paper for punched cards

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• Punched card — Overpunch redirects here. For the code, see Signed overpunch. A punched card, punch card, IBM card, or Hollerith card is a piece of stiff paper that contains digital information represented by the presence or absence of holes in predefined… …   Wikipedia

• Paper data storage — refers to the storage, on paper, of data that can be interpreted by a machine or is the result of the functioning of a machine. A defining feature of paper data storage is the ability of humans to produce it with only simple tools and interpret… …   Wikipedia

• Punched tape — Five hole and eight hole punched paper tape Punched tape or paper tape is an obsolete form of data storage, consisting of a long strip of paper in which holes are punched to store data. It was widely used during much of the twentieth century for… …   Wikipedia

• punched tape — noun Etymology: from past participle of punch (I) : paper tape punched with holes in such a way as to convey information * * * Computers. See paper tape. [1880 85] * * * punched tape noun (computing) Same as ↑ …   Useful english dictionary

• Computer programming in the punched card era — Punched card from a Fortran program. From the invention of computer programming languages up to the mid 1980s, many if not most computer programmers created, edited and stored their programs on punched cards. The practice was nearly universal… …   Wikipedia

• Chad (paper) — Chads from punched cards. Each chad is about 1/8 inch (3 mm) long …   Wikipedia

• 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. When the …   Wikipedia

• Computer data storage — 1 GB of SDRAM mounted in a personal computer. An example of primary storage …   Wikipedia

• Digital permanence — addresses the history and development of digital storage techniques specifically quantifying the expected lifetime of data stored on various digital media and the factors which influence the permanence of digital data. It is often a mix of… …   Wikipedia

• computer memory — memory (def. 11). * * * Introduction       device that is used to store data or programs (sequences of instructions) on a temporary or permanent basis for use in an electronic digital computer. Computers represent information in binary code,… …   Universalium

• Computer — For other uses, see Computer (disambiguation). Computer technology redirects here. For the company, see Computer Technology Limited. Computer …   Wikipedia