Disk Operating System (DOS)
Multiple Choice questions & answers are available for a Computer Science students to clear GAT, NTS, ECAT exams, various technical interview, competitive examination, and other entrance exam.Disk Operating System (DOS) is the important Topic for a computer science and technical students and one should practice these Mcqs to grasp good knowledge on the topic.
32. Which command is used to send the contents of file named REPORT/TXT to the standard printing device?
TYPE REPORT.TXT TO PRINTER
TYPE REPORT.TXT > PRN
TYPE REPORT.TXT | PRN
TYPE REPORT.TXT | PRINTER
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33. HIMEM.SYS controls:
DOS=HIGH
RMDRIVE.SYS
SMARTDRV.SYS
Extended Memory
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34. Where would you load the mouse driver mouse.sys?
Config.sys
Autoexec.bat
Win.ini
Io.sys
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35. Filename extensions help identify certain files. What filename extension identifies command files?
COM
BAT
EXE
SYS
36. While working with MS-DOS, which command is used to specify the size of the disk to format.
FORMAT/F : size
FORMAT/N : sector
FORMAT/T : tracks
FORMAT/V
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37. While working with MS-DOS, which command is used to force DOS to recheck all clusters when reformatting a disk?
FORMAT/B
FORMAT/S
FORMAT/8
FORMAT/C
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38. The _____ switch instructs DOS to display the directory list in a wide format.
/W
/O
/P
/B
39. Which of the following applies to Internal DOS commands?
Internal commands can be run whenever the DOS prompt is displayed
Internal commands are reserved for DOS-level programming
Internal commands can only be executed from a batch file
Internal commands are stored on disk separately from COMMAND.COM
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40. Match the device driver HIMEM.SYS to its operation
Supports (ANSI) terminal emulation
Manages the use of extended memory
Uses expanded memory on an 80386 processor
Supports code page switching
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41. What command can you add to the AUTOEXEC.BAT file so that your computer temporarily stops in the execution of the file before continuing?
Pause
Halt
Wait x.xx seconds
Wait until Files="x"
42. While working with MS-DOS, which command is used to sort the file in ascending order?
SORT filename
SORT < filename
SORT > filename
SORT | filename
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43. What is the order in which Command.Com searches for programs to execute?
EXE, COM, BAT
EXE, BAT, COM
COM, EXE, BAT
BAT, COM, EXE
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44. Which command is executed before the others when a computer is first turned on?
Device=c:emm386.exe
Device=c:doshimem.sys
Prompt=$p$g
Patch c:dos
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45. Where do you load the CD Rom drivers?
Autoexec.bat
Control Panel/Drivers
Into Upper memory
Config.sys
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