Operating System Basis Concept Multiple choice question

Exercise : - Multiple Choice Question On Operating System, MCQ Operating System Basis concept

This section contains a lot of operating system question and answer with explanation on the topic basis concept. These question and answer are very much helpful for interview(campus interviews, walkin interviews, company interviews), competitive examination ,entrance test and placements. Each question having answer and explanation that would help you to understand easily. These question are designed from basic to advance level. So anyone can learn from here (beginner, fresher, engineering graduate, an experienced IT professional).

All the question of operating system are listed below on basis concept along with detailed explanation / solution and answer.

1) What is Page stealing ?
A. It takes page frames from other working sets
B. To increase the capacity of main memory
C. To speed up main memory read operation
D. None of above

Answer:

It takes page frames from other working sets

Option:

( A )


Explanation :

No explanations available for this question.


2) What is convoy effect ?
A. All process waiting for the long process to complete
B. All process waiting for the small process to complete
C. Process in not present in main memory
D. None of above

Answer:

All process waiting for the small process to complete

Option:

( B )


Explanation :

No explanations available for this question.


3) What is a shell ?
A. is a hardware component
B. It is a command interpreter
C. It is a part in compiler
D. It is a tool in CPU scheduling

Answer:

It is a command interpreter

Option:

( B )


Explanation :

No explanations available for this question.


4) In the blocked state ?
A. the processes waiting for I/O are found
B. the process which is running is found
C. the processes waiting for the processor are found
D. none of the above

Answer:

the processes waiting for I/O are found

Option:

( A )


Explanation :

No explanations available for this question.


5) What is the memory from 1K - 640K called ?
A. Extended Memory
B. Normal Memory
C. Low Memory
D. Conventional Memory

Answer:

Conventional Memory

Option:

( D )


Explanation :

No explanations available for this question.