Punched card available, e.g. "80-column card". A sequence of cards that is input to or output from some step in an application's processing is called a "card deck" or simply "deck". The rectangular, round, or oval bits of paper punched out were called chad ("chads") or "chips" (in IBM usage). Sequential card columns allocated for a specific use, such as names, addresses, multi-digit numbers, etc., are known as a "field". The first card of a group of cards, containing fixed or indicative information for that group, is known as a "master card". Cards that are not master cards are "detail cards". The
Hole carding Below is a sample blackjack, partial hole card hit/stand table for two decks. The columns are based on the dealer upcard and the rows based on the player hand. Partial hole card tables contain ten columns as you do not know the dealer total hand for certain. A different set of tables must be used depending on the information about the hole card. In this table, the hole card is a six or seven. Green denotes a hit. You will note that this table bears little resemblance to a standard blackjack strategy. Hole carding generally refers to knowing the dealer’s