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Welcome to the Disk Operating System (DOS) MCQs Page

Dive deep into the fascinating world of Disk Operating System (DOS) with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Disk Operating System (DOS), a crucial aspect of Operating System. In this section, you will encounter a diverse range of MCQs that cover various aspects of Disk Operating System (DOS), from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Operating System.

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Check out the MCQs below to embark on an enriching journey through Disk Operating System (DOS). Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Operating System.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Disk Operating System (DOS). You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Disk Operating System (DOS) MCQs | Page 8 of 15

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Q71.
Each time you turn the power switch on, which control files will the computer check?

a.

COMMAND.COM, IO.SYS

b.

COMMAND.COM, DATE.COM, TIME.COM

c.

C0MMAND.COM, IO.SYS, MSDOS.SYS

d.

CHKDSK.EXE

Discuss
Answer: (c).C0MMAND.COM, IO.SYS, MSDOS.SYS
Q72.
While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?

a.

COPY FILE3 FILE1+FILE2

b.

COPY FILE1+FILE2 FILE3

c.

COPY FILE1+FILE2+FILE3

d.

COPY FILE2 FILE1+FILE3

Discuss
Answer: (b).COPY FILE1+FILE2 FILE3
Q73.
Which two of the following DOS commands are used to display or set the date and time of your computer's infernal clock?

a.

VER

b.

HOUR

c.

DATE

d.

DAY

Discuss
Answer: (c).DATE
Q74.
When MS-DOS formats a disk, it automatically creates the main directory on your disk, which is called the _____ directory.

a.

main

b.

root

c.

area

d.

border

Discuss
Answer: (b).root
Q75.
Which command will prevent subsequent changes to the file CBT.EXE?

a.

RENAME + r CBT.EXE

b.

ATTRIB + r CBT.EXE

c.

COPY + r CBT.EXE

d.

MODE + r CBT.EXE

Discuss
Answer: (b).ATTRIB + r CBT.EXE
Q76.
Which command will be used to display a column file compression ratio for each file of Double spaced disk?

a.

DIR/W

b.

DIR/S

c.

DIR/B

d.

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

Discuss
Answer: (d).DIR /C (/C switch introduced in DOS version 6.00)
Q77.
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?

a.

COPY A: *.TXT

b.

COPY *.TXT A:

c.

COPY *.TXT C:

d.

COPY *.TXT ALL.TXT

Discuss
Answer: (b).COPY *.TXT A:
Q78.
Which command of DOS is used to compare two floppy disks?

a.

DISKCOPY

b.

DISKCOMP

c.

DISKCOPY A: B/V

d.

FORMAT A: B:

Discuss
Answer: (b).DISKCOMP
Q79.
Which command of DOS is used to sort the file in reverse order?

a.

SORT > filename

b.

SORT < filename

c.

SORT/R < filename

d.

SORT/V < filename

Discuss
Answer: (c).SORT/R < filename
Q80.
Which DOS command would allow you to redirect a printer?

a.

Type

b.

Capture

c.

Mode

d.

Print

Discuss
Answer: (c).Mode
Page 8 of 15

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