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The Electronics Portal

Modern surface-mount electronic components on a printed circuit board, with a large integrated circuit at the top.

The field of electronics is a branch of physics and electrical engineering that deals with the emission, behaviour and effects of electrons using electronic devices. Electronics uses active devices to control electron flow by amplification and rectification, which distinguishes it from classical electrical engineering, which only uses passive effects such as resistance, capacitance and inductance to control electric current flow.

Electronics has hugely influenced the development of modern society. The central driving force behind the entire electronics industry is the semiconductor industry sector, which has annual sales of over $481 billion as of 2018. The largest industry sector is e-commerce, which generated over $29 trillion in 2017. ( Full article...)

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Inside of a common light switch.

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Nikola Tesla (10 July 1856 - 7 January 1943) was an inventor, electrical and mechanical engineer known for his patents and theoretical work that contributed to modern alternating current electric power (AC) systems, including the polyphase power distribution systems and the AC induction motor. His contribution was recognized and the derived SI unit measuring magnetic flux density or magnetic induction (commonly known as the magnetic field ), the tesla, was named in his honor.

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Mainframes are computers used mainly by large organizations for critical applications, typically bulk data processing such as census, industry/consumer statistics, ERP, and financial transaction processing.

The term originated during the early years of computing and referred to the large mechanical assembly that held the central processor and input/output complex. Later the term was used to distinguish high-end commercial machines from less powerful units which were often contained in smaller packages. Today, this term refers primarily to IBM System z9 mainframes, the lineal descendants of the System/360, but it is also used for the lineal descendents of the Burroughs large systems and the UNIVAC 1100/2200 series mainframes.

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Bose headphones are a family of headphone products sold by the Bose Corporation. The company pioneered the development of headphones that use active noise cancellation technology. It took Bose about 10 years to develop the first QuietComfort Headphones, released in 1989. The current revision provides active equalization as well as active noise reduction.

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