4. System service
A
I and III
B
II and III
C
II, III and IV
D
I,II and IV
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