⟩ Which is built directly on the hardware? a. Computer Environment b. Application Software c. Operating System d. Database System
c. Operating System
c. Operating System
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
While working with MS-DOS which command is used to combine file1 plus file2 into new file named file3? a. Copy file3 file1+file2 b. Copy file1+file2 file3 c. Copy file1+file2+file3 d. Copy file2 file1+file3
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 a. Copy a. *.txt b. Copy *.txt a c. Copy *.txt c d. Copy *.txt all.txt
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? a. Ren2.doc dirfile1.doc b. Ren file1.doc file2.doc c. Ren .docdir.doc d. Ren dir1file1.doc file2.doc
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
Which type of command in DOS needs additional files for their execution? a. Internal commands b. External commands c. Batch commands d. Redirectors
..... runs on computer hardware and serve as platform for other software to run on a. Operating system b. Application software c. System software d. All