Disk Operating System Questions and Answers

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Showing 10 of 39 questions
Q21
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
Answer: Option A
Q22
What is a TSR?
  • A test status request
  • B terminate and stay resident program
  • C take status request
  • D token set ready
Answer: Option B
Q23
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
Answer: Option D
Q24
Upper Memory blocks are located where?
  • A Conventional Memory
  • B Extended Memory
  • C Expanded memory
  • D Reserved Memory
Answer: Option D
Q25
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
Answer: Option B
Q26
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
Answer: Option B
Q27
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:
Answer: Option D
Q28
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
Answer: Option C
Q29
Which DOS command allows you to compress existing disks and to create new compressed volumes?
  • A DEFRAG
  • B DBLSPACE
  • C SCANDISK
  • D MSAV
Answer: Option B
Q30
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
Answer: Option D

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