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Electronic Color Code
An electronic color code or electronic colour code (see spelling differences) is used to indicate the values or ratings of electronic components, usually for resistors, but also for capacitors, inductors, diodes and others. A separate code, the 25-pair color code, is used to identify wires in some telecommunications cables. Different codes are used for wire leads on devices such as transformers or in building wiring. History Before industry standards were established, each manufacturer used their own unique system for color coding or marking their components. In the 1920s, the RMA resistor color code was developed by the Radio Manufacturers Association (RMA) as a fixed resistor coloring code marking. In 1930, the first radios with RMA color-coded resistors were built. Over many decades, as the organization name changed (RMA, RTMA, RETMA, EIA) so was the name of the code. Though known most recently as EIA color code, the four name variations are found in books, magazine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American And British English Spelling Differences
Despite the various English dialects spoken from country to country and within different regions of the same country, there are only slight regional variations in English orthography, the two most notable variations being British and American spelling. Many of the differences between American and British English date back to a time before spelling standards were developed. For instance, some spellings seen as "American" today were once commonly used in Britain, and some spellings seen as "British" were once commonly used in the United States. A "British standard" began to emerge following the 1755 publication of Samuel Johnson's ''A Dictionary of the English Language'', and an "American standard" started following the work of Noah Webster and, in particular, his '' An American Dictionary of the English Language'', first published in 1828. Webster's efforts at spelling reform were somewhat effective in his native country, resulting in certain well-known patterns of spelli ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2016
File:2016 Events Collage.png, From top left, clockwise: Bombed-out buildings in Ankara following the 2016 Turkish coup d'état attempt; the impeachment trial of Brazilian President Dilma Rousseff; Damaged houses during the 2016 Nagorno-Karabakh conflict; A scene from the opening ceremony of the 2016 Summer Olympics in Rio de Janeiro, Brazil; Queues outside a bank to exchange demonetized banknotes during the 2016 Indian banknote demonetisation; the UK votes to leave the EU in 2016; The Girardet bridge in Düsseldorf with its four pokéstops; Donald Trump is elected as U.S. President in 2016 during a period of intensifying political polarization in the United States, 300x300px, thumb rect 0 0 200 200 2016 Turkish coup d'état attempt rect 200 0 400 200 Impeachment of Dilma Rousseff rect 400 0 600 200 2016 Nagorno-Karabakh conflict rect 0 200 300 400 2016 United States presidential election rect 300 200 600 400 2016 Summer Olympics rect 0 400 200 600 Pokémon Go rect 200 400 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
