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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 .
Later, card readers that read cards serially, column by column became more common. Card punches necessarily run more slowly to allow for the mechanical action of punching, up to around 300 CPM or 400 characters per second. [5] Some card devices offer the ability to interpret, or print a line on the card displaying the data that is punched ...
Quick change tool system, plug and punch (left: die; front: punch, split punch retainer; back: tool body; right: punch guide) The linear tool carrier (y-axis) has several stations that hold the punching tools and one cutting tool. Especially for flexibility and efficient processing are set up times a crucial cost factor.
Chinese immigrants to the nation grew from 150,447 in 1990 to 448,566 in 2015 to make up 18% of the foreign-born population, next to Malaysian immigrants at 44%. [105] The xenophobia towards mainland Chinese is reported to be particularly severe compared to other foreign residents, [ 106 ] as they are generally looked down on as country ...
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