Video game and the hit ping pong-style "Pong", a 1972 game by Atari. Each game used different means of display: NIMROD used a panel of lights to play the game of Nim, OXO used a graphical display to play tic-tac-toe "Tennis for Two" used an oscilloscope to display a side view of a tennis court, and "Spacewar!" used the DEC PDP-1's vector display to have two spaceships battle each other. In 1971, "Computer Space", created by Nolan Bushnell and Ted Dabney, was the first commercially sold, coin-operated video game. It used a black-and-white television for its display, and the computer system was
Nolan Bushnell restaurant executive and focused on Catalyst Technologies. Through 1981 and 1982, Bushnell concentrated on PTT subsidiaries Sente Technologies and Kadabrascope. Sente was a reentry into the coin-operated game business. Arcade cabinets would have a proprietary system and a cartridge slot developed by Data East Corporation, so operators could refresh their games without having to buy whole new cabinets. Kadabrascope was an early attempt at computer assisted animation. In 1983 as the restaurants started to lose money, Sente, though profitable, was sold to Bally for $3.9 million and Kadabrascope was sold to Lucas which became the beginnings of what became Pixar.