Apple co-founder Steven Wozniak gives some great insights on early Apple, Mac, Windows, Microsoft, etc. (excerpt from History Channel's "Creation of the Computer" documentary.) 5 mins.
The Apple 1 microcomputer was first previewed during a May 1976 meeting of the "Homebrew Computer Club."
The Apple 1 system specs included a 1 MHz 6502 CPU, 4 KB of RAM (expandable to 8 KB), and BASIC programming language on a cassette tape.
The Apple 1 system board sold for $666.66 with 4 KB of RAM.