Operating systems concept MCQ Test 14

By | October 3, 2017

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

Question 1
Which command displays comma for thousand separating on file size while listing?
A
Dir/w
B
Dir/s
C
Dir/b
D
Dir/c
Question 1 Explanation: 
Using comma for separating thousand in file size is by default on. You can use dir/-c to remove comma from the listing. /C stands for comma.
Question 2
A translator is best described as
A
an application software
B
a system software
C
a hardware component
D
all of the above
Question 3
Memories are normally classified according to their
A
speed
B
cost
C
indexes
D
both A and B
Question 4
How can you navigate around virtual consoles?
A
Alt+Function Key
B
Ctrl+Function Key
C
Ctrl+Alt+Del
D
Alt+a+w+Function Key
Question 5
Group 1 contains some CPU scheduling algorithms and Group 2 contains some applications. Match entries in Group 1 to entries in Group 2. Group I Group II (P) Gang Scheduling (1) Guaranteed Scheduling (Q) Rate Monotonic Scheduling (2) Real-time Scheduling (R) Fair Share Scheduling (3) Thread Scheduling
A
P-3 Q-2 R-1
B
P-1 Q-2 R-3
C
P-2 Q-3 R-1
D
P-1 Q-3 R-2
Question 6
Memory management is
A
not used in modern operating system
B
replaced with virtual memory on current system
C
not used on multiprogramming systems
D
critical for even the simplest operating system
Question 7
Which of the following is suitable after you install new drivers?
A
Shut Down
B
Restart
C
Sleep
D
Hibernate
Question 8
Multiprogramming allows the processor to handle
A
Data
B
Bath Jobs
C
Time
D
Memory
Question 9
Consider the following table of arrival time and burst time for three processes P0, P1 and P2. Process Arrival time Burst Time P0: 0 ms 9 ms P1: 1 ms 4 ms P2: 2 ms 9 ms The pre-emptive shortest job first scheduling algorithm is used. Scheduling is carried out only at arrival or completion of processes. What is the average waiting time for the three processes?
A
5.0 ms
B
4.33 ms
C
6.33
D
7.33
Question 10
User-Friendly Systems are:
A
required for object-oriented programming
B
easy to develop
C
common among traditional mainframe operating systems
D
becoming more common
Question 11
Following is/are the reasons for process suspension.
A
Swapping parent process
B
Interrupt request
C
Timing
D
All of the above
Question 12
A Dead-lock in an Operating System is
A
Desirable process
B
Undesirable process
C
Definite waiting process
D
All of the above
Question 13
You can select My Computer icon and press Alt + Enter to
A
Delete it from desktop permanently
B
Open it in Explorer mode
C
Open System Properties dialog box
D
Pin it on Start menu
Question 14
Which one of the following is the characteristic of a multimedia system?
A
high storage
B
high data rates
C
both high storage and high data rates
D
none of the mentioned
Question 15
Pthreads refers to the POSIX standard defining an API for thread creation and
A
Synchronization
B
deletion
C
Processing
D
None
Question 16
Which hardware triggers some operation after certain programmed count?
A
programmable interval timer
B
interrupt timer
C
programmable timer
D
none of the mentioned
There are 16 questions to complete.

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