Related Questions

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
E None of the above
Which command is used to display a list of deleted files that DOS can undelete?
A Undelete *.*
B Undelete/all
C Undelete/list
D None of the above
While working with MS-DOS, which command is used to display a list of deleted files that DOS can undelete?
A UNDELETE *.*
B UNDELETE/ALL
C UNDELETE/LIST
D UNDELETE
E None of the above
While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?
A Ren *.doc *.txt
B Ren *.txt *.doc
C Ren file.doc file.txt
D Ren a: *.doc *.txt
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
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
A rm *
B rm -r *
C rm all
D rm *.*
E None of the above
Filename extensions help identify certain files. What filename extension identifies command files?
A COM
B BAT
C EXE
D SYS
E None of the above
Which command in DOS can be used to recover accidentally deleted files?
A UNDELETE
B DELETE/CANCEL
C RESTORE
D RECOVER
The average of five numbers is 6.9. If one of the numbers is deleted, the average of the remaining numbers is 4.4. What is the value of the number deleted?
A 6.8
B 7.4
C 12.5
D 16.9
Cascading updates refers to child rows being automatically deleted when a parent row is deleted.
A True
B False

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