Computer Science - Operating Systems Concepts
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Exercise"In the middle of difficulty lies opportunity."
- Albert Einstein
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| 26. |
Which of the following are loaded into main memory when the computer is booted? |
| A. |
internal command instructions | | B. |
external command instructions | | C. |
utility programs | | D. |
word processing instructions | | E. |
None of the above |
Answer: Option B
Explanation:
No answer description available for this question. Let us discuss.
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| 27. |
The FIFO algorithm |
| A. |
executes first the job that last entered the queue | | B. |
executes first the job that first entered the queue | | C. |
execute first the job that has been in the queue the longest | | D. |
executes first the job with the least processor needs | | E. |
None of the above |
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
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| 28. |
What is the name given to the organized collection of software that controls the overall operation of a computer? |
| A. |
Working system | | B. |
Peripheral system | | C. |
Operating system | | D. |
Controlling system | | E. |
None of the above |
Answer: Option D
Explanation:
No answer description available for this question. Let us discuss.
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| 29. |
The principal of locality of reference justifies the use of |
| A. |
reenterable | | B. |
non reusable | | C. |
virtual memory | | D. |
cache memory | | E. |
None of the above |
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
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| 30. |
The register or main memory location which contains the effective address of the operand is known as |
| A. |
pointer | | B. |
indexed register | | C. |
special location | | D. |
scratch pad | | E. |
None of the above |
Answer: Option C
Explanation:
No answer description available for this question. Let us discuss.
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