Keypunch machine | Article about keypunch machine by The Free Dictionary
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keypunch machineA punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station. As characters were typed, a series of dies at the punch station punched the appropriate holes in the selected card column.
|This is the type of IBM keypunch machine used in the 1960s and 1970s. Operators by the tens of thousands would spend a full shift keypunching orders, time cards and a host of other transactions. (Image courtesy of IBM.)|
|The First One|
|Throughout the 1890s, data for 60 million Americans was punched into Hollerith cards from information recorded by census takers. The cards were then "automatically" counted. See Hollerith machine for more details. (Image courtesy of IBM.)|
References in periodicals archive
When students refused to use keypunch machines
, I studied computerphobia.
Hospitals had 029 keypunch machines
, racks of keypunch cards, and reams of coding sheets for correcting errors.
Much like the keypunch machines
they eventually replaced, the first editors worked on one line at a time because mainframes of that era generally did not have display screens, just line-feed printers that printed plain text on paper.