Computer Science Set-2 | Question Paper Hub

Question 1

Initial requirements specification is

A. not changed till the end of the projectB. continuously changed during project implementationC. only a rough indication of the requirementD. changed and finalized after feasibility study

Question 2

Which command divides the surface of the blank disk into sectors and assign a unique address to each one

A. VerB. FormatC. FatD. Chkdsk

Question 3

Which command is used to create a shortcut called linkname ?

A. ln –s filename linknameB. ln –h filename linknameC. ln –l filename linknameD. None of the above

Question 4

Which technique was introduced because a single job could not keep both the CPU and the I/O devices busy?

A. Time-sharingB. SPOOLingC. Preemptive schedulingD. Multiprogramming

Question 5

The bitwise AND operator is used for

A. MaskingB. ComparisonC. DivisionD. Shifting bits

Question 6

Mutual exclusion solves which problem?

A. Critical sectionB. normal sectionC. Low Memory sectionD. Conventional Memory section

Question 7

The problem statement should include all of the following EXCEPT

A. inputB. outputC. processingD. storage

Question 8

Debugging is-

A. creating program code.B. finding and correcting errors in the program code.C. identifying the task to be computerized.D. creating the algorithm.

Question 9

How can we change file ownership for a particular group?

A. chownB. creatC. xloadD. chgrp

Question 10

In the blocked state which one of the following condition satisfies?

A. the processes waiting for I/O are foundB. the process which is running is foundC. the processes waiting for the processor are foundD. none of the above

Question 11

How to call the last argument of previous command?

A. $#B. $_C. $1D. $*

Question 12

Multiprocessing-

A. Make the operating system simplerB. Allows multiple processes to run simultaneouslyC. Is completely understood by all major computer vendorsD. Allows the same computer to have the multiple processors

Question 13

GREP stands for

A. Gobally search Regular ExpressionB. General Regualr Expression PrintC. General Regular & Extended expression PrintD. None of the above

Question 14

Which of the following extensions suggest that the file is a backup copy

A. BakB. BasC. ComD. Txt

Question 15

Question Image

What is the output of the following C program :

A. 2B. 4C. would vary from complier to complierD. error, undefined

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