Technology from 1920 - 1993 By Sadhana 1920 Commercial Radios 1921 Wirephotos 1927 Televisions 1939 Digital Computers 1947 Polaroid Cameras 1951 UNIVAC 1 A commercial computer 1964 Operating Systems 1965 Minicomputers 1972 Video Games 1975 Microsoft 1976 Super Computers 1983 PCs 1988 Graphic User Interfaces 1993 Search Engines
