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Q.

DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?

A

4

B

26

C

1

D

16

E

None of the above

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1.

Format command is used to

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Prepare a blank disk

B

Create a new blank disk from a used one

C

Both of above

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While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?

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Copy *.txt a:

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What does MSCDEX.EXE do?

A

Configures hard drives

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it's a SCSI driver

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BIOS setup

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it's a CD-ROM DOS driver

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None of the above

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Which command is used to delete all the files in the root directory of drive a

A

A:\del

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5.

The term TSR is an abbreviation for:

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Terminate Stay Ready

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Testing System Read

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Terminal Still Ready

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None of the above

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