A directory of Objective Type Questions covering all the Computer Science subjects. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews.

21. Parameters of the programs on stack are
a. popped
b. pushed
c. copied
d. both a and b
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Answer: (d).both a and b

22. Thousands of system calls by the operating system are executed per
a. day
b. hour
c. sec
d. min
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Answer: (c).sec

23. Dump of memory of the computer system is examined by the
a. programmer
b. designer
c. debugger
d. engineer
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Answer: (c).debugger

24. System calls of operating system is done by
a. programmer
b. caller
c. developer
d. engineer
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Answer: (b).caller

25. System calls of the operating system provide interface to
a. programs
b. processes
c. services
d. both a and b
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Answer: (c).services

26. One that is not a system call category of the program is
a. process control
b. file generation
c. protection
d. communication
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Answer: (b).file generation

27. Between application programming interface and system calls, there exists
a. relation
b. correlation
c. interfacing
d. portability
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Answer: (b).correlation

28. Readfile() function of the operating system program is for
a. creation
b. designing
c. reading
d. writing
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Answer: (c).reading

29. Device manipulation is a type of
a. inputs
b. outputs
c. system call
d. processes
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Answer: (c).system call

30. The number of categories of system calls are
a. 2 categories
b. 4 categories
c. 6 categories
d. 8 categories
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Answer: (c).6 categories

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