Disc Operating System (DOS)
While working with MS-DOS, which command is used to compare the disk in drive A with the disk in drive B, specifying to compare only first side of each disk, and only the first 8 sectors of each track?

DISKCOMP A: B:/l/8
DISKCOMP A: B:/l
DISKCOPY A: B:/8
DISKCOMP A: B:/8

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Disc Operating System (DOS)
Which of the following applies to external DOS commands?

External commands are stored on disk separately from COMMAND.COM
External commands reside in RAM until called
External commands can only be executed from a batch file.
External commands must always be used with the /e switch

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