MS-Dos operating System MCQs Test

Q No 1:   In MS-Dos 6.22, which part identifies the product uniquely?    

  1. MS
  2. DOS
  3. Ms-DOS
  4. 6.22


Q No 2:   In Ms-Dos what command you will use to display system date?

  1. Date command
  2. Ver command
  3. Disk command
  4. Format command


Q No 3:   While working with Ms-Dos which command transfers a specific file from one disk to another?

  1. Copy
  2. Diskcopy
  3. Time
  4. Rename


Q No 4:   If you don’t know the current time, which command will you use to display?

  1. Copy
  2. Ver
  3. Time
  4. Format


Q No 5:   If you need to duplicate the entire disk, which command will you use?

  1. Copy
  2. Diskcopy
  3. Chkdsk
  4. Format


Q No 6:   Which of the following extensions suggest that the file is a backup copy

  1. Bak
  2. Bas
  3. Com
  4. Txt


Q No 7:   Each time you turn on your computer, it will check on the control file
  

  1. Command.com, io.sys
  2. Command.com, date.com, dir.com 
  3. Command.com, io.sys, msdos.sys
  4. Chkdsk.exe


Q No 8:   Which command lists the contents of current directory of a disk?

  1. Copy
  2. Tree
  3. Cd
  4. Dir


Q No 9:   Only filenames and extensions are to be displayed in wide format, which command you’ll use?

  1. Dir/w
  2. Dir a:
  3. Dir/s
  4. Dir/b


Q No 10:   Which command divides the surface of the blank disk into sectors and assign a unique address to each one   

  1. Ver
  2. Format
  3. Fat
  4. Chkdsk


Q No 11:   Which command is used to display all the files having the (.exe) extension but different filename?

  1. Dir filename.*
  2. Dir filename.ext
  3. Dir *.sys
  4. Dir *.ext

Q No 12:   Which command should be used to display all files within the specified subordinate directory of the subdirectory?

  1. Dir \ pathname
  2. Dir \ pathname\pathname
  3. Dir / ch
  4. Dir \pathname\filename


Q No 13:   Which command displays comma for thousand separating on file size while listing?

  1. Dir/w
  2. Dir/s
  3. Dir/b
  4. Dir/c


Q No 14:   Which command displays only file and directory names without size, date and time information?

  1. Dir/w
  2. Dir a:
  3. Dir /b
  4. Dir /s


Q No 15:   Which command displays the directory list including files in tree structure?

  1. Dir/s/f
  2. Tree/f
  3. Tree/s/f
  4. Dir/f


Q No 16:    

Which command will be used to display a file within the specified directory of pathname?

  1. Dir \pathname
  2. Dir \pathname\pathname
  3. Dir/ch
  4. Dir \pathname\filename

Q No 17:   Which command displays all the files having the same name but different extensions?

  1. Dir filename.
  2. Dir filename.ext
  3. Dir *.sys
  4. Dir *.ext


Q No 18:   Which command creates a directory or subdirectory?

  1. Dir
  2. Mkdir
  3. Md
  4. Both b and c

Q No 19:       An entire path name, consisting of several sub-directory names can contain upto

  1. 13 character
  2. 36 character
  3. 63 character
  4. 53 character

Q No 20:    In which year the first operating system was developed

  1. 1910
  2. 1940
  3. 1950
  4. 1980

Q No 21:    Which command is used to delete the directory that is empty?  

  1. Del *.*
  2. RD
  3. Erase
  4. MD


Q No 22:    Which command displays current directory name or change from one to another?

  1. Chdir
  2. Cd
  3. Mkdir
  4. Both a and b


Q No 23:   Which command is used to backup in DOS 6+ Version

  1. BACKUP
  2. MSBACKUP
  3. MSBACKEDUP
  4. All of the above

Q No 24:   Copy and Xcopy are same in the sense

  1. Both are internal command of DOS
  2. Both are external commands of DOS
  3. Both can be used to copy file or group of files
  4. Both a and b

Q No 25:   Which command be used to clear the screen and display the operating system prompt on the first line of the display?

  1. Cd
  2. Md
  3. Rena


Q No 27:   In which version of DOS. CHKDSK command has been changed to SCANDISK?

  1. 5.0
  2. 6.2
  3. 6.0
  4. 6.2


Q No 28:   Maximum length of DOS command using any optional parameter is

  1. 26 characters
  2. 87 characters
  3. 127 characters
  4. None of above


Q No 29:   MS-DOS developed in

  1. 1991
  2. 1984
  3. 1971
  4. 1961


Q No 30:   Which command is used to clear the screen
;    

  1. Cls
  2. Clear
  3. Clscreen
  4. All of above

Q No 31:    internal command in Dos are

  1. Cls, rd label
  2. Dir, ren, sys
  3. Time, type, dir
  4. Del, disk copy, label

Q No 32:    Generally, the DATE is entered in the form

  1. DD-YY-MM
  2. YY-DD-MM
  3. MM-YY-DD
  4. MM-DD-YY

Q No 33:    DEL command is used to 

  1. Delete files
  2. Delete directory
  3. Delete labels

Q No 34:   CHKDSK can be used to find

  1. Disk’s bad portion
  2. Occupied space
  3. Free space
  4. All of above

Q No 35:  DIR command is used to 

  1. Display a list of files in a directory
  2. Display contents of files in a directory
  3. Display type of files in a subdirectory
  4. All of above


Q No 36:   The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:

  1. DO NOT DELETE
  2. NO DELETE
  3. UNDELETE
  4. ON DELETE

Q No 37:  To copy the file command.com from drive c: to drive a:

  1. Drive c: copy drive a:\command.com
  2. C:A: copy command.com
  3. Copy c:\command.com a:
  4. Both b, and c

Q No 38:   FAT stands for

  1. File Accommodation Table
  2. File Access Tape
  3. File Allocation Table
  4. File Activity Table


Q No 39:    xcopy command can copy

  1. individual files or group of files
  2. directories including subdirectories
  3. to diskette of a different capacity
  4. all of above

Q No 40:   Which command is used to make a new directory?

  1. Md
  2. Cd
  3. Rd
  4. None of above

 

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