Hardware History Timeline By AlmightyJust Period: Aug 29, 1940 to Aug 29, 1956 The Fist Generation Of Computers The first computers used vacuum tubes for circuitry and magnetic drums for memory, and were often enormous, taking up entire rooms Jan 1, 1946 Vacuum Tubes are used for the 1st generation is used Jan 26, 1954 Transistor is developed Period: Sep 17, 1956 to Sep 17, 1964 Second Generation of Computers Sep 20, 1956 Transistors are used Sep 20, 1958 Intergrated Circuits are developed Period: Sep 17, 1964 to Sep 17, 1971 Third Generation of Computers Sep 20, 1964 Intergrated circuits is used Sep 20, 1970 Microprocessors are developed Period: Sep 17, 1971 to Sep 17, 2013 Fourth Generation Of Computers Sep 20, 1971 Microprocessors are used
