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     Radio parts - colloquial name electronic components used for the manufacture of devices (appliances) digital and analog electronics. The appearance of the name was influenced by the historical fact that at the beginning of the XX century the first ubiquitous, yet technically difficult for the layman electronic device has a radio. Originally, the term "radio parts" meant electronic components used for the production of radio, then The everyday, with some irony, the name spread to other radio-electronic components and devices, do not have a direct connection with the radio.

The main components used in electronics are of two general types: passive (e.g. resistors and capacitors) and active (e.g. transistors and integrated circuits). The main difference between active and passive components is that active ones require to be powered in some way to make them work. Active components can also be used to amplify signals. If you aren't already familiar with how materials conduct electricity and behave as insulators and semi-conductors you might find it helpful to read the pages linked to the picture of a good conductor before going on to read about components.