The bit bucket was originally the container on teletype machines or IBM key punch machines into which chad from the paper tape punch or card punch was deposited. In theory, the bit bucket was full of '1' bits, the '0' bits being represented by the places on the paper tape or punched card that the punch had not punched out. Containers in the port of Kotka (Finland) on the Baltic Sea. ... Teletype machines in World War II A teleprinter (teletypewriter, teletype or TTY) is a now largely obsolete electro-mechanical typewriter which can be used to communicate typed messages from point to point through a simple electrical communications channel, often just a pair of wires. ... International Business Machines Corporation (IBM, or colloquially, Big Blue; NYSE: IBM) is a computer technology firm headquartered in Armonk, NY, USA. The company, which was founded in 1888 and incorporated June 15, 1911, manufactures and sells computer hardware, software, infrastructure services, hosting services, and consulting services. ... A key punch is a machine for manually entering data onto punch cards. ... A roll of punched tape Punched tape is an old-fashioned form of data storage, consisting of a long strip of paper in which holes are punched to store data. ... The punch card (or Hollerith card) is a recording medium for holding information for use by automated data processing machines. ...