Computer Science Set-10 | Question Paper Hub

Question 1

A composite key is made up of

A. One columnB. Two or more columnsC. Two or more rowsD. None of these

Question 2

What is full form of SSCM.

A. SQL server configuration managerB. SQL server configuration managementC. System structure use configuration managementD. None of these

Question 3

Which is the correct way to declare a pointer?

A. int_ptr;B. int *ptr;C. *int ptr;D. None of these.

Question 4

Which of the following is used to set the number of arguments specified in command line?

A. $1B. $#C. $0D. $*

Question 5

When you save an Access project, what file format do you use?

A. .adp.B. .xml.C. .mdb.D. .doc.

Question 6

To see the first 5 lines of a file, we give the command

A. tail +5B. head -5C. tail -5D. head +5

Question 7

In Ms-Dos what command you will use to display system date?

A. Date commandB. Ver commandC. Disk commandD. Format command

Question 8

Which of the following will determine your choice of systems software for your computer?

A. Is the applications software you want to use compatible with it ?B. Is it expensive?C. Is it compatible with your hardware?D. Both 1 and 3

Question 9

The bitwise OR operator is used to

A. Set the desired bits to 1B. Set the desired bits to 0C. Divide numbersD. Multiply numbers

Question 10

Replace the page that will not be used for the longest period of time. This principle is adopted by –

A. FIFO Page replacement algorithmB. Optimal Page replacement algorithmC. Round robin scheduling algorithmD. SCAN scheduling algorithm

Question 11

The technique, for sharing the time of a computer among several jobs, which switches jobs so rapidly such that each job appears to have the computer to itself, is called –

A. Time SharingB. Time outC. Time domainD. Multitasking

Question 12

Question Image

In the following program , find out error , if any ?

A. The condition in the while loop is a mustB. there should be at least a semicolon in the while ()C. the while loop should be replaced by a for loopD. no error

Question 13

If all page frames are initially empty, and a process is allocated 3 page frames in real memory and references its pages in the order 1 2 3 2 4 5 2 3 2 4 1 and the page replacement is FIFO, the total number of page faults caused by the process will be –

A. 10B. 7C. 8D. 9

Question 14

A process is-

A. program in executionB. a concurrent programC. any sequential programD. something which prevents deadlock

Question 15

Which of the following disk scheduling techniques has a drawback of starvation ?

A. SCANB. SSTFC. FCFSD. LIFO

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