Analogue (noun)

1. A thing that is similar or equivalent to another in function or form.
2. A device that uses a continuously variable physical quantity, such as spatial position, voltage, etc., to represent signals or information.

Origin:

Late 19th century: from french, from greek analogos "proportionate, having a common ratio" (see analog).

Examples:

1. The analogue signal was converted to digital format.
2. Analogue watches are becoming less common because of digital watches.
3. The analogue circuit was replaced by a digital circuit.
4. Analogue recording uses a continuous signal to record sound.
5. The analogue computer was replaced by a digital computer.