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Disk Operating System Dos Online Exam Quiz

Important questions about Disk Operating System Dos. Disk Operating System Dos MCQ questions with answers. Disk Operating System Dos exam questions and answers for students and interviews.

1. Which two commands enable you to move between directories?

Options

A : CD

B : CHDIR

C : MOVE

D : MOVE DIR

2. The PATH command is usually found as part of your _____ file.

Options

A : CONFIG.SYS

B : CONFIG.BAT

C : AUTOEXEC.SYS

D : AUTOEXEC.BAT

3. While working with MS-DOS, which command is used to switch to the monochrome display from color display?

Options

A : MODE BLACK

B : MODE B/W

C : MODE MONO

D : MODE CO40

4. Which is LEAST likely to interfere with upgrading to a newer DOS version?

Options

A : ROM BIOS

B : Video controller

C : Compressed drives

D : Existing backup files

5. If you do not know the current time, which command will you use to display the time?

Options

A : COPY

B : VER

C : TIME

D : FORMAT

6. Which command will be used to display a column file compression ratio for each file of Double spaced disk?

Options

A : DIR/W

B : DIR/S

C : DIR/B

D : DIR /C (/C switch introduced in DOS version 6.00)

7. Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock?

Options

A : VER

B : HOUR

C : DATE

D : DAY

8. Which DOS command is used to remove and scan memory and disk from viruses?

Options

A : MSAV

B : DEFRAG

C : SCANDISK

D : VSAFE

9. While working with MS-DOS, which command is used to copy all files from the currently logged drive and directory with the extension .TXT to the drive A?

Options

A : COPY A: *.TXT

B : COPY *.TXT A:

C : COPY *.TXT C:

D : COPY *.TXT ALL.TXT

10. To conserve battery power on your laptop computer. What DOS v6.x command should you use?

Options

A : Powermon.exe

B : Power.exe

C : Idel.com

D : Pw.sys

1. Which of the following commands allows you to make a directory?

Options

A : MAKE

B : DIR

C : MD

D : DD

2. Which of the following commands will take you directly to the root directory no matter what subdirectory you are currently in?

Options

A : CD \root

B : CD\

C : CD\..

D : CD..

3. 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?

Options

A : type c:\autoexec.bat /p

B : type c:\autoexec.bat/more

C : type c:\autoexec.bat|pause

D : type c:\autoexec.bat|more.

4. Which command of MS-DOS is used to copy only files that have been modified on or after the date you specify?

Options

A : XCOPY/D : date

B : COPY/D : date

C : COPY/M

D : XCOPY/V

5. Which of the following applies to external DOS commands?

Options

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.

6. While working with MS-DOS, which command is used to move file from one directory to another?

Options

A : RENAME

B : COPY

C : MOVE

D : CP

7. Which of the following is loaded for CD-ROM support?

Options

A : VLM.EXE

B : CDDEX.EXE

C : DOSKEY.EXE

D : MSCDEX.EXE

8. Which DOS command is used to detect, diagnose and repair logical and physical disk errors on both, uncompressed and Double space compressed drive?

Options

A : DEFRAG

B : DBLSPACE

C : SCANDISK

D : MSAV

9. Which DOS command allows you to compress existing disks and to create new compressed volumes?

Options

A : DEFRAG

B : DBLSPACE

C : SCANDISK

D : MSAV

10. Which command is used to delete the directory that is empty?

Options

A : DEL *.*

B : RD

C : ERASE

D : MD

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