What are the differences between analogue circuit and digital circuit?

What is the difference between analogue and digital circuit?

What are the differences between analogue and digital ICs? State one or two uses of such ICs.

What is a digital circuit?

Write two differences between ohmic circuit and non-ohmic circuit.

What is the difference between open & closed circuit ? Draw daigrams for both.

What is the difference between the current in the external circuit and inside an electric cell ?

An electric bulb consumes only 25% of the peak power in an a.c. circuit. What is the phase difference between the circuit and the applied a.c. voltage ?

Is it possible to convert an analogue circuit into a digital circuit?

What do you mean by analogue and digital circuits ?