⟩ Which key deletes text before, or to the left, of the insertion point? a. PageUp b. Delete c. PageDown d. BackSpace
d. BackSpace
d. BackSpace
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 file in MSDOS contain internal command that are loaded during booting process? a. Io.sys b. Msdos.sys c. Command.com d. Config.sys
Which of the following statements is true in regard to diskcopy? a. Copy and discopy are same b. Discopy is a built in command in dos c. Diskcopy can be used on hard disks d. Diskcopy can be used with a floppy and a hard disk
Which switch should be used in the DIR command to view files in all directories? a. /p b. /w c. /s d. /l
Which of the following statements in regard to directories is false? a. Directories can exist inside directories b. The root directory is always at the highest level c. Directories with files can be deleted d. Directories cannot be renamed
Which was the last version of MSDOS that was released separately? a. 5.0 b. 6.0 c. 6.11 d. 6.22
Which command is used to undelete delete a bunch of files with extension doc that you have just deleted? a. Undelete b. Undelete *.doc c. Undelete/all d. All of the above
Which is valid extension that user creates on operating system? a. Exe b. Com c. Sys d. Bat
Which of the following file names are invalid in MSDOS? a. MYFILE.DOS b. CHECK$.(1) c. Verified.### d. Qwerty.1?3
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