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When executed from a bootable hard drive, which command will make a formatted floppy disk bootable?

  • A.COPY C:\DOS\COMMAND.COM A:\
  • B.ATTRIB C:\*.SYS A:\
  • C.XCOPY C:\DOS\*.* A:\
  • D.SYS C: A:
  • E.None of the above

Answer: D

Correct answer: SYS C: A:

SYS copies the two hidden system files and COMMAND.COM to the target disk and writes the boot record, which is what makes the disk bootable. Copying COMMAND.COM alone leaves out the hidden files, so the disk still will not start.

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