Null Modem?

Soldato
Joined
26 Apr 2003
Posts
5,746
Location
West Midlands
One of the questions for my assignment is "Explain why the cable connecting the two COM ports is referred to as a “null modem” cable". I know how a null modem works etc but I just can't find why it is called a null modem. Does anybody know?

EDIT: Is it possible to share a Dial-up connection between two computers?
 
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