A Card Reader is a machine designed to read punched cards and convert the encoded holes into electrical signals for further processing in computing systems.
Punched cards are early data storage devices that encode information through a series of holes punched in predetermined positions.
A comprehensive overview of the tabulating machine, an early computational device used predominantly in the 19th and 20th centuries to summarize and process information encoded on punched cards.
Keypunch involves punching holes into 80-column computer cards with a machine-readable code. This method has been replaced by modern electronic keyboard technology.
