The system 1 Microcomputer dates from 1979, it uses a MOS 6502 CPU with a clock speed of 1 MHz. Memory consists of RAM 1KB and ROM 512 bytes. This was Acorns first product. If you have never heard of Acorn its probably because they no longer use that name. Read more
The Microtan 65 was introduced in 1979 and was sold as a kit for a very reasonable price of £59.95 + postage (pictured advert is September 1980). The CPU is a MOS 6502 running at 0.75MHz. It has 1Kb RAM. Input was through a small keypad with 20 keys or Read more
This strange “Computer in a Book” idea is from 1976. It was designed to train people how to program. It is classed as a Single-Board computer, with 1k of RAM and ROM. It uses an Intel 8080 CPU.