Disk Operating System (DOS) - Section 1 (2)

9.

Which of the following applies to external DOS commands?

A.	External commands reside in RAM until called
B.	External commands are stored on disk separately from COMMAND.COM
C.	External commands must always be used with the /e switch
D.	External commands can only be executed from a batch file.
E.	None of the above

Answer: Option B

Explanation:

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10.

The MODE command of MS-DOS is used to

A.	display information about several types of devices installed in your computer
B.	provide various types of control over your printers
C.	make changes of the current display
D.	All of the above
E.	None of the above

Answer: Option D

Explanation:

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11.

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

Explanation:

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12.

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

Explanation:

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13.

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

Explanation:

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14.

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

Explanation:

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15.

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

Explanation:

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16.

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

Explanation:

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