Disk Operating System (DOS) MCQs > FREE SET-3

1. You want to view the contents of autoexec.bat on the screen using the "type" command, but it scrolls by too quickly, what switch do you use to make it pause?
A type c:\\autoexec.bat /p
B type c:\\autoexec.bat/more
C type c:\\autoexec.bat|pause
D type c:\\autoexec.bat|more.

Free MCQs www.sharemcq.com     Answer: Option D
Explanation:
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2. To find out how much memory is available, you could type______.
A EMM
B MEM
C CHKDSK
D MEMMAKER

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3. While working with MS-DOS, which command is used to move file from one directory to another?
A RENAME
B COPY
C MOVE
D CP

Free MCQs www.sharemcq.com     Answer: Option C
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4. What does MSCDEX.EXE do?
A Configures hard drives
B it's a SCSI driver
C BIOS setup
D it's a CD-ROM DOS driver

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5. Which of the following commands allows you to make a directory?
A MAKE
B DIR
C MD
D DD

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6. Which command will be used to display file and directory names only, without size, date and time information?
A DIR/W
B DIR A:
C DIR/B
D DIR/S

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7. After trying to unload a TSR, you get an error message saying that other TSRs were loaded after the one you tried to remove. Which of the following commands could you use to see the current load order?
A MEM /P
B MEMMAKER
C MEM /C
D SYS:

Free MCQs www.sharemcq.com     Answer: Option C
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8. 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/V

Free MCQs www.sharemcq.com     Answer: Option A
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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

Free MCQs www.sharemcq.com     Answer: Option B
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10. While working with MS-DOS, which command will you use to display the version?
A DATE Command
B VER Command
C DISK Command
D FORMAT Command

Free MCQs www.sharemcq.com     Answer: Option B
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11. After searching the current directory where does command.com search next?
A C:\\DOS\\UTILITIES
B Config.sys
C Autoexec.bat
D The Path Statement

Free MCQs www.sharemcq.com     Answer: Option D
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12. While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?
A COPY FILE3 FILE1+FILE2
B COPY FILE1+FILE2 FILE3
C COPY FILE1+FILE2+FILE3
D COPY FILE2 FILE1+FILE3

Free MCQs www.sharemcq.com     Answer: Option B
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13. Which command is used to copy all files from drive A with extension .TXT to the currently logged drive and directory?
A COPY a: *.TXT
B COPY *.TXT A:
C COPY *.TXT C:
D COPY *.TXT ALL.TXT

Free MCQs www.sharemcq.com     Answer: Option A
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14. 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 exit

Free MCQs www.sharemcq.com     Answer: Option A
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15. 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 All of the above

Free MCQs www.sharemcq.com     Answer: Option D
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16. HIMEM.SYS controls:
A DOS=HIGH
B RMDRIVE.SYS
C SMARTDRV.SYS
D Extended Memory

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17. The MODE command of MS-DOS is used to
A display information about several types of devices installed in your computer
B provide various types of control over your printers
C make changes of the current display
D All of the above

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18. While using the DIR command, you can use certain switches with it. Which one of the following cannot be used with DIR?
A /P
B /W
C /S
D /T

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19. While working with MS-DOS, which command is used to display the contents of a file and pause the display after each screenful of information?
A TYPE filename | MORE
B CAT filename | MORE
C CAT filename | pg
D MORE filename

Free MCQs www.sharemcq.com     Answer: Option A
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20. What file contains commands that configure systems devices?
A Command.com
B Config.sys
C Autoexec.bat
D Win.ini

Free MCQs www.sharemcq.com     Answer: Option B
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21. The term TSR is an abbreviation for:
A Terminate Stay Ready
B Testing System Read
C Terminal Still Ready
D Terminate Stay Resident

Free MCQs www.sharemcq.com     Answer: Option D
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22. Which DOS command is used to detect, diagnose and repair logical and physical disk errors on both uncompressed and double space compressed drive?
A DEFRAG
B DBLSPACE
C SCANDISK
D MSAV

Free MCQs www.sharemcq.com     Answer: Option C
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23. When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?
A COPY C:\\DOS\\COMMAND.COM A:\\
B ATTRIB C:\\*.SYS A:\\
C XCOPY C:\\DOS\\*.* A:\\
D SYS C: A:

