Disk Operating System MCQ of Computer Science SET-7 with Answers

Disk Operating System MCQ of Computer Science SET-7 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. Where would you load the mouse driver mouse.sys?

(i) config.sys
(ii) autoexec.bat
(iii) win.ini
(iv) io.sys

(i) config.sys

Q2. Which of the following statements in regard to directories is false?

(i) Directories can exist inside directories
(ii) The root directory is always at the highest level
(iii) Directories with files can be deleted
(iv) Directories cannot be renamed

(iv) Directories cannot be renamed

Q3. MS-DOS developed in

(i) 1991
(ii) 1984
(iii) 1971
(iv) 1961

(ii) 1984

Q4. Each time you turn the power switch on, which control files will the computer check?

(i) COMMAND.COM, IO.SYS
(ii) COMMAND.COM, DATE.COM, TIME.COM
(iii) C0MMAND.COM, IO.SYS, MSDOS.SYS
(iv) CHKDSK.EXE

(iii) C0MMAND.COM, IO.SYS, MSDOS.SYS

Q5. What command is used to reset a MODEM when using the “AT Command Set”?

(i) ATR
(ii) ATZ
(iii) DTR
(iv) DCE

(ii) ATZ

Q6. The MODE command of MS-DOS is used to

(i) display information about several types of devices installed in your computer
(ii) provide various types of control over your printers
(iii) make changes of the current display
(iv) All of the above

(iv) All of the above

Q7. Which is valid extension that user creates on operating system?

(i) Exe
(ii) Com
(iii) Sys
(iv) Bat

(iv) Bat

Q8. Which command creates a directory or subdirectory?

(i) Dir
(ii) Mkdir
(iii) Md
(iv) Both (ii) & (iii)

(iv) Both (ii) & (iii)

Q9. Which file executes commands in DOS?

(i) MS-DOS.SYS
(ii) CONFIG.SYS
(iii) COMMAND.COM
(iv) SYSTEM.INI

(iii) COMMAND.COM

Q10. Filename extensions help identify certain files. What filename extension identifies command files?

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

(i) COM

Q11. While working with MS-DOS, which command is used to specify the colour display, 40 columns and color?

(i) MODE COLOUR
(ii) MODE/C
(iii) MODE CO40
(iv) MODE CHANGE

(iii) MODE CO40

Q12. The _ command allows you to modify the default prompt to provide other information

(i) prompt
(ii) windows
(iii) cursor
(iv) click

(i) prompt

Q13. Which file in MSDOS contain internal command that are loaded during booting process?

(i) Io.sys
(ii) Msdos.sys
(iii) Command.com
(iv) Config.sys

(iii) Command.com

Q14. Which command displays the directory list including files in tree structure?

(i) Dir/s/f
(ii) Tree/f
(iii) Tree/s/f
(iv) Dir/f

(ii) Tree/f

Q15. Which command below will instruct DOS to do a “quick format”.

(i) FORMAT A: /QUICK
(ii) FORMAT A: /Q
(iii) FORMAT A: /QU
(iv) FORMAT A: /QF

(ii) FORMAT A: /Q

Q16. HIMEM.SYS controls:

(i) DOS=HIGH
(ii) RMDRIVE.SYS
(iii) SMARTDRV.SYS
(iv) Extended Memory

(iv) Extended Memory

Q17. When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?

(i) COPY C:\DOS\COMMAND.COM A:\
(ii) ATTRIB C:*.SYS A:\
(iii) XCOPY C:\DOS*.* A:\
(iv) SYS C: A:

(iv) SYS C: A:

Q18. Which command is used to display a list of deleted files that DOS can undelete?

(i) Undelete .
(ii) Undelete/all
(iii) Undelete/list
(iv) None of the above

(iii) Undelete/list

Q19. Which command is used to display all the files having the (.exe) extension but different filename?

(i) Dir filename.*
(ii) Dir filename.ext
(iii) Dir *.sys
(iv) Dir *.exe

(iv) Dir *.exe

Q20. After doing a low-level format, what would be the next step in configuring the hard drive in a system?

(i) Format DOS partition
(ii) Install operating system
(iii) Configure DMA channel and back up interrupt
(iv) Partition hard disk

(iv) Partition hard disk

We hope the given Computer Engineering MCQ Questions for Disk Operating System with Answers PDF Free Download will help you. If you have any queries regarding Disk Operating System MCQs Multiple Choice Questions with Answers, drop a comment below and we will get back to you soons.

Leave a Comment