DOS MCQs
DOS MCQs
These DOS multiple-choice questions and their answers will help you strengthen your grip on the subject of DOS. You can prepare for an upcoming exam or job interview with these 100+ DOS MCQs.
So scroll down and start answering.
1: What does DOS stands for?
A. Digital Operating System
B. Disk Operating System
C. Distributed Operating System
D. Directory Operating System
2: What happens when you type “CD” and press “Enter” key?
A. Enters into a subdirectory
B. Get the username
C. Returns to the root directory
D. Displays current directory
3: A program or command to execute automatically when OS starts is kept in which file?
A. config.sys
B. system.bat
C. command.com
D. autoexec.bat
4: True or False? DOS is a multitasking operating system.
A. False
B. True
5: What interface does DOS utilize?
A. command-line interface
B. graphical user interface
C. text-based user interface
D. web-based user interface
6: True or False? DOS uses the File Allocation Table (FAT) file system.
A. True
B. False
7: What is the full form of DOS?
A. Digital Office Systems
B. Digital Operating System
C. Disk Operating System
D. Data Organization Software
8: What is DOS?
A. a file server
B. a command prompt
C. an operating system
D. a programming language
9: FAT stands for which of the following?
A. File Accomodation Table
B. File Access Tape
C. File Activity Table
D. File Allocation Table
10: What is the command to create a new directory in MS-DOS?
A. MCD
B. MC
C. CD
D. MD
11: True or False? A volume label can be assigned to a disk by using the LABEL command.
A. False
B. True
12: What is the function of “Ctrl+C” in DOS?
A. Breaks execution of command
B. Saves a file
C. Delete the file
D. Un-Delete the deleted file
13: What is the command to list all files in the current directory?
A. DIR
B. SHOW
C. LIST
D. LS
14: Which of the following external command deletes a directory and all the files and subdirectories in it?
A. DRVSPACE
B. DEL
C. DELTREE
D. DELOLDOS
15: What action does the MODE command perform?
A. configures system devices
B. ALL three actions are performed by the MODE command
C. display information on port and display setting
D. make changes to display setting
16: Which file contains commands that configure systems devices?
A. Autoexec.bat
B. Win.ini
C. Command.com
D. Config.sys
17: What are the keys pressed to perform a warm reboot on a DOS operating system?
A. Ctrl + Esc
B. Ctrl + Alt + Esc
C. Ctrl + Alt + Del
D. Ctrl + Shft + Del
18: Which of the following is a key advantage of using batch files?
A. All of the given options are true
B. Time saving
C. Lesser keystrokes required to perform computer operations
D. Less chance of making errors
19: Which of the following do you use to search a file in MS-DOS?
A. dir/d
B. dir/c
C. dir/s
D. dir/ad
20: What is the command to clear the screen?
A. CLS
B. CLEAR
C. CLS and CLEAR
D. ERASE
21: What DOS command formats a floppy disk and copies system files to the formatted disk?
A. FORMAT A: -S
B. FORMAT A: /S
C. SYS A:
D. SYS A: /S
22: Which command will copy all files with extension .TXT under the current directory to drive D?
A. COPY *.TXT/A D:
B. COPY .TXT/A D:
C. COPY .TXT D:
D. COPY *.TXT D:
23: Which statement about AUTOEXEC.BAT is true?
A. It is located in the root directory of the boot device
B. It is called by COMMAND.COM
C. All three statements are true
D. It is a plain text file
24: What action does the DELTREE command perform?
A. delete all subdirectories within it
B. deletes a directory and all subdirectories and files within it
C. delete all subdirectories and files within it
25: What type of OS is MSDOS?
A. Single user, GUI
B. Multi user, CUI
C. Single user, CUI
D. Multi user, GUI
26: Which statement about TSR is true?
A. All three statements are true
B. TSR returns control to the system but keeps the program in memory
C. TSR uses interrupts to return control to a program in memory
D. TSR creates the appearance of multitasking
A. dir s?
B. dir*s
C. dir ? s
D. dir s*
28: Which command is used to display the disk volume label?
A. Volume
B. Vol
C. Version
D. Ver
29: Which DOS command will combine file1 and file2 into new file named file3?
A. Copy file1+file2+file3
B. Copy file1+file2 file3
C. Copy file2 file1+file3
D. Copy file3 file1+file2
30: What function does the MEM command perform?
A. Allocate memory for a program
B. Deallocate memory for a program
C. Displays the amount of used and free memory
D. Free all unused memory
31: The COPY command:
A. can only copy binary file
B. can only copy ascii file
C. copies one or more files to another location
D. copies one file to another location
32: True or False? DOS uses the 8.3 filename convention.
A. True
B. False
33: Which statement about COMMAND.COM is true?
A. All three statements are true
B. It has two modes: interactive and batch
C. It is the shell for the DOS operating system
D. It runs AUTOEXEC.BAT
34: What is the command that will change to the root directory irrespective of the current directory?
A. CD\
B. CD\\
C. CD..
D. CD\..
35: Which of the following is true about DOSKEY?
A. All of the given options are valid
B. Recalls MS-DOS commands
C. Edits command lines
D. Creates macros
36: Which file contains configuration files for the DOS operating system?
A. MSDOS.SYS
B. AUTOEXEC.BAT
C. CONFIG.SYS
D. COMMAND.COM
37: Which of the following command installs file-sharing and locking capabilities on the hard disk?
A. SHARE
B. RESTORE
C. SUBST
D. XCOPY
38: Which of the following is not a DOS executable extension?
A. SYS
B. COM
C. BAT
D. EXE
39: Which of the following is true about external command MSD?
A. Provides detailed technical information about the computer
B. Moves one or more files
C. Scans thecomputer for known viruses
D. Deletes a directory/file
40: Which of the following commands is used to copy all the files stored in floppy disk into the DATA directory of hard disk (c drive)?
A. copy A:* c:data
B. copy A: C:
C. copy A:*.* c:data
D. copy A:data C:
41: Which command do you use to display the contents of a file?
A. type
B. info
C. copy
D. edit
42: Which pair of command does not perform the same function?
A. REN, RENAME
B. FOR, FORMAT
C. DEL, ERASE
D. CH, CHDIR
43: RESTORE command is used for which of the following?
A. Restore files which were deleted recently
B. Restore files which were deleted
C. Restore files from disks made using the BACKUP command
D. Restore files from recycle bin
44: Which of the following DOS commands provides International keyboard (different countries and language) and character set information?
A. CHOICE
B. CALL
C. CHKDSK
D. CHCP
45: What is the size limitation of MS-DOS file name and extension?
A. 8 and 3
B. 255 and 3
C. 255 and 8
D. 3 and 8
46: What does formatting a disk mean?
A. Build/rebuild tracks only
B. Build/rebuild sectors only
C. Erasing data
D. Build/rebuild tracks, sectors
47: Which command do you use to list all the files and folders whose name contains TST from second character?
A. dir tst
B. dir ?tst
C. dir *tst
D. dir ?tst*
48: Which of the following command will delete a directory?
A. ERASE
B. RMDIR
C. All three commands can delete a directory
D. DEL
49: Which of the following command will delete a file?
A. DELTREE
B. ERASE
C. DEL
D. All three commands can delete a file
50: In XCOPY command, What is the arguiment used for avoiding prompt for overwrite ?
A. /d
B. /e
C. /a
D. /Y
E. /s
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