Definitions for "RNG"
Keywords:  random, bingo, slot, fewest, randomly
Ring Indicate. An RS232 input line that is generally held high by a modem while the telephone is ringing. See also: RS232
RNG stands for Random Number Generator and is the electronic machine used to pick the numbers for a game of offline bingo.
Random Number Generator; the machine used to pick the numbers for a game of bingo. Most are electronic.