Operating systems concept MCQ Test 17

By | October 3, 2017

Select your preferred language

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

Question 1
To send email, we use
A
MS Excel
B
Outlook Explorer
C
HTML
D
Netscape Navigator
Question 2
Assume every process requires 3 seconds of service time in a system with single processor. If new processes are arriving at the rate of 10 processes per minute, then estimate the fraction of time CPU is busy in system?
A
20%
B
30%
C
50%
D
60%
Question 3
When the head damages the magnetic surface, it is known as .....
A
disk crash
B
head crash
C
magnetic damage
D
all of the mentioned
Question 4
What are the necessary conditions to occur the deadlock?
A
Sharable resource, Hold and wait, Preemption, Circular wait.
B
Mutual exclusion, Hold and wait, No preemption, Circular wait.
C
Mutual exclusion, Hold and wait, Preemption, Circular wait.
D
None of the above.
Question 5
Mechanisms for synchronization and communication among various processes can be provided by
A
Sequence management
B
Communication management
C
Request management
D
Process management
There are 5 questions to complete.
Please report wrong answer

Leave a Reply

Your email address will not be published. Required fields are marked *