The BBC Micro was the computer Acorn Computers built in 1981 as the hardware centerpiece of the BBC Computer Literacy Project, a national effort by the British Broadcasting Corporation to teach computing to the general public. The “BBC Microcomputer System User Guide,” written by John Coll with David Allen and published by Acorn Computers Limited, is the official manual for the machine and is archived in full at the Internet Archive. It documents a computer designed less as a toy than as a teaching instrument tied to a television series and a curriculum.
Acorn designed the BBC Micro to be capable and expandable. It shipped with a fast, well-regarded BASIC interpreter that included structured features and an inline assembler, and it offered a range of ports and expansion connectors that let it grow with the user. That combination of a strong built-in language and serious expansion made it durable and well suited to classrooms, where it could be programmed, networked, and connected to laboratory and control equipment.
Backed by the BBC’s reach and adopted widely by the British education system, the BBC Micro became a standard fixture in UK schools through the 1980s. For a large share of British children, it was the machine on which they first wrote a program, often by keying in type-in listings from books and magazines. Its association with the literacy project gave it an authority that few competing home computers enjoyed.
The BBC Micro’s most far-reaching legacy came from its maker. While developing successors to the machine, Acorn designed its own processor, the Acorn RISC Machine, to power the next generation of computers. That processor evolved into the ARM architecture, which went on to dominate mobile and embedded computing worldwide. The BBC Micro thus connects a 1980s school computer directly to the chips inside billions of later phones and devices.