Explore topic-wise MCQs in Computer Science.

This section includes 181 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

51.

xcopy command can copy%!

A. Individual files or group of files
B. Directories including subdirectories
C. To diskette of a different capacity
D. All of above
Answer» E.
52.

The following command set is correct according to their function%!

A. RD can MD
B. DEL and ERASE
C. CD and RD
D. COPY and RENAME
Answer» C. CD and RD
53.

Which is the valid filename assign in MS-DOS?%!

A. Ram*.txt
B. Ram?.doc
C. Ram_$.txt
D. None of above
Answer» D. None of above
54.

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

A. Del .txt
B. Erase .txt
C. Del *.txt
D. Del *.*/p
Answer» D. Del *.*/p
55.

4. Which of the following could be a valid DOS file specification?%!

A. NOSFILE.POST
B. NOSFILE.P.OST
C. NOSFILE.DOC
D. NOST.FILEDOC
Answer» C. NOSFILE.DOC
56.

Which command is used to set a name to a disk in DOS?%!

A. VOLUME
B. VOL
C. LABEL
D. DISKLABEL
Answer» D. DISKLABEL
57.

While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?%!

A. Copy a: *.txt
B. Copy *.txt a:
C. Copy *.txt c:
D. Copy *.txt all.txt
Answer» E.
58.

Which switch should be used in the DIR command to view files in all directories?%!

A. /p
B. /w
C. /s
D. /l
Answer» D. /l
59.

To display the list of all the file of the disk you would type%!

A. DIR
B. COPY
C. DIR FILES
D. DIR AUTOEXEC.BAT
Answer» B. COPY
60.

Generally, the DATE is entered in the form%!

A. DD-YY-MM
B. YY-DD-MM
C. MM-YY-DD
D. MM-DD-YY
Answer» E.
61.

DIR command is used to%!

A. Display a list of files in a directory
B. Display contents of files in directory
C. Display type of files in a sub directory
D. All of above
Answer» B. Display contents of files in directory
62.

CHKDSK command is used to%!

A. Analyze the hard disk error
B. Diagnose the hard disk error
C. Report the status of files on disk
D. All of the above
Answer» E.
63.

Which command is used to clear the screen%!

A. Cls
B. Clear
C. Clscreen
D. All of above
Answer» B. Clear
64.

SYS command is used to%!

A. Copy DOS system files to new disk
B. Copy DOS configuration files to a new disk
C. Update the DOS system files
D. None of above
Answer» B. Copy DOS configuration files to a new disk
65.

Only filenames and extensions are to be displayed in wide format, which command you'll use?%!

A. Dir/w
B. Dir a:
C. Dir/s
D. Dir/b
Answer» B. Dir a:
66.

Which command should be used to display all files within the specified subordinate directory of the subdirectory?%!

A. Dir \ pathname
B. Dir \ pathname\pathname
C. Dir / ch
D. Dir \pathname\filename
Answer» C. Dir / ch
67.

*$_CHKDSK command is used to?

A. Analyze the hard disk error
B. Diagnose the hard disk error
C. Report the status of files on disk
D. All of the above
Answer» E.
68.

*$_Which command is used to clear the screen?

A. Cls
B. Clear
C. Clscreen
D. All of above
Answer» B. Clear
69.

*$_Only filenames and extensions are to be displayed in wide format, which command you'll use??

A. Dir/w
B. Dir a:
C. Dir/s
D. Dir/b
Answer» B. Dir a:
70.

*$_Which command should be used to display all files within the specified subordinate directory of the subdirectory??

A. Dir \ pathname
B. Dir \ pathname\pathname
C. Dir / ch
D. Dir \pathname\filename
Answer» C. Dir / ch
71.

*$_DIR command is used to?

A. Display a list of files in a directory
B. Display contents of files in directory
C. Display type of files in a sub directory
D. All of above
Answer» B. Display contents of files in directory
72.

*$_SYS command is used to?

A. Copy DOS system files to new disk
B. Copy DOS configuration files to a new disk
C. Update the DOS system files
D. None of above
Answer» B. Copy DOS configuration files to a new disk
73.

*$_Generally, the DATE is entered in the form?

A. DD-YY-MM
B. YY-DD-MM
C. MM-YY-DD
D. MM-DD-YY
Answer» E.
74.

*/*_The following command set is correct according to their function?

A. RD can MD
B. DEL and ERASE
C. CD and RD
D. COPY and RENAME
Answer» C. CD and RD
75.

*/*_In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.?

