In: Physics
a. Explain the differences between analogue and digital signals
and systems. Use sketches to support your explanations.
b. Explain the characteristics of an amplifier of your choice,
using supporting sketches.
c. Draw and explain the operation of a simple circuit of your
choice which uses at least three logic gates.
d. Describe a situation where;
(a) An analogue circuit would be appropriate, and why a
digital circuit would not.
(b) A digital circuit would be appropriate, and why an
analogue circuit would not.
Please answer all of them asaappp