Which keys can be pressed quit without saving in DOS
Ctrl + A
Ctrl + B
Ctrl + C
Ctrl + D
Answer : C
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1) The function of Dir/W is
Show all details of file
Show only file name and directory name
Shows only directory
All of the above
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2) What DOS program can you run to see which serial ports are detected?
3) In which year the first operating system was developed
4) When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?
5) While working with MS-DOS, which command is used to switch to the monochrome display from color display?
