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Online Computer Science Test - Disk Operating System (DOS) Test

Instruction:
  • This is a FREE online test. Beware of scammers who ask for money to attend this test.
  • Total number of questions: 20.
  • Time allotted: 30 minutes.
  • Each question carries 1 mark; there are no negative marks.
  • DO NOT refresh the page.
  • All the best!

Marks : 2/20

Total number of questions
20
Number of answered questions
0
Number of unanswered questions
20
Test Review : View answers and explanation for this test.
1.
Which of the following applies to external DOS commands?
External commands reside in RAM until called
External commands are stored on disk separately from COMMAND.COM
External commands must always be used with the /e switch
External commands can only be executed from a batch file.
None of the above
Your Answer: Option
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Correct Answer: Option
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2.
While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?
COPY
DISKCOPY
RESTORE
STORE
None of the above
Your Answer: Option
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Correct Answer: Option
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3.
The buffers statement is found in what file?
Config.sys
Autoexec.ncf
Autoexec.bat
Neb.cfg
None of the above
Your Answer: Option
(Not Answered)
Correct Answer: Option
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4.
Upper Memory blocks are located where?
Conventional Memory
Extended Memory
Expanded memory
Reserved Memory
None of the above
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Correct Answer: Option
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5.
What command would you type to list all of the files in the current directory?
DIR
LIST ALL
SHOW
SHOW ME
None of the above
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Correct Answer: Option
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6.
The _____ command allows you to modify the default prompt to provide other information
prompt
windows
cursor
click
None of the above
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Correct Answer: Option
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7.
To find out how much memory is available, you could type______.
EMM
MEM
CHKDSK
MEMMAKER
None of the above
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(Not Answered)
Correct Answer: Option
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8.
While working with MS-DOS, which command is used to display the contents of a file and pause the display after each screenful of information?
TYPE filename | MORE
CAT filename | MORE
CAT filename | pg
MORE filename
None of the above
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Correct Answer: Option
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9.
Which command is used to suppress the prompt that asks you to confirm that you want to delete the directory?
DELTREE
DELTREE/F
DEL*.*
ERASE *.*
None of the above
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Correct Answer: Option
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10.
After searching the current directory where does command.com search next?
C:\DOS\UTILITIES
Config.sys
Autoexec.bat
The Path Statement
None of the above
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Correct Answer: Option
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11.
While working with MS-DOS, which command will you use to transfer a specific file from one disk to another?
COPY
DISKCOPY
TIME
RENAME
None of the above
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Correct Answer: Option
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12.
Which command is executed before the others when a computer is first turned on?
Device=c:\emm386.exe
Device=c:\dos\himem.sys
Prompt=$p$g
Patch c:\dos
None of the above
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Correct Answer: Option
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13.
Filename extensions help identify certain files. What filename extension identifies command files?
COM
BAT
EXE
SYS
None of the above
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Correct Answer: Option
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14.
Which command of DOS is used to sort the file in reverse order?
SORT > filename
SORT < filename
SORT/R < filename
SORT/V < filename
None of the above
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Correct Answer: Option
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15.
Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screenful of information?
TREE
DELTREE/F
DIR | MORE
TREE | MORE
None of the above
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Correct Answer: Option
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16.
Which is LEAST likely to interfere with upgrading to a newer DOS version?
ROM BIOS
Video controller
Compressed drives
Existing backup files
None of the above
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Correct Answer: Option
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17.
You suspect that your automatic modem dialer is not working correctly. Which of the following commands will manually dial the number 123-4567?
AT1234567
ATDT1234567
AT1234567DL
ATM 1234567
None of the above
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Correct Answer: Option
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18.
DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?
4
26
1
16
None of the above
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19.
While working with MS-DOS, which command is used to switch to the monochrome display from color display?
MODE BLACK
MODE B/W
MODE MONO
MODE CO40
None of the above
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Correct Answer: Option
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20.
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?
RESTORE A: *.*/S
RESTORE A: *.*/M
RESTORE A: *.*/N
RESTORE A: *.*/L
None of the above
Your Answer: Option
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Correct Answer: Option
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