Disk Operating System MCQ of Computer Science SET-1 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. Which command is used to see the version?

(i) Version
(ii) Ver
(iii) Verson
(iv) None of above

(ii) Ver

Q2. The autoexec.bat configuration file

(i) Is run after config.sys on system boot-up
(ii) Contains all windows configuration files
(iii) Is also known as config.sys
(iv) Checks for system polarity

(i) Is run after config.sys on system boot-up

Q3. To view any currently running Terminate Stay Resident (TSR’s) programs you could type:

(i) Memory
(ii) MEM
(iii) SYS /M
(iv) MEMMAKER

(ii) MEM

Q4. 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

Q5. Which of the following commands allows you to make a directory?

(i) MAKE
(ii) DIR
(iii) MD
(iv) DD

(iii) MD

Q6. Which command is used to see the contents of a file?

(i) Type
(ii) Copy
(iii) Ed
(iv) None of above

(i) Type

Q7. While working with MS-DOS, which command is used to switch to the monochrome display from color display?

(i) MODE BLACK
(ii) MODE B/W
(iii) MODE MONO
(iv) MODE CO40

(iii) MODE MONO

Q8. Which internal DOS command clears the screen and places the DOS prompt in the upper left corner of the screen?

(i) cls
(ii) close
(iii) quit
(iv) exit

(i) cls

Q9. The ____ command allows you to modify the default prompt to provide other information

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

(i) prompt

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

(i) INF
(ii) PRO
(iii) EXE
(iv) SYS

(iii) EXE

Q11. Upper Memory blocks are located where?

(i) Conventional Memory
(ii) Extended Memory
(iii) Expanded memory
(iv) Reserved Memory

(iv) Reserved Memory

Q12. Which command is used to provide access to files located in other directories or disks?

(i) Tree
(ii) Path
(iii) Dir
(iv) Cd

(ii) Path

Q13. Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screenful of information?

(i) TREE
(ii) DELTREE/F
(iii) DIR | MORE
(iv) TREE | MORE

(iv) TREE | MORE

Q14. In DOS, what key would you press to step through the Config.sys and Autoexec.bat?

(i) F1
(ii) F3
(iii) F5
(iv) F8

(iv) F8

Q15. Which command will be used to display file and directory names only, without size, date, and time information?

(i) DIR/W
(ii) DIR A:
(iii) DIR/B
(iv) DIR/S

(iii) DIR/B

Q16. DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?

(i) 4
(ii) 26
(iii) 1
(iv) 16

(ii) 26

Q17. What is a TSR?

(i) test status request
(ii) terminate and stay resident program
(iii) take status request
(iv) token set ready

(ii) terminate and stay resident program

Q18. You suspect that your automatic modem dialer is not working correctly. Which of the following commands will manually dial the number 123-4567?

(i) AT1234567
(ii) ATDT1234567
(iii) AT1234567DL
(iv) ATM 1234567

(ii) ATDT1234567

Q19. While working with MS-DOS, which command is used to switch to the monochrome display from color display?

(i) MODE BLACK
(ii) MODE B/W
(iii) MODE MONO
(iv) MODE CO40

(iii) MODE MONO

Q20. Which DOS command allows you to compress existing disks and to create new compressed volumes?

(i) DEFRAG
(ii) DBLSPACE
(iii) SCANDISK
(iv) MSAV

(ii) DBLSPACE

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