define analog device and give some examples of it

Analog devices can be defined as a combination of analog machines and analog media that, together, have the ability to record, measure, broadcast, and reproduce continuous information. A continuous signal or an analog signal can have an infinite number of values (that it can assume). Therefore, the only limitation on the resolution is the accuracy of the analog device. Analog devices can be broadly classified as non-electrical analog devices and electrical analog devices. Examples of non-electrical analog devices include pendulums, analog watches, clocks, governers of steam engines, and acoustic rangefinders. Examples of electrical analog devices include analog televisions and analog computers. A circuit that can convert a digital signal into an analog signal is called a digital to analog converter (often abbreviated to DAC or D-to-A)

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