Analog computer and Information processing system

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

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

Information processing system noun - A machine for performing calculations automatically.

Analog computer and information processing system are semantically related. Sometimes you can replace phrase "Analog computer" with "Information processing system", this phrases are similar.