Disk Operating System (DOS) MCQ Questions & Answers

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Each section contains 100 MCQs on Disk Operating System (DOS) .

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

A) MSAV B) DEFRAG C) SCANDISK D) VSAFE E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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 E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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) Checks hard drive for lost clusters E) None of the above

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks?

A) DOS=High B) Devicehigh= C) Loadhigh= D) DOS=UMB E) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

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: *.*/L E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which DOS command will configure a serial printing port?

A) Parallel serial B) Mode LPT1=C0M1 C) Direct LPTl=COMl D) Mode printer ()-serial () E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which command below will instruct DOS to do a "quick format".

A) FORMAT A: /QUICK B) FORMAT A: /Q C) FORMAT A: /QU D) FORMAT A: /QF E) None of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

While working with MS-DOS, which command is used to display a list of deleted files that DOS can undelete?

A) UNDELETE *.* B) UNDELETE/ALL C) UNDELETE/LIST D) UNDELETE E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which file executes commands in DOS?

A) MS-DOS.SYS B) CONFIG.SYS C) COMMAND.COM D) SYSTEM.INI E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What switch would you use to view Smartdrive statistics?

A) /x B) /e: C) /s D) /o:n E) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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Disk Operating System (DOS) MCQ Questions & Answers | Computer Science