From Tube to Chip By Mr Lawrence 1895 Jean B. Perring discovered Cathode Rays 1904 Fleming sees that diode can convert AC into DC 1904 Fleming's Diode was known as Vacuum Tube 1906 Lee De Forest's audion is also called a Triode 1926 Philo T. Fansworth produces the first television image 1946 ENIAC was completed 1947 Bell Labs invented Transistor which replaced Vacuum Tube 1954 Bell Labs builds first functional Solar Cell 1955 ENIAC is no longer used 1958 Bell Labs pioneer the concept of Laser 1958 First integrating circuit was invented by Jack Kilby at Texas Instrument 1961 U.S. Patent Office awards the first patent o an integrated circuit to Robert Noyce 1962 Bell Labs builds and lauches the First Satellite 1968 Robert Noyce and 2 other top engineers resigned from Fairchild Semiconductor 1969 Busicom chose Hoff's solution over its own 12-chip design Period: 1969 to 1972 Unix operating system & C programming language 1971 Intel and Busicom agreed that in exchange for cheaper chip prices for Busicom, Intel would gain full right to sell the chips to anyone 1971 Intel's build 4004 integrated CPU, "a computer on a chip", and touched the top 1975 MITS build Atlair 8800 based on 8080 CPU, the first "personal" computer 1976 Apple-1 was demonstrated in April and went on sale on July 1978 Intel's build 8086, the first 16-bit processor 1981 IBM personal computer 1982 Intel build 80286 and touched the bottom