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Home » GAT Subject » Computer Science » Aptitude Test - 83
1.Filename extensions help identify certain files. What filename extension identifies command files?
A. COM
B. BAT
C. EXE
D. COM
2.While working with MS-DOS, which command is used to specify the size of the disk to format.
A. FORMAT/F : size
B. FORMAT/N : sector
C. FORMAT/T : tracks
D. FORMAT/F : size
3.What command is used to reset a MODEM when using the "AT Command Set"?
A. ATR
B. ATZ
C. DTR
D. ATR
4.While working with MS-DOS, which command is used to force DOS to recheck all clusters when reformatting a disk?
A. FORMAT/B
B. FORMAT/S
C. FORMAT/8
D. FORMAT/B
5.The _____ switch instructs DOS to display the directory list in a wide format.
A. /W
B. /O
C. /P
D. /W
6.Which of the following applies to Internal DOS commands?
A. Internal commands can be run whenever the DOS prompt is displayed
B. Internal commands are reserved for DOS-level programming
C. Internal commands can only be executed from a batch file
D. Internal commands can be run whenever the DOS prompt is displayed
7.Match the device driver HIMEM.SYS to its operation
A. Supports (ANSI) terminal emulation
B. Manages the use of extended memory
C. Uses expanded memory on an 80386 processor
D. Supports (ANSI) terminal emulation
8.What command can you add to the AUTOEXEC.BAT file so that your computer temporarily stops in the execution of the file before continuing?
A. Pause
B. Halt
C. Wait x.xx seconds
D. Pause
9.While working with MS-DOS, which command is used to sort the file in ascending order?
A. SORT filename
B. SORT < filename
C. SORT > filename
D. SORT filename
10.What is the order in which Command.Com searches for programs to execute?
A. EXE, COM, BAT
B. EXE, BAT, COM
C. COM, EXE, BAT
D. EXE, COM, BAT
11.While working with MS-DOS, which command will you use to transfer a specific file from one disk to another?
A. COPY
B. DISKCOPY
C. TIME
D. COPY
12.Which command is executed before the others when a computer is first turned on?
A. Device=c:emm386.exe
B. Device=c:doshimem.sys
C. Prompt=$p$g
D. Device=c:emm386.exe
13.Where do you load the CD Rom drivers?
A. Autoexec.bat
B. Control Panel/Drivers
C. Into Upper memory
D. Autoexec.bat
14.Which best describes a fragmented hard drive?
A. The platters are bad
B. Data files are corrupted
C. Clusters of data are damaged
D. The platters are bad
15.Which of the following represents a correct sequence for the boot process on a DOS machine?
A. AUTOEXECBAT, CONFIG.SYS
B. CONFIG.SYS, AUTOEXEC.BAT
C. AUTOEXECBAT COMMAND.COM
D. AUTOEXECBAT, CONFIG.SYS
16.When you create a subdirectory within a directory, the process is known as _____
A. directing
B. making
C. backing
D. directing
17.The COPY command of MS-DOS, is used to:
A. copying files from one floppy disk to another floppy disk
B. copying one or more files on the same disk or directory
C. copying two or more files into a single file
D. copying files from one floppy disk to another floppy disk
18.Which of the following filename extension suggests that the file is a backup copy of another file?
A. BAK *
B. BAS
C. COM
D. BAK *
19.While working with MS-DOS, which command is used to compare the disk in drive A with the disk in drive B, specifying to compare only first side of each disk, and only the first 8 sectors of each track?
A. DISKCOPY A: B:/8
B. DISKCOMP A: B:/l/8
C. DISKCOMP A: B:/8
D. DISKCOPY A: B:/8
20.While working with MS-DOS, which command will you use to display the version?
A. DATE Command
B. VER Command
C. DISK Command
D. DATE Command
21.What type of commands are individual programs kept, as separate files on the hard disk (DOS diskette)?
A. External
B. Internal
C. Change
D. External
22.In DOS, what key would you press to step through the Config.sys and Autoexec.bat?
A. F1
B. F3
C. F5
D. F1
23.Which command is used to delete the directory and all its contents in one step?
A. DEL *.*
B. RD
C. DELTREE
D. DEL *.*
24.Which internal DOS command clears the screen and places the DOS prompt in the upper left corner of the screen?
A. cls
B. close
C. quit
D. cls
25.After searching the current directory where does command.com search next?
A. C:DOSUTILITIES
B. Config.sys
C. Autoexec.bat
D. C:DOSUTILITIES
26.Which DOS command is used to remove and scan memory and disk from viruses?
A. MSAV
B. DEFRAG
C. SCANDISK
D. MSAV
27.To conserve battery power on your laptop computer. What DOS v6.x command should you use?
A. Powermon.exe
B. Power.exe
C. Idel.com
D. Powermon.exe
28.The Fdisk command in DOS _____ .
A. Partitions the hard drive for use
B. Fixes erroneous hard drive
C. Formats data sectors on a hard drive
D. Partitions the hard drive for use
29.While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?
A. RESTORE A: *.*/S
B. RESTORE A: *.*/M
C. RESTORE A: *.*/N
D. RESTORE A: *.*/S
30.Which DOS command will configure a serial printing port?
A. Parallel serial
B. Mode LPT1=C0M1
C. Direct LPTl=COMl
D. Parallel serial
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