Question
Edge-punched card
Answer :
Word Count : 261
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Skip in 10
Edge-punched cards are an early mechanical data storage and retrieval system that played a significant role in plant ecology and taxonomy before the advent of computers. These cards were made of stiff paper with a series of holes punched along their edges, each hole corresponding to a particular character or attribute of a plant, such as habitat, morphological traits, geographical distribution, or taxonomic position. By selectively notching or punching specific holes, large amounts of information could be encoded in a compact and standardized form. In plant taxonomy, edge-punched cards were especially useful for handling large collections of species data.
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