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A punched card (also punch card [1] or punched-card [2]) is a piece of card stock that stores digital data using punched holes. Punched cards were once common in data processing and the control of automated machines .
Perforated punch card. The edges of film stock are perforated to allow it to be moved precise distances at a time continuously. Similarly, punched cards for use in looms and later in computers input and output devices in some cases were perforated to ensure correct positioning of the card in the device, and to encode information.
Sheets of perforated paper. Perforated paper is a craft material of lightweight card with regularly spaced holes in imitation of embroidery canvas. It is also sometimes referred to as punched paper. Perforated paper is most commonly embroidered with cross stitch motifs and borders. Typical uses for such items include ornaments to decorate ...
Inside you’ll find 176 perforated, unlined pages attached to a spiral insert — making it great for note taking or journaling. ... Clairebella Maya Monogrammed Playing Cards $34.00 at ...
Punched tape or perforated paper tape is a form of data storage device that consists of a long strip of paper through which small holes are punched. It was developed from and was subsequently used alongside punched cards , the difference being that the tape is continuous.
Jacquard cards were said to be stamped or cut, rather than punched. The first Jacquard cards were stamped by hand, sometimes using a guide plate. An improvement involved placing the card between two perforated metal plates, hinged together, inserting punches according to the desired pattern, and then passing the assembly through a press to cut the card.
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