Computer Operating System Mock Test, Operating System Question Answers
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Computer Operating System Online Test, Operating System Mock Test. An operating system is system software that manages computer hardware and software resources and provides common services for computer programs. A computer system has many resources (hardware and software), which may be require to complete a task. The commonly required resources are input/output devices, memory, file storage space, CPU etc. The operating system acts as a manager of the above resources and allocates them to specific programs and users, whenever necessary to perform a particular task. Now take our free computer operating system online test from below
This paper has 30 questions.
Time allowed is 30 minutes.
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Question 1 of 30
1. Question
The part of machine level instruction, which tells the central processor what has to be done, is
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Question 2 of 30
2. Question
Which of the following refers to the associative memory?
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Question 3 of 30
3. Question
To avoid the race condition, the number of processes that may be simultaneously inside their critical section is
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Question 4 of 30
4. Question
A system program that combines the separately compiled modules of a program into a form suitable for execution
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Question 5 of 30
5. Question
Process is
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Question 6 of 30
6. Question
Addressing structure
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Question 7 of 30
7. Question
The Memory Buffer Register (MBR)
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Question 8 of 30
8. Question
The strategy of allowing processes that are logically runnable to be temporarily suspended is called
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Question 9 of 30
9. Question
The Storage-to-Storage instructions
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Question 10 of 30
10. Question
The LRU algorithm
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Question 11 of 30
11. Question
Which of the following systems software does the job of merging the records from two files into one?
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Question 12 of 30
12. Question
Fork is
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Question 13 of 30
13. Question
Thrashing
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Question 14 of 30
14. Question
Supervisor state is
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Question 15 of 30
15. Question
Which of the following instruction steps, would be written within the diamond-shaped box, of a flowchart?
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Question 16 of 30
16. Question
Which of the following statements is false?
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Question 17 of 30
17. Question
Interprocess communication
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Question 18 of 30
18. Question
Which of the following functions is(are) performed by the loader
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Question 19 of 30
19. Question
User-Friendly Systems are:
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Question 20 of 30
20. Question
Which of the following addressing modes, facilitates access to an operand whose location is defined relative to the beginning of the data structure in which it appears?
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Question 21 of 30
21. Question
While running DOS on a PC, which command would be used to duplicate the entire diskette?
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Question 22 of 30
22. Question
Memory
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Question 23 of 30
23. Question
Which of the following rules out the use of GO TO?
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Question 24 of 30
24. Question
A system program that sets up an executable program in main memory ready for execution is
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Question 25 of 30
25. Question
Which of the following are loaded into main memory when the computer is booted?
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Question 26 of 30
26. Question
The FIFO algorithm
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Question 27 of 30
27. Question
What is the name given to the organized collection of software that controls the overall operation of a computer?
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Question 28 of 30
28. Question
The principle of locality of reference justifies the use of
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Question 29 of 30
29. Question
The register or main memory location which contains the effective address of the operand is known as
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Question 30 of 30
30. Question
Assembly code data base is associated with
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