Punched tape - Wikipedia

The Evolution of Databases: A Historical Deep Dive — Part 1: Database Origins: From Ancient Libraries to Digital Records, by Keita Mitsuhashi, Morph Blog

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Punched Tape

PC11 High-Speed Paper-Tape Reader/Punch Control - Computer History Wiki

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Baudot code

PDF) Implementation of CNC Machine Prototype Targeted for Lesotho Industrial Manufacturing Applications

What were punch cards and how did they change business?

Taking patch management to the next level with automation

Can a compiler be implemented with the help of two or more programming languages? - Quora

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