While working with MS-DOS which key is used to get the p[revious command used:
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While working with MS-DOS which key is used to get the p[revious command used:
F3
F1
F6
F9
Answer : A
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1) After upgrading your computer to a new DOS version, an older application displays the error message "Incorrect DOS version". What should you do to run this application?
Use the DOS+ command
Use the SETVER command
Restore the old DOS version
Contact the application's vendor support line
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2) Which command is used to delete the directory and all of its contents in one step?
3) Which file executes commands in DOS?
4) Which command is used to copy all files from drive A with extension .TXT to the currently logged drive and directory?
5) The MODE command of MS-DOS is used to
display information about several types of devices installed in your computer
provide various types of control over your printers
make changes of the current display
All of the above
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