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Computer Science
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Disk Operating System (DOS)
Comments
Question
Which file executes commands in DOS?
Options
A. MS-DOS.SYS
B. CONFIG.SYS
C. COMMAND.COM
D. SYSTEM.INI
E. None of the above
Correct Answer
COMMAND.COM
Disk Operating System (DOS) problems
Search Results
1. Which command of DOS is used to sort the file in reverse order?
Options
A. SORT > filename
B. SORT < filename
C. SORT/R < filename
D. SORT/V < filename
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: SORT/R < filename
2. Filename extensions help identify certain files. What filename extension identifies executable files?
Options
A. INF
B. PRO
C. EXE
D. SYS
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: EXE
3. How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks?
Options
A. DOS=High
B. Devicehigh=
C. Loadhigh=
D. DOS=UMB
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: DOS=UMB
4. While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?
Options
A. RESTORE A: *.*/S
B. RESTORE A: *.*/M
C. RESTORE A: *.*/N
D. RESTORE A: *.*/L
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: RESTORE A: *.*/M
5. The Fdisk command in DOS _____ .
Options
A. Partitions the hard drive for use
B. Fixes erroneous hard drive
C. Formats data sectors on a hard drive
D. Checks hard drive for lost clusters
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Partitions the hard drive for use
6. Which DOS command would allow you to redirect a printer?
Options
A. Type
B. Capture
C. Mode
D. Print
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: Mode
7. While working with MS-DOS, which command is used to display a list of deleted files that DOS can undelete?
Options
A. UNDELETE *.*
B. UNDELETE/ALL
C. UNDELETE/LIST
D. UNDELETE
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: UNDELETE/LIST
8. Which command is used to copy all files from drive A with extension .TXT to the currently logged drive and directory?
Options
A. COPY a: *.TXT
B. COPY *.TXT A:
C. COPY *.TXT C:
D. COPY *.TXT ALL.TXT
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: COPY a: *.TXT
9. While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?
Options
A. COPY FILE3 FILE1+FILE2
B. COPY FILE1+FILE2 FILE3
C. COPY FILE1+FILE2+FILE3
D. COPY FILE2 FILE1+FILE3
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: COPY FILE1+FILE2 FILE3
10. DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?
Options
A. 4
B. 26
C. 1
D. 16
E. None of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 26
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