Disk Operating System (DOS) Questions

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101.

Which command is used to set a name to a disk in DOS?

A

VOLUME

B

VOL

C

LABEL

D

DISKLABEL

Correct Answer: C

None.

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102.

Which of the following command display the name of files in sorted order?

A

Dir/o:n

B

Dir/so

C

Dir/an

D

Dir/ah

Correct Answer: A

None.

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103.

Which command displays the list of all previous commands entered by the used?

A

COMMANDS/ALL

B

KEYDOS

C

DOSKEY

D

DIR/ALL

Correct Answer: C

None.

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104.

Which of the following operating does not implement multitasking truly?

A

Windows 98

B

Windows NT

C

Windows XP

D

MS DOS

Correct Answer: D

None.

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105.

What is the maximum length allowed for primary name of a computer file under DOS?

A

8

B

12

C

3

D

None of the above

Correct Answer: A

None.

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106.

Which of the following could be a valid DOS file specification?

A

NOSFILE.POST

B

NOSFILE.P.OST

C

NOSFILE.DOC

D

NOST.FILEDOC

Correct Answer: B

None.

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107.

As per symbolic notation of DOS, which of the following indicates the ROOT directory

A

*

B

>

C

/

D

None of the above

Correct Answer: D

None.

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108.

With DOS, you may use the `*' and `?':

A

When changing the default settings

B

To represent unspecified characters in a filename

C

Instead of wildcard characters

D

In the extension but not in the drive name or the file name

Correct Answer: B

None.

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109.

DOS system file consists of

A

IBMBIO.COM, IBMDOS.COM, COMMAND.COM

B

COMMAND.COM, IBMBIO.COM, FORMAT.COM

C

SYS.COM,IBMBIO.COM,IBMDOS.COM

D

None of the above

Correct Answer: A

None.

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110.

The batch file uses the extension

A

.BAT

B

.DOC

C

.PRG

D

.DOS

Correct Answer: A

None.

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