Small cap :))
They are used interchangeably but there is a subtle difference. A stock exchange is an association formed to buy and sell securities or the physical location where this association operates, such as...
If you mean BET Networks, it is a division of Viacom Inc., which is listed on the NYSE as VIA and VIA.B.
It is called the Uganda Securities Exchange.
I don't believe there is. New York is the only one in the U.S.A. The three main ones are New York, Tokyo, and London.