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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 .
Card stock, also called cover stock and pasteboard, is paper that is thicker and more durable than normal writing and printing paper, but thinner and more flexible than other forms of paperboard. Card stock is often used for business cards , postcards , playing cards , catalogue covers, scrapbooking , and other applications requiring more ...
In inventory management, a stock keeping unit (abbreviated as SKU, pronounced es-kay-YOO or SKEW [1]) is the unit of measure in which the stocks of a material are managed.It is a distinct type of item for sale, [2] purchase, or tracking in inventory, [3] such as a product or service, and all attributes associated with the item type that distinguish it from other item types (for a product ...
Stock ticker machines are an ancestor of the modern computer printer, being one of the first applications of transmitting text over a wire to a printing device, based on the printing telegraph. This used the technology of the then-recently invented telegraph machines , with the advantage that the output was readable text, instead of the dots ...
A ticker symbol or stock symbol is an abbreviation used to uniquely identify publicly traded shares of a particular stock or security on a particular stock exchange. Ticker symbols are arrangements of symbols or characters (generally Latin letters or digits) which provide a shorthand for investors to refer to, purchase, and research securities.
An index card in a library card catalog.This type of cataloging has mostly been supplanted by computerization. A hand-written American index card A ruled index card. An index card (or record card in British English and system cards in Australian English) consists of card stock (heavy paper) cut to a standard size, used for recording and storing small amounts of discrete data.
See also References External links A Accelerated Graphics Port (AGP) A dedicated video bus standard introduced by INTEL enabling 3D graphics capabilities; commonly present on an AGP slot on the motherboard. (Presently a historical expansion card standard, designed for attaching a video card to a computer's motherboard (and considered high-speed at launch, one of the last off-chip parallel ...
A computer keyboard is a built-in or peripheral ... punched cards and paper ... from the keyboard across telegraph lines to stock ticker machines to be ...