A. Small letter
B. Capital letter
C. Both a and b
D. None of above
Answer» C. Both a and b
76.

*/*_xcopy command can copy?

A. Individual files or group of files
B. Directories including subdirectories
C. To diskette of a different capacity
D. All of above
Answer» E.
77.

*/*_Which command divides the surface of the blank disk into sectors and assign a unique address to each one?

A. Ver
B. Format
C. Fat
D. Chkdsk
Answer» C. Fat
78.

*/*_To display the list of all the file of the disk you would type?

A. DIR
B. COPY
C. DIR FILES
D. DIR AUTOEXEC.BAT
Answer» B. COPY
79.

*/*_4. Which of the following could be a valid DOS file specification??

A. NOSFILE.POST
B. NOSFILE.P.OST
C. NOSFILE.DOC
D. NOST.FILEDOC
Answer» C. NOSFILE.DOC
80.

*/*_Which command is used to set a name to a disk in DOS??

A. VOLUME
B. VOL
C. LABEL
D. DISKLABEL
Answer» D. DISKLABEL
81.

*/*_While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt??

A. Copy a: *.txt
B. Copy *.txt a:
C. Copy *.txt c:
D. Copy *.txt all.txt
Answer» E.
82.

*/*_Which switch should be used in the DIR command to view files in all directories??

A. /p
B. /w
C. /s
D. /l
Answer» D. /l
83.

*/*_Which is the valid filename assign in MS-DOS??

A. Ram*.txt
B. Ram?.doc
C. Ram_$.txt
D. None of above
Answer» D. None of above
84.

*/*_Which command is used to delete all the files extension .txt on the current drive and directory??

A. Del .txt
B. Erase .txt
C. Del *.txt
D. Del *.*/p
Answer» D. Del *.*/p
85.

*/*_Which command is used to display all the files having the (.exe) extension but different filename??

A. Dir filename.*
B. Dir filename.ext
C. Dir *.sys
D. Dir *.ext
Answer» E.
86.

*/*_Which command displays current directory name or change from one to another??

A. Chdir
B. Cd
C. Mkdir
D. Both a and b
Answer» E.
87.

*/*_In which version of DOS. CHKDSK command has been changed to SCANDISK??

A. 5.0
B. 6.2
C. 6.0
D. 6.2
Answer» E.
88.

*/*_Which command be used to clear the screen and display the operating system prompt on the first line of thedisplay??

A. Cd
B. Md
C. Rename
D. cls
Answer» E.
89.

*/*_Disk copy command in DOS is used to?

A. Copy a file
B. Copy contents of one floppy disk to another
C. Copy contents of CD-ROM to another
D. All of the above
Answer» C. Copy contents of CD-ROM to another
90.

*/*_Which command is used to get the current date only??

A. Date
B. Time
C. Second
D. All of the above
Answer» B. Time
91.

*/*_CHKDSK can be used to find?

A. Disk’s bad portion
B. Occupied space
C. Free space
D. All of above
Answer» E.
92.

*/*_Which command lists the contents of current directory of a disk?

A. Copy
B. Tree
C. Cd
D. Dir
Answer» E.
93.

%_In which version of DOS. CHKDSK command has been changed to SCANDISK?_%

A. 5.0
B. 6.2
C. 6.0
D. 6.2
Answer» E.
94.

%_Which command be used to clear the screen and display the operating system prompt on the first line of thedisplay?_%

A. Cd
B. Md
C. Rename
D. cls
Answer» E.
95.

%_Which command lists the contents of current directory of a disk_%

A. Copy
B. Tree
C. Cd
D. Dir
Answer» E.
96.

%_Which command is used to display all the files having the (.exe) extension but different filename?_%

A. Dir filename.*
B. Dir filename.ext
C. Dir *.sys
D. Dir *.ext
Answer» E.
97.

%_Which command displays current directory name or change from one to another?_%

A. Chdir
B. Cd
C. Mkdir
D. Both a and b
Answer» E.
98.

%_CHKDSK can be used to find_%

A. Disk’s bad portion
B. Occupied space
C. Free space
D. All of above
Answer» E.
99.

%_Disk copy command in DOS is used to_%

A. Copy a file
B. Copy contents of one floppy disk to another
C. Copy contents of CD-ROM to another
D. All of the above
Answer» C. Copy contents of CD-ROM to another
100.

%_Which command is used to get the current date only?_%

A. Date
B. Time
C. Second
D. All of the above
Answer» B. Time