$3\mathrm{.}1$ A computer can be viewed as a system because it is interrelated, that is it accepts input, processes the input and produces output With regards to the above statement discuss the concept of a CPU.

$3\mathrm{.}2$ Programming is a specialized form of the age$-$old process of problem solving.

With regards to the above statement, explain the process that programmers use to write a programme.