August 1977
TRS-80 Model I released
Radio Shack began selling the TRS-80 Model I in August 1977 — bringing personal computing to its nationwide retail chain.
What it was for
The 'Trash-80' ran Level I BASICBeginner's All-purpose Symbolic Instruction Code — an early programming language designed for ease of learning. on a Z80 with cassette storage and optional floppy diskRemovable magnetic storage on a flexible disk — the main way PCs exchanged files before USB and the web. drives. Radio Shack's store footprint put PCPersonal computer — a computer designed for individual use, especially desktop or laptop machines.s in suburban malls — not just computer fairs. Developers wrote business software, games, and magazine type-in programs; the platform trained hobbyists who later moved to IBMInternational Business Machines — a major computer and enterprise technology company since the early 20th century. compatibles.
Why it's here
The TRS-80 was the first mass-retail personal computer sold through a national electronics chain.
Why it mattered
It proved consumer electronics stores could move complete computer systems at scale.
What it solved
Personal computers were sold through niche mail-order and hobby shops with little mainstream reach.
Media
ImageTRS-80Rama & Musée Bolo, CC BY-SA 2.0 fr, via Wikimedia Commons
Related
- Apple II introducedApril 16, 1977
- Commodore PET 2001 releasedJanuary 1977
- Altair 8800 releasedJanuary 1975
- IBM PC 5150 releasedAugust 12, 1981