Analog computer and Electronic computer

Analog computer noun - A computer that represents information by variable quantities (e.g., positions or voltages).

Electronic computer and analog computer are semantically related. In some cases you can use "Electronic computer" instead a noun phrase "Analog computer".

Electronic computer noun - A machine for performing calculations automatically.

Analog computer and electronic computer are semantically related. Sometimes you can replace phrase "Analog computer" with "Electronic computer", this phrases are similar.