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
Charles B. Brooks for his city. Brooks also received a third patent for what he called a “ticket punch” on October 31, 1893 (US Patent #507,672), an early example of a paper punch, unique for its time because unlike hole punchers of today, his had a built-in receptacle to catch the round pieces of waste paper there and prevent littering. Charles B. Brooks Charles B. Brooks (1865-?) was an African-American inventor. Born in Virginia in 1865, by the 1890s he was a resident of Newark, New Jersey. Besides inventing Brooks was also a porter for the Pullman Palace Car Company. Unlike other sweepers