The history of poker is a matter of debate. One of the earliest known games to incorporate betting, hand rankings, and bluffing was the 15th century German game Pochspiel. Poker closely resembles the Persian game of As Nas, though there is no specific description of nas prior to 1890.[2] In the 1937 edition of Foster's Complete Hoyle, R. F. Foster wrote: "the game of poker, as first played in the United States, five cards to each player from a twenty-card pack, is undoubtedly the Persian game of as nas."[3][4] By 1990s some gaming historians including David Parlett started to challenge the notion that poker is a direct derivative of As Nas.[3] There is evidence that a game called poque, a French game similar to poker, was played around the region where poker is said to have originated. The name of the game likely descended from the Irish Poca (Pron. Pokah) ('Pocket') or even the French poque, which descended from the German pochen ('to brag as a bluff' lit. 'to knock'[5] ). Yet it is not clear whether the origins of poker itself lie with the games bearing those names. It is commonly regarded as sharing ancestry with the Renaissance game of primero and the French brelan. The English game brag (earlier bragg) clearly descended from brelan and incorporated bluffing (though the concept was known in other games by that time).[6] It is quite possible that all of these earlier games influenced the development of poker as it exists now.

A video game is an electronic game that involves interaction with a user interface to generate visual feedback on a video device. The word video in video game traditionally referred to a raster display device.[1] However, with the popular use of the term "video game", it now implies any type of display device. The electronic systems used to play video games are known as platforms; examples of these are personal computers and video game consoles. These platforms are broad in range, from large computers to small handheld devices. Specialized video games such as arcade games, while previously common, have gradually declined in use.

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