Disk Operating System MCQ of Computer Science SET-8 with Answers

Disk Operating System MCQ of Computer Science SET-8 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 displays only file and directory names without size, date and time information?

(i) Dir/w
(ii) Dir a:
(iii) Dir /b
(iv) Dir /s

(iii) Dir /b

Q2. The Fdisk command in DOS _ .

(i) Partitions the hard drive for use
(ii) Fixes erroneous hard drive
(iii) Formats data sectors on a hard drive
(iv) Checks hard drive for lost clusters

(i) Partitions the hard drive for use

Q3. Which command is used to send the contents of file named REPORT/TXT to the standard printing device?

(i) TYPE REPORT.TXT TO PRINTER
(ii) TYPE REPORT.TXT > PRN
(iii) TYPE REPORT.TXT | PRN
(iv) TYPE REPORT.TXT | PRINTER

(i) TYPE REPORT.TXT TO PRINTER

Q4. What does MSCDEX.EXE do?

(i) Configures hard drives
(ii) it’s a SCSI driver
(iii) BIOS setup
(iv) it’s a CD-ROM DOS driver

(iv) it’s a CD-ROM DOS driver

Q5. You suspect a virus has entered your computer. What will not be affected by the virus?

(i) CMOS
(ii) Boot sector
(iii) Floppy disks
(iv) Program files

(i) CMOS

Q6. Which command is used to delete all the files extension .txt on the current drive and directory?

(i) Del .txt
(ii) Erase .txt
(iii) Del *.txt
(iv) Del *.*/p

(iii) Del *.txt

Q7. Only filenames and extensions are to be displayed in wide format, which command you’ll use?

(i) Dir/w
(ii) Dir a:
(iii) Dir/s
(iv) Dir/b

(i) Dir/w

Q8. A _ boot is when DOS is restarted without turning off the computer.

(i) warm
(ii) reboot
(iii) shutdown
(iv) system up

(i) warm

Q9. Which command is used to copy all files from drive a with extension .txt to the currently logged drive and directory?

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

(i) Copy a. *.txt

Q10. Which of the following extensions suggest that the file is a backup copy.

(i) Bak
(ii) Bas
(iii) Com
(iv) Txt

(i) Bak

Q11. What command would you type to list all of the files in the current directory?

(i) DIR
(ii) LIST ALL
(iii) SHOW
(iv) SHOW ME

(i) DIR

Q12. Which command in DOS can be used to recover accidentally deleted files?

(i) UNDELETE
(ii) DELETE/CANCEL
(iii) RESTORE
(iv) RECOVER

(i) UNDELETE

Q13. Each time you turn on your computer, it will check on the control file

(i) Command.com, io.sys
(ii) Command.com, date.com, dir.com
(iii) Command.com, io.sys, msdos.sys
(iv) Chkdsk.exe

(iii) Command.com, io.sys, msdos.sys

Q14. To find out how much memory is available, you could type______.

(i) EMM
(ii) MEM
(iii) CHKDSK
(iv) MEMMAKER

(ii) MEM

Q15. Which among the following are the best tools for fixing errors on disks?

(i) Fdisk
(ii) Scandisk
(iii) Chkdsk
(iv) Fixdsk

(ii) Scandisk

Q16. In MS-Dos what command you will use to display system date?

(i) Date command
(ii) Ver command
(iii) Disk command
(iv) Format command

(i) Date command

Q17. The buffers statement is found in what file?

(i) Config.sys
(ii) Autoexec.ncf
(iii) Autoexec.bat
(iv) Neb.cfg

(i) Config.sys

Q18. What is the switch that is used to make sure that the copy command copied files correctly

(i) /a
(ii) /c
(iii) /s
(iv) /v

(iv) /v

Q19. In MS-Dos 6.22, which part identifies the product uniquely

(i) MS
(ii) DOS
(iii) MS-DOS
(iv) 6.22

6.22

Q20. Using the _ switch causes FDISK to display the partition status of your hard disk without executing FDISK.

(i) /show
(ii) /display
(iii) /status
(iv) /part

(iii) /status

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