Exercise : Operating System MCQ Questions and Answers
Question 1
A program
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Correct Answer : D. is a sequence of instructions
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Question 2
A page fault
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| D. |
Correct Answer : A. is an access to a page not currently in memory
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Question 3
A critical region is
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| D. |
Correct Answer : B. one which is enclosed by a pair of P and V operations on semaphores
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Question 4
A non-relocatable program is one which
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| B. |
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| D. |
Correct Answer : B. cannot be made to execute in any area of storage other than the one designated for it at the time of its coding or translation.
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Question 5
The dispatcher
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| C. |
| D. |
Correct Answer : A. actually schedules the tasks into the processor
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Question 6
A base register table
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| D. |
Correct Answer : C. is used to remember which of the general-purpose registers are currently available as base registers, and what base addresses they contain.
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Question 7
The action of parsing the source program into the proper syntactic classes is known as
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| B. |
| C. |
| D. |
Correct Answer : C. lexical analysis
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Question 8
Which of the following is a type of systems software used on microcomputers?
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| B. |
| C. |
| D. |
Correct Answer : B. All of these
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Question 9
System maintenance:
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| D. |
Correct Answer : B. is necessary on all systems, regardless of how good
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Question 10
The CPU, after receiving an interrupt from an I/O device
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| B. |
| C. |
| D. |
Correct Answer : A. branches off to the interrupt service routine after completion of the current instruction
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