Computers By HC12345 Dec 1, 1943 Colossus Mark 1 Period: Dec 1, 1943 to Oct 14, 2011 Computers 20th Century - Present Day Jun 1, 1944 Colossus Mark 2 Feb 24, 1955 Steve Jobs' Birth Oct 28, 1955 BIll Gates' Birth Jan 1, 1971 Floppy Disk Apr 4, 1975 Microsoft Established Apr 1, 1976 Apple Established Jul 1, 1976 Apple I Apr 1, 1977 Apple II Nov 20, 1984 Microsoft Windows Oct 23, 2001 iPod Nov 15, 2001 Xbox 360 Nov 11, 2006 PS3 Oct 5, 2011 Steve Jobs' Death Oct 14, 2011 iPhone 4S
