Hollerith Code

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August 31, 2024 3 min read Definitions
Hollerith Code: Representation of Data in Keypunch Machines
History Technology Hollerith Code Data Processing Keypunch Machines Encoding Systems Tabulating Machines
Hollerith Code refers to the coding system used in keypunch machines for representing data, pioneered by Herman Hollerith in the 19th century. This encoding method revolutionized data processing, especially in tabulating machines used for census and other large-scale data operations.
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August 25, 2024 3 min read Definitions
Keypunch: A Historical Data Entry Method
Technology History Data-Entry Keypunch Punched Cards Hollerith Code Historical Technology
Keypunch involves punching holes into 80-column computer cards with a machine-readable code. This method has been replaced by modern electronic keyboard technology.
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