Analog
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- British Spelling:Analogue
- Straight from the wikipedia entry:
Analogue electronics (or analog in American English) are those electronic systems with a continuously variable signal. In contrast, in digital electronics signals usually take only two different levels. The term "analogue" describes the proportional relationship between a signal and a voltage or current that represented the signal. . Basically, an analogue circuit works with signals that can vary between VCC and Ground, while digital only works with VCC and Ground. A tiny fluctuation in voltage is meaningful in an analogue circuit, while it is not in a digital circuit, which would ignore the change. . Digital is slowly phasing analogue out in the mainstream, as Digital IC's can be built much smaller, and design of a digital circuit can be automated much easier, along with the fact that slight noise in analogue circuits can cause major problems.
