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on this day · 1980

12 August 1981: IBM introduces the PC 5150

On 12 August 1981, IBM introduced the 5150. Its importance lies not only in the machine itself: the later opening of its ecosystem, the spread of compatibles, and the presence of MS-DOS helped make “PC” a central reference in personal computing.

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history · pre-1950

Before Tape: How Early Television Was Preserved

Early regular broadcasts faced a fundamental problem: how to keep a programme designed to vanish once it had aired. The available evidence identifies motion-picture film as the only recording medium until 1956, making it possible to examine what that limitation meant for delayed transmission, archives and television memory.

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analysis · contemporary

Digitisation Is Not Enough: The Context a Museum Must Preserve

A digital copy can broaden access to a collection, but it cannot by itself replace the documentation explaining what an object is, where it came from, and how it reached a museum. This editorial guide examines the value of metadata, archives, and digital narratives in preserving technology and material culture without losing meaning.

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analysis · 1970

The 1970s and the Arrival of the Personal Computer

The collected sources place the emergence, growth, and early consolidation of the personal-computer market in the 1970s. This analysis separates the claims supported by the evidence—microprocessors, the “1977 Trinity,” the Unix era, and the later compatible-PC ecosystem—from the usual simplifications of milestone-based narratives.

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