computer history By keegan300 Jan 1, 1823 Differenceengine Period: Jan 1, 1950 to Jan 1, 2012 computer history Jan 1, 1970 CASET Oct 4, 1980 Laserdisc much more bigger than a cd. was used for video and data storage Jan 1, 1982 1982 Jan 1, 1983 Hard Drive HDD Jan 24, 1984 Apple Macintosh Jan 13, 2000 USB Sep 21, 2012 iPHONE 5
