Operating systems concept MCQ Test 26

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

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Question 1
Which mechanism is used by worm process ?
A
Trap door
B
Fake process
C
Spawn Process
D
VAX process
Question 2
Which of the following instruction steps, would be written within the diamond-shaped bo,X of a flowchart?
A
IS A<10
B
PRINT A
C
DATA ,X4Z
D
None of the above
Question 3
In the layered approach of Operating Systems :
  1. Bottom Layer(0) is the User interface
  2. Highest Layer(N) is the User interface
  3. Bottom Layer(0) is the hardware
  4. Highest Layer(N) is the hardware
A
I and III
B
II and IV
C
II, III and IV
D
II and III
Question 4
The pattern that can be used to identify a virus is known as
A
stealth
B
virus signature
C
armoured
D
multipartite
Question 5
In a time-sharing operating system, when the time slot given to a process is completed, the process goes from the running state to the :
A
Blocked state
B
Ready state
C
Suspended state
D
Terminated state
Question 6
Producer consumer problem can be solved using
A
event counters
B
monitors
C
all of the above
D
None of the above
Question 7
What are the different ways in which clients and servers are dispersed across machines ?
  1. Servers may run on dedicated machines
  2. Servers and clients can be on same machines
  3. Distribution cannot be interposed between a OS and the file system
  4. OS cannot be distributed with the file system a part of that distribution
A
I and III
B
II and III
C
II, III and IV
D
I and II
Question 8
The hybrid algorithm that combines EDF with SCAN algorithm is known as :
A
EDS
B
SDF
C
SCAN-EDF
D
none of the above
Question 9
The two types of real time streaming are :
  1. live streaming
  2. dead streaming
  3. static streaming
  4. on demand streaming
A
I and III
B
II and III
C
II, III and IV
D
I and IV
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