8bit Soup - Acorn Atom (1980) - Acorn Computer Ltd Chief Designer - (Roger) Sophie Wilson https://en.wikipedia.org/wiki/Acorn_Atom Shop - http://bit.ly/2Z7sQ6F The Atom is built around the 6502 microprocessor, which ran at 1MHz.
Computer memory - Simple English Wikipedia, the free encyclopedia
Computer memory - Wikipedia
Dual-ported video RAM - Wikipedia
Virtual memory - Wikipedia
How to Find Out the Maximum RAM Capacity for Your Computer
Raspberry Pi - Wikipedia
IBM 11D1320PA-70 4MB 1M x 32 Ram Memory Stick | eBay