Question $2$

A Perceptron's output value $y$ is often based on the activity function. This output

may then be modified by another function or functions such as the activation

function and$/$or a threshold logic function. Select the answer that best explains the utility of using

these functions and why they are used in some situation and not in others. Only one answer is the best answer

and you should read each possible answer carefully.

The activity, activation and threshold logic functions are used to model biological and mathematical aspects of perceptrons

and their use is dictated by what is mathematically convenient and$/$or necessary for the particular problem being modelled.

The threshold logic function can be used to model binary logic functions.

The activation function along with threshold logic functions can model the action potential of a biological neuron.

The activity function is the best way to capture the idea of changing the level of importance or significance of an input that

is $"$on$".$