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Electronics, engineering and applied physics to design and implementation of devices, usually electronic circuits, whose operation depends on the flow of electrons for the generation, transmission, reception and storage of information. This information may be voice or music (voice signals) in a radio receiver, an image on a television screen, or numbers or other data in a computer or computer. In principle, basic electronics, began in the Second World War with the development of radios, but the evolution of electronics was with the advent of the triode, and the twentieth century brought discoveries that today has become a major factor within the "neo-technology." First, there is a science in physics-based semiconductor and electronic circuits and even further integrated electronic circuits, such as unions have the diodes, transistors, thyristors, etc.. And also the training of basic electronic circuits such as amplifiers, oscillators, Multivibradores, converters, among others, and some passive components such as resistors, capacitors, coils and other assets such as batteries (batteries) and transistors. Electronics can be divided into two main groups: the electronic analogue and digital electronics. And in electronic circuits, there are two kinds of analog circuitry and digital, the analog electrical signals which are continuously changing to match the information represented the basic units of analog circuits are passive resistors capacitors inductors, and active sources energy. And where the digital values obtained by electrical signals to display discrete numeric values that represent logical and information processing.
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