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Computer Science
Disk Operating System (DOS)
Quiz 5
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Q.1
To find out how much memory is available, you could type______.
EMM
MEM
CHKDSK
MEMMAKER
None of the above
Q.2
Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?
Extended, Logical, Primary
Primary, Extended, Logical
Logical, Extended, Primary
Logical, Primary, Extended
None of the above
Q.3
While working with MS-DOS, which command is used to display the contents of a file and pause the display after each screenful of information?
TYPE filename | MORE
CAT filename | MORE
CAT filename | pg
MORE filename
None of the above
Q.4
What file contains commands that configure systems devices?
Command.com
Config.sys
Autoexec.bat
Win.ini
None of the above
Q.5
Which command is used to suppress the prompt that asks you to confirm that you want to delete the directory?
DELTREE
DELTREE/F
DEL*.*
ERASE *.*
None of the above
Q.6
Which command of MS-DOS is used to copy only files that have been modified on or after the date you specify?
XCOPY/D : date
COPY/D : date
COPY/M
XCOPY/V
None of the above
Q.7
Which DOS command will format a floppy disk and transfer the system files
SYS C: A:
SYS A:
FORMAT A: /S
FORMAT A: /T
None of the above
Q.8
Which of the following command display the name of files in sorted order?
Dir/o:n
Dir/so
Dir/an
Dir/ah
Q.9
Which command displays the list of all previous commands entered by the used?
COMMANDS/ALL
KEYDOS
DOSKEY
DIR/ALL
Q.10
Which of the following operating does not implement multitasking truly?
Windows 98
Windows NT
Windows XP
MS DOS
Q.11
While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?
COPY
DISKCOPY
RESTORE
STORE
None of the above
Q.12
The term TSR is an abbreviation for:
Terminate Stay Ready
Testing System Read
Terminal Still Ready
Terminate Stay Resident
None of the above
Q.13
Using the _____ switch causes FDISK to display the partition status of your hard disk without executing FDISK.
/show
/display
/status
/part
None of the above
Q.14
3. What is the maximum length allowed for primary name of a computer file under DOS?
8
12
3
None of the above
Q.15
4. Which of the following could be a valid DOS file specification?
NOSFILE.POST
NOSFILE.P.OST
NOSFILE.DOC
NOST.FILEDOC
Q.16
5. As per symbolic notation of DOS, which of the following indicates the ROOT directory
*
>
/
None of the above
Q.17
With DOS, you may use the `*' and `?':
When changing the default settings
To represent unspecified characters in a filename
Instead of wildcard characters
In the extension but not in the drive name or the file name
Q.18
DOS system file consists of
IBMBIO.COM, IBMDOS.COM, COMMAND.COM
COMMAND.COM, IBMBIO.COM, FORMAT.COM
SYS.COM,IBMBIO.COM,IBMDOS.COM
None of the above
Q.19
The batch file uses the extension
.BAT
.DOC
.PRG
.DOS
Q.20
To display the list of all the file of the disk you would type
DIR
COPY
DIR FILES
DIR AUTOEXEC.BAT
Q.21
While working with MS-DOS, which command is used to more file from one directory to another?
Rename
Copy
Move
Cp
Q.22
While working with MS-DOS, which command is used to rename a file named file1.doc to file2.doc from a different directory called dir1?
Ren2.doc \dir\file1.doc
Ren file1.doc file2.doc
Ren .doc\dir\.doc
Ren \dir1\file1.doc file2.doc
Q.23
While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a
Copy a. *.txt
Copy *.txt a:
Copy *.txt c:
Copy *.txt all.txt
Q.24
Which command in DOS can be used to recover accidentally deleted files?
UNDELETE
DELETE/CANCEL
RESTORE
RECOVER
Q.25
Which command is used to set a name to a disk in DOS?
VOLUME
VOL
LABEL
DISKLABEL
Q.26
Which type of command in DOS needs additional files for their execution?
Internal commands
External commands
Batch commands
Redirectors
Q.27
Which was the last version of MSDOS that was released separately?
5.0
6.0
6.11
6.22
Q.28
While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?
Ren *.doc *.txt
Ren *.txt *.doc
Ren file.doc file.txt
Ren a: *.doc *.txt
Q.29
While working with MS-DOS which command is used to combine file1 plus file2 into new file named file3?
Copy file3 file1+file2
Copy file1+file2 file3
Copy file1+file2+file3
Copy file2 file1+file3
Q.30
While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt?
Copy a: *.txt
Copy *.txt a:
Copy *.txt c:
Copy *.txt all.txt
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