In the early 1970s, when video poker was introduced and was still struggling for acceptance, the machines were usually referred to as "poker slots." And video poker has a lot in common with slot machines. They are easy to use, requiring no interaction with a dealer or with other players. Card combinations, like slot reels, are governed by a random-number generator.
Video poker started to appear in 1989 when the Card Bell was developed. This game was a poker machine that paid players instantly by using combinations such as a straight, a flush and so on. In the improved design of the machine, the Skill Draw, a major feature was added — the Hold. The Hold feature has become an integral part of the video poker game of today.
A straight is a hand with consecutive ranks, like 9? 7? 10? 8? 6?. Notice again that the cards don't have to appear in order. The order of face cards, from lowest to highest, is Jack, Queen, King, Ace, which we abbreviate J, Q, K, A. An ace can also count as 1, to complete a straight where the other cards are 2, 3, 4, and 5. But it can't count as both a low and a high card, e.g., Q K A 2 3.