Microprocessors (Animated Presentation) ©Richard L. Goldman April 25, 2002 ©Richard L. Goldman

1971 – Intel 4004 chip – 4 bit processor, 60,000 processes per second 1975 – Microsoft founded 1977 – Apple IIe, Commodore, and Tandy 1981 – Intel 8088 chip – 8 bit processor – First IBM PC – 4.77MHz 1981 – Intel 8086 chip – 16 bit processor 1982 – Intel 80286 chip – 16 bit processor – IBM AT (First was 6MHz) 1985 – Intel 80386 chip – 32 bit processor – IBM PS/2 80 1984 – Macintosh (Tandy 1000 is #1 seller) 1989 – Intel 80486 chip – 32 bit processor – 33MHz & 50MHz, 5v 1990 – Windows is introduced (3.0) 1992 – Windows 3.1 1993 – Intel Pentium (P5 – 80586) 1995 – Intel Pentium Pro (P6) 1997 – Intel Pentium II ©Richard L. Goldman