Examples of tabulation in the following topics:
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- Early electric data processing was done by running punched cards through tabulating machines, the holes in the cards allowing electrical contact to incremental electronic counters.
- Tabulating machines were in a category called "unit record equipment," through which the flow of punched cards was arranged in a program-like sequence to allow sophisticated data processing.
- The first digital computers were more productive than tabulating machines, but not by a great amount.
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