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Bernie the Brain (1950) | World's first tic-tac-toe video game | Computer Game | Gameplay

Title:- Bernie the Brain (1950) | World's first tic-tac-toe video game | Computer Game | Gameplay

Designer(s):- Josef Kates

Platform(s):- Computer game

Release:- August 25, 1950

Genre(s):- Tic-tac-toe

Mode(s):- Single-player

Description:- Bertie the Brain was an early computer game, and one of the first games developed in the early history of video games. It was built in Toronto by Josef Kates for the 1950 Canadian National Exhibition. The four meter (13 foot) tall computer allowed exhibition attendees to play a game of tic-tac-toe against an artificial intelligence. The player entered a move on a lit keypad in the form of a three-by-three grid, and the game played out on a grid of lights overhead. The machine had an adjustable difficulty level. After two weeks on display by Rogers Majestic, the machine was disassembled at the end of the exhibition and largely forgotten as a curiosity.

Kates built the game to showcase his additron tube, a miniature version of the vacuum tube, though the transistor overtook it in computer development shortly thereafter. Patent issues prevented the additron tube from being used in computers besides Bertie before it was no longer useful. Bertie the Brain is a candidate for the first video game, as it was potentially the first computer game to have any sort of visual display of the game. It appeared only three years after the 1947 invention of the cathode-ray tube amusement device, the earliest known interactive electronic game to use an electronic display. Bertie's use of light bulbs rather than a screen with real-time visual graphics, however, much less moving graphics, does not meet some definitions of a video game.

History:- Bertie the Brain was a computer game of tic-tac-toe, built by Dr. Josef Kates for the 1950 Canadian National Exhibition. Kates had previously worked at Rogers Majestic designing and building radar tubes during World War II, then after the war pursued graduate studies in the computing center at the University of Toronto while continuing to work at Rogers Majestic. While there, he helped build the University of Toronto Electronic Computer (UTEC), one of the first working computers in the world. He also designed his own miniature version of the vacuum tube, called the additron tube, which he registered with the Radio Electronics Television Manufacturers' Association on 20 March 1951 as type 6047. 

After filing for a patent for the additron tube, Rogers Majestic pushed Kates to create a device to showcase the tube to potential buyers. Kates designed a specialized computer incorporating the technology and built it with the assistance of engineers from Rogers Majestic. The large, four meter (13 foot) tall metal computer could only play tic-tac-toe and was installed in the Engineering Building at the Canadian National Exhibition from 25 August–9 September 1950.

The additron-based computer, labeled as "Bertie the Brain" and subtitled "The Electronic Wonder by Rogers Majestic", was a success at the two-week exhibition, with attendees lining up to play it. Kates stayed by the machine when possible, adjusting the difficulty up or down for adults and children. Comedian Danny Kaye was photographed defeating the machine (after several attempts) for Life magazine.

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Gameplay:- Bertie the Brain was a game of tic-tac-toe in which the player would select the position for their next move from a grid of nine lit buttons on a raised panel. The moves would appear on a grid of nine large squares set vertically on the machine as well as on the buttons, with either an X- or O-shaped light turning on in the corresponding space.

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