The figure below shows an incomplete diagram of the components of a processor.
(a) Provide full names for the components numbered 1 to 5 by completing the table below.
$$
\begin{array}{|l|l|}
\hline \text { Component number } & \text { Component name } \\
\hline 1 & \\
\hline 2 & \\
\hline 3 & \\
\hline 4 & \\
\hline 5 & \\
\hline
\end{array}
$$
(b) The figure below is an incomplete flowchart of the Fetch-Execute cycle. Describe the missing steps.