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Q.

Full form of MS-DOS is

A

Micro System Disk Operating System

B

Micro Simple Disk Operating System

C

Micro Soft Disk Operating System

D

Micro Sort Disk Operating System

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MCQ

1.

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

E

None of the above

Discussion

MCQ

2.

Which of the following file names are invalid in MSDOS?

A

MYFILE.DOS

B

CHECK$.(1)

C

Verified.###

D

Qwerty.1?3

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MCQ

3.

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

A

NOSFILE.POST

B

NOSFILE.P.OST

C

NOSFILE.DOC

D

NOST.FILEDOC

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MCQ

4.

What command would you type to list all of the files in the current directory?

A

DIR

B

LIST ALL

C

SHOW

D

SHOW ME

E

None of the above

Discussion

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5.

Which of the following extensions suggest that the file is a backup copy.

A

Bak

B

Bas

C

Com

D

Txt

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