MS-DOS for Computer Operator Exam
1.
You suspect a virus has entered your
computer.
What will not be affected by the
virus?
A. CMOS
B. Boot
sector
C. Floppy disks
D. Program
files
E. None of
the above
Answer: Option A
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2.
What is a TSR?
A.test
status request
B.terminate
and stay resident program
C.take
status request
D.token set
ready
E.token
steady route
Answer: Option B
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3.
What does MSCDEX.EXE do?
A.Configures
hard drives
B.it's a
SCSI driver
C.BIOS
setup
D.it's a
CD-ROM DOS driver
E.None of
the above
Answer: Option D
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4.
Upper Memory blocks are located
where?
A.
Conventional Memory
B.Extended
Memory
C.Expanded
memory
D.Reserved
Memory
E.None of
the above
Answer: Option D
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5.
Batch files contain a group of
MS-DOS commands that are run in successive order.
What
filename extension identifies batch files?
A. COM
B.BAT
C.EXE
D.SYS
E.None of
the above
Answer: Option B
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6. After
upgrading your computer to a new DOS version, an older application displays the
error message "Incorrect DOS version". What
should you do to run this application?
A. Use the
DOS+ command
B.Use the
SETVER command
C.Restore
the old DOS version
D.Contact
the application's vendor support line
E.None of
the above
Answer: Option B
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27. When
executed from a bootable hard drive, which command will make a formatted floppy
disk bootable?
A.COPY
C:\DOS\COMMAND.COM A:\
B.ATTRIB
C:\*.SYS A:\
C.XCOPY
C:\DOS\*.* A:\
D.SYS C: A:
E.None of
the above
Answer: Option D
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8.
Which of the following commands
allows you to make a directory?
A. MAKE
B.DIR
C.MD
D.DD
E.None of
the above
Answer: Option C
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9. While
working with MS-DOS, which command is used to specify the colour display, 40
columns and color?
A.MODE
COLOUR
B.MODE/C
C.MODE CO40
D.MODE
CHANGE
E.None of
the above
Answer: Option C
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10. Which
DOS command allows you to compress existing disks and to create new compressed
volumes?
A.DEFRAG
B.DBLSPACE
C.SCANDISK
D.MSAV
E.None of
the above
Answer: Option B
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