Disk Operating System Questions with Answers | CSE

The Disk Operating System (DOS) forms the foundation of many modern computing systems. These programming questions and answers on DOS cover essential topics like file management, command-line utilities, memory organization, and system architecture. Mastering DOS is crucial for computer science students and aspirants appearing for TCS, Wipro, Tech Mahindra, and other placement exams. Practicing operating system MCQs with explanations strengthens your understanding of basic system-level concepts and command syntax. Learn how DOS interacts with hardware and manages files efficiently through Disk Operating System questions with answers, an important topic in both academic and technical interview preparation.

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Which command of MS-DOS is used to copy only files that have been modified on or after the date you specify?

A XCOPY/D : date
B COPY/D : date
C COPY/M
D XCOPY/V

Answer: Option A

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

A SYS C: A:
B SYS A:
C FORMAT A: /S
D FORMAT A: /T

Answer: Option C

While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?

A COPY
B DISKCOPY
C RESTORE
D STORE

Answer: Option C

The term TSR is an abbreviation for:

A Terminate Stay Ready
B Testing System Read
C Terminal Still Ready
D Terminate Stay Resident

Answer: Option D

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

A /show
B /display
C /status
D /part

Answer: Option C

While working with MS-DOS, which command is used to undelete a bunch of files with extension DOC that you have just deleted?

A UNDELETE
B UNDELETE *.DOC
C UNDELETE/ALL
D UNDELETE/LIST

Answer: Option B

In DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files?

A F8
B F5
C F4
D Fl

Answer: Option B

You want to view the contents of autoexec.bat on the screen using the "type" command, but it scrolls by too quickly, what switch do you use to make it pause?

A type c:\autoexec.bat /p
B type c:\autoexec.bat/more
C type c:\autoexec.batlpause
D type c:\autoexee.batlmore.

Answer: Option D

What file contains commands that configure systems devices?

A Command.com
B Config.sys
C Autoexec.bat
D Win.ini

Answer: Option B

Q10

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

A DELTREE
B DELTREE/F
C DEL*.*
D ERASE *.*

Answer: Option B

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Disk Operating System Questions and Answers

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Disk Operating System Questions and Answers

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