a. Explain the differences between analogue and digital signalsand 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 yourchoice which uses at least three logic gates.
d. Describe a situation where;
(a)Â Â An analogue circuit would be appropriate, and why adigital circuit would not.
(b)Â Â A digital circuit would be appropriate, and why ananalogue circuit would not.
Please answer all of them asaappp