1947 ⟶ First Public Demonstration of the Transistor
November – December: Three Bell Labs engineers give the firs...
Year
1927
1947
1971
1975
⏱️ Quartz Clock Invention
The quartz clock is invented by Warren Marrison and J.W. Horton at Bell Telephone Laboratories.⟶
TimekeepingPrecisionElectronics
United States💡 First Public Demonstration of the Transistor
November – December: Three Bell Labs engineers give the first public demonstration of the transistor, an electrical component that could control, amplify, and generate current.⟶
ElectronicsSemiconductorsBell LabsDigital RevolutionMicrochipPost-War
United States💡 First Transistor Invented at Bell Labs
The first transistor, a bipolar point-contact transistor, is invented by John Bardeen and Walter Brattain under the supervision of William Shockley at Bell Labs.⟶
ElectronicsBell LabsSemiconductorsDigital Revolution
United States💻 Intel 4004 Microprocessor Invented
The first single-chip microprocessor, the Intel 4004, is invented. Its development was led by Federico Faggin, using his silicon-gate MOS technology. This led to the personal computer (PC) revolution.⟶
Computer ScienceDigital RevolutionPersonal ComputerElectronics
United States💻 Altair 8800 Personal Computer Released
January: Altair 8800, the first commercially successful personal computer, is released.⟶
Personal ComputerDigital RevolutionSoftwareHardwareElectronics
United States