what it stands for?
National Broadcasting Company
NBC
The National Broadcasting Company (NBC) is an American English-language commercial terrestrial radio and television network owned by NBCUniversal, a subsidiary of Comcast. 
how much can you wager in final jeopardy 13, 420, and 911 who developed it? Merv Griffin how many levels does it have? Three is it a game that can be played on a given platform? It is a television game show featuring a quiz competition who hosts it? Alex Trebek what does the winner get? They are paid their winnings in cash which channel does broadcast it? NBC
wiki:25654521
NBC [SEP] Introduction
The National Broadcasting Company (NBC) is an American English-language commercial terrestrial radio and television network owned by NBCUniversal, a subsidiary of Comcast. The network is headquartered at 30 Rockefeller Plaza in New York City, with additional major offices near Los Angeles (at 10 Universal City Plaza), Chicago (at the NBC Tower), and Philadelphia (at the Comcast Technology Center). NBC is one of the Big Three television networks, and is sometimes referred to as the "Peacock Network", in reference to its stylized peacock logo, introduced in 1956 to promote the company's innovations in early color broadcasting; it became the network's official emblem in 1979.