Free MCQs www.sharemcq.com     Answer: Option D
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24. Which command will prevent subsequent changes to the file CBT.EXE?
A RENAME + r CBT.EXE
B ATTRIB + r CBT.EXE
C COPY + r CBT.EXE
D MODE + r CBT.EXE

Free MCQs www.sharemcq.com     Answer: Option B
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25. 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 RENAME

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26. 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 are stored on disk separately from COMMAND.COM

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27. What command is used to reset a MODEM when using the "AT Command Set"?
A ATR
B ATZ
C DTR
D DCE

Free MCQs www.sharemcq.com     Answer: Option B
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28. Which of the following commands will take you directly to the root directory no matter what subdirectory you are currently in?
A CD \\root
B CD\\
C CD\\..
D CD..

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29. 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 code page switching

Free MCQs www.sharemcq.com     Answer: Option B
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30. 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 Pw.sys

Free MCQs www.sharemcq.com     Answer: Option B
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31. You suspect that your automatic modem dialer is not working correctly. Which of the following commands will manually dial the number 123-4567?
A AT1234567
B ATDT1234567
C AT1234567DL
D ATM 1234567

Free MCQs www.sharemcq.com     Answer: Option B
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32. 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 CONFIG.BAT, AUTOEXEC.BAT

Free MCQs www.sharemcq.com     Answer: Option B
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33. A system has two IDE hard drives that are each divided into primary and extended partitions, which drive letter is assigned to the primary partition of the second drive?
A C
B D
C E
D F

Free MCQs www.sharemcq.com     Answer: Option B
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34. Which command of DOS is used to compare two floppy disks?
A DISKCOPY
B DISKCOMP
C DISKCOPY A: B/V
D FORMAT A: B:

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35. The PATH command is usually found as part of your ___________ file.
A CONFIG.SYS
B CONFIG.BAT
C AUTOEXEC.SYS
D AUTOEXEC.BAT

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36. Where would you load the mouse driver mouse.sys?
A config.sys
B autoexec.bat
C win.ini
D io.sys

Free MCQs www.sharemcq.com     Answer: Option A
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37. After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?
A Use the DOS+ command
B Use the SETVER command
C Restore the old DOS version
D Contact the application's vendor support line

Free MCQs www.sharemcq.com     Answer: Option B
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38. The __________ switch instructs DOS to display the directory list in a wide format.
A /W
B /O
C /P
D /B

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39. Which of the following applies to external DOS commands?
A External commands reside in RAM until called
B External commands are stored on disk separately from COMMAND.COM
C External commands must always be used with the /e switch
D External commands can only be executed from a batch file.

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40. The buffers statement is found in what file?
A Config.sys
B Autoexec.ncf
C Autoexec.bat
D Neb.cfg

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41. Using the ________ switch causes FDISK to display the partition status of your hard disk without executing FDISK.
A /show
B /display
C /status
D /part

Free MCQs www.sharemcq.com     Answer: Option C
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42. Upper Memory blocks are located?
A Conventional Memory
B Extended Memory
C Expanded memory
D Reserved Memory

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43. What type of commands are individual programs kept as separate files on the hard disk (DOS diskette)?
A External
B Internal
C Change
D File

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44. You suspect a virus has entered in your computer. What will not be affected by the virus?
A CMOS
B Boot sector
C Floppy disks
D Program files

Free MCQs www.sharemcq.com     Answer: Option A
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45. In DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files?
A F8
B F5
C F4
D Fl

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46. To organize files on a disk, MS-DOS separates them into areas called _____
A directories
B buckets
C areas
D area directories

Free MCQs www.sharemcq.com     Answer: Option A
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47. After doing a low-level format, what would be the next step in configuring the hard drive in a system?
A Format DOS partition
B Install operating system
C Configure DMA channel and back up interrupt
D Partition hard disk

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48. Which of the following commands displays names of files in sorted order?
A DIR/N
B DIR/SO
C DIR/AN
D DIR/AH

Free MCQs www.sharemcq.com     Answer: Option C
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49. Which switch should be used in the DIR command to view files in all directories ?
A /P
B /W
C /S
D /L

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50. In MS-Dos what command you will use to display system date?
A Date command
B Ver command
C Disk command
D Format command

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