Computer Science - Disk Operating System (DOS)

Exercise :: Disk Operating System (DOS) - Section 1

21. 

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

Explanation:

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22. 

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

Explanation:

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23. 

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

Explanation:

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24. 

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

Explanation:

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25. 

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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