ibm card
An IBM card refers to a specific type of punched card developed by IBM in the mid-20th century. It consists of rectangular pieces of stiff paper or cardboard with holes punched in specific positions to represent data. These cards were mainly used for data storage, processing, and input/output in early computing systems. IBM cards were widely used during the early days of computer technology for data entry and storage purposes. They played a significant role in data processing and computing operations before the advent of more advanced storage media.
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