Disk Operating System MCQ of Computer Science SET-3 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. Format command is used to

(i) Prepare a blank disk
(ii) Create a new blank disk from a used one
(iii) Both of above
(iv) None of above

(iii) Both of above

Q2. When MS-DOS formats a disk, it automatically creates the main directory on your disk, which is called the _ directory.

(i) main
(ii) root
(iii) area
(iv) border

(ii) root

Q3. 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

Q4. While working with MS-DOS, which command is used to combine FILE1 plus FILE2 into new file named FILE3?

(i) COPY FILE3 FILE1+FILE2
(ii) COPY FILE1+FILE2 FILE3
(iii) COPY FILE1+FILE2+FILE3
(iv) COPY FILE2 FILE1+FILE3

(ii) COPY FILE1+FILE2 FILE3

Q5. Full form of MS-DOS is

(i) Micro System Disk Operating System
(ii) Micro Simple Disk Operating System
(iii) Micro Soft Disk Operating System
(iv) Micro Sort Disk Operating System

(iii) Micro Soft Disk Operating System

Q6. Which command is used to suppress the prompt that asks you to confirm that you want to delete the directory?

(i) DELTREE
(ii) DELTREE/F
(iii) DEL.
(iv) ERASE .

(ii) DELTREE/F

Q7. xcopy command can copy

(i) Individual files or group of files
(ii) Directories including subdirectories
(iii) To diskette of a different capacity
(iv) All of above

(iv) All of above

Q8. What switch would you use to view Smartdrive statistics?

(i) /x
(ii) /e:
(iii) /s
(iv) /o:n

(iii) /s

Q9. Which command is executed before the others when a computer is first turned on?

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

(ii) Device=c:\dos\himem.sys

Q10. Upper Memory blocks are located where?

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

(iv) Reserved Memory

Q11. While working with MS-DOS, which command is used to display a list of deleted files that DOS can undelete?

(i) UNDELETE .
(ii) UNDELETE/ALL
(iii) UNDELETE/LIST
(iv) UNDELETE

(iii) UNDELETE/LIST

Q12. While working with MS-DOS which key is used to get the p[revious command used:

(i) F3
(ii) F1
(iii) F6
(iv) F9

(i) F3

Q13. Which DOS command will configure a serial printing port?

(i) Parallel serial
(ii) Mode LPT1=C0M1
(iii) Direct LPTl=COMl
(iv) Mode printer ()-serial ()

(ii) Mode LPT1=C0M1

Q14. The term TSR is an abbreviation for:

(i) Terminate Stay Ready
(ii) Testing System Read
(iii) Terminal Still Ready
(iv) Terminate Stay Resident

(iv) Terminate Stay Resident

Q15. 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

Q16. 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

Q17. Which DOS command will format a floppy disk and transfer the system files

(i) SYS C: A:
(ii) SYS A:
(iii) FORMAT A: /S
(iv) FORMAT A: /T

(iii) FORMAT A: /S

Q18. The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:

(i) DO NOT DELETE
(ii) NO DELETE
(iii) UNDELETE
(iv) ONDELETE

(iii) UNDELETE

Q19. How would you allow device drivers and TSR’s to be loaded into Upper Memory Blocks?

(i) DOS=High
(ii) Devicehigh=
(iii) Loadhigh=
(iv) DOS=UMB

(iv) DOS=UMB

Q20. After upgrading your computer to a new DOS version, an older application displays the error message “Incorrect DOS version”. What should you do to run this application?

(i) Use the DOS+ command
(ii) Use the SETVER command
(iii) Restore the old DOS version
(iv) Contact the application’s vendor support line

(ii) Use the SETVER command

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