Discussion
Which DOS command will configure a serial printing port?
Answer: B
Correct answer: Mode LPT1=COM1
MODE LPT1=COM1 redirects output sent to the first parallel port so that it goes to the first serial port instead, which is what allows a program that only knows how to print to LPT1 to drive a serial printer. The serial line’s speed and parity are set with a separate MODE command.
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