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card punch

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
card punch
n
1. (Electronics & Computer Science / Computer Science) a device, no longer widely used, controlled by a computer, for transferring information from the central processing unit onto punched cards Compare card reader
2. (Electronics & Computer Science / Computer Science) another name for key punch


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continuous forms control tape, start, halt, end of file codes, on-line card punch.
For instance, some card punch machines are designed to make round corners that are needed for many styles, some make round holes and others make slots.
 
 
 
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