MODEL
EXAMINATION
Subject: DOS
Subject: DOS
Time: 2 Hrs
Max. Marks: 50
I. Fill in the blanks :-
1. DOS is single user
________________operating system.
2. ________command is used to display
directories and files in alphabetical order.
3. ________command is used to display the
content of an existing file.
4. DIR /AR command is used to
display_____________.
5. .Doc is the extension
of__________________.
6. ____________command is used to
display all strings expect the specified strings in a file.
7. Batch file should have a extension
of ______________.
8. ____________command is used to scan
the surface of the hard disk.
9. A graphical representation of
directories can be seen by using ________command.
10. Hidden files can be seen by using
_______________________command.
II. True or False :-
(1´10=10)
1. MD command is used to create a file.
2. VER command display the current
version of operating system.
3. DIR/AD is used to arrange
directories in Reverse order.
4. TYPE command is used to display the
contents of an existing file.
5. FC command is used to compare two files.
6. Attrib +s is used to hide a file.
7. Alt+ F7 is used to clear command
history.
8. Another command used in place of MD
to make a directory is CHDIR.
9. Directories can be deleted if there
are files present in the directories.
11. DIR/P command is used to display the
list of files and directories width wise
III. Answer any six of the following :-
(3 x 6=18)
1. What are internal commands?
2. What are wild cards? Explain with
examples.
3. What is color command? Give four
examples.
4. What is a batch file?
5. Create a file named ‘game’ and
rename it as ‘sport’
6. Create a file “Address”, type in
your address and set and clear read only & hidden attributes.
7. Write the prompt command to get
(<=$=>), < *your name*>, current time, >)&(<,
<¦=¦>, (=IT=)
IV. Answer the following:-
(3 x 4 = 12)
10. What is “FIND” command used for.
Explain in detail using all its parameters.
11. What is booting in DOS? Explain.
12. Create and delete the following
directory structure.
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ASIA
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INDIA
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CHINA
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JAPAN
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Kerala
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TN
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New Delhi
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State
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Capital
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