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.

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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

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

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

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

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

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

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

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

45.
Where do you load the CD Rom drivers?

Autoexec.bat

Control Panel/Drivers

Into Upper memory

Config.sys

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