History of Computers By jonatangon.61 Jan 1, 1937 Bell Laboratories scientist George Stibitz uses relays for a demonstration adder Apr 21, 1939 Hewlett-Packard is founded Jun 21, 1940 The Complex Number Calculator (CNC) is completed Oct 3, 1941 Konrad Zuse finishes the Z3 Computer May 5, 1942 The Atanasoff-Berry Computer (ABC) is completed Feb 3, 1943 Bell Labs Relay Interpolator is completed Nov 19, 1944 First Colossus operational at Bletchley Park May 9, 1945 John von Neumann writes First Draft of a Report on the EDVAC Oct 5, 1948 First Computer Program to Run on a Computer Dec 3, 1950 ERA 1101 introduced Apr 5, 1960 DEC PDP-1 introduced Apr 14, 1961 IBM 7030 (“Stretch”) completed Oct 10, 1964 HP introduces the HP 2116A Aug 9, 1975 MITS Altair 8800 kit appears in Popular Electronics Feb 5, 1976 Steve Wozniak completes the Apple-1 Jul 21, 1977 Apple II introduced May 31, 1983 Apple introduces the Lisa computer Jun 3, 1989 Compaq introduces the Deskpro 386 system Sep 2, 1989 Intel introduces the 80486 microprocessor Apr 5, 1998 The iMac, a range of all-in-one Macintosh desktop computers, is launched Feb 5, 2000 First camera phone introduced Jul 26, 2002 Earth Simulator is world's fastest supercomputer May 9, 2005 Arduino Mar 1, 2007 The Amazon Kindle is released Dec 2, 2008 The MacBook Air is released May 5, 2009 IBM's Roadrunner supercomputer is completed Jun 1, 2010 Apple Retina Display Aug 5, 2011 The Apple iPad is released Sep 15, 2012 Raspberry Pi, a credit-card-size single board computer, is released as a tool to promote science education Apr 28, 2015 Apple Watch
