Disk Operating System MCQ of Computer Science SET-6 with Answers

We have provide here is the list of Disk Operating System MCQs for Computer Engineering preparation competitive exams. Each question has four options followed by the right answer.

MCQ Questions for Disk Operating System with Answers

Q1. After searching the current directory where does command.com search next?

(i) C:\DOS\UTILITIES
(ii) Config.sys
(iii) Autoexec.bat
(iv) The Path Statement

(iv) The Path Statement

Q2. What DOS program can you run to see which serial ports are detected?

(i) comdiag
(ii) MSD
(iii) command.com
(iv) SDET

(ii) MSD

Q3. When you create a subdirectory within a directory, the process is known as _

(i) directing
(ii) making
(iii) backing
(iv) nesting

(iv) nesting

Q4. Which command is used to set a name to a disk in DOS?

(i) VOLUME
(ii) VOL
(iii) LABEL
(iv) DISKLABEL

(iii) LABEL

Q5. Which command is used to clear the screen

(i) Cls
(ii) Clear
(iii) Clscreen
(iv) All of above

(i) Cls

Q6. The COPY command of MS-DOS, is used to:

(i) copying files to transfer from one PC to another
(ii) copying files for safe keeping or for record purpose
(iii) copying files from the hard disk to floppy disks
(iv) All of the above

(iv) All of the above

Q7. Where do you load the CD Rom drivers?

(i) Autoexec.bat
(ii) Control Panel/Drivers
(iii) Into Upper memory
(iv) Config.sys

(iv) Config.sys

Q8. Which best describes a fragmented hard drive?

(i) The platters are bad
(ii) Data files are corrupted
(iii) Clusters of data are damaged
(iv) Files are not stored in consecutive clusters

(iv) Files are not stored in consecutive clusters

Q9. Copy and Xcopy are same in the sense

(i) Both are internal command of DOS
(ii) Both are external commands of DOS
(iii) Both can be used to copy file or group of files
(iv) Both (i) & (ii)

(iii) Both can be used to copy file or group of files

Q10. Which command will prevent subsequent changes to the file CBT.EXE?

(i) RENAME + r CBT.EXE
(ii) ATTRIB + r CBT.EXE
(iii) COPY + r CBT.EXE
(iv) MODE + r CBT.EXE

(ii) ATTRIB + r CBT.EXE

Q11. Match the device driver HIMEM.SYS to its operation

(i) Supports (ANSI) terminal emulation
(ii) Manages the use of extended memory
(iii) Uses expanded memory on an 80386 processor
(iv) Supports code page switching

(ii) Manages the use of extended memory

Q12. To organize files on a disk, MS-DOS separates them into areas called _

(i) directories
(ii) buckets
(iii) areas
(iv) area directories

(i) directories

Q13. Which command is executed before the others when a computer is first turned on?

(i) Device=c:emm386.exe
(ii) Device=c:doshimem.sys
(iii) Prompt=$p$g
(iv) Patch c:dos

(ii) Device=c:doshimem.sys

Q14. Which was the last version of MSDOS that was released separately?

(i) 5.0
(ii) 6.0
(iii) 6.11
(iv) 6.22

(iv) 6.22

Q15. Which file is the batch file that is read while booting a computer?

(i) Autoexec.bat
(ii) Auto-batch
(iii) Autoexecutive.bat
(iv) Auto.bat

(i) Autoexec.bat

Q16. Which two of the following DOS commands are used to display or set the date and time of your computer’s infernal clock?

(i) VER
(ii) HOUR
(iii) DATE
(iv) DAY

(iii) DATE

Q17. The _ switch instructs DOS to display the directory list in a wide format.

(i) /W
(ii) /O
(iii) /P
(iv) /B

(i) /W

Q18. Which command is used to delete the directory that is empty?

(i) DEL .
(ii) RD
(iii) ERASE
(iv) MD

(ii) RD

Q19. What is the order in which Command.Com searches for programs to execute?

(i) EXE, COM, BAT
(ii) EXE, BAT, COM
(iii) COM, EXE, BAT
(iv) BAT, COM, EXE

(iii) COM, EXE, BAT

Q20. While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a

(i) Copy a. *.txt
(ii) Copy *.txt a:
(iii) Copy *.txt c:
(iv) Copy *.txt all.txt

(ii) Copy *.txt a:

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