1 : the act of conducting or conveying. 2a : transmission through or by means of a conductor; also : the transfer of heat through matter by communication of kinetic energy from particle to particle with no net displacement of the particles â compare convection, radiationb : conductivity.
The name ping-pong was in wide use before English manufacturer J. Jaques & Son Ltd trademarked it in 1901. The name Ping-Pong then came to be used for the game played by the rather expensive Jaques equipment, with other manufacturers calling theirs table tennis.
When first launched in Japan in 1979 by Namco, the game received a lukewarm response, as Space Invaders and other similar games were more popular at the time     Answer   PacMan was invented by twenty-seven-year-old Turn Iwatani in 1980.