Question $2(34$ Marks$)$

A$.$ The concept of context$-$switch enables the operating systems to move from one process to the other and back. Describe four $(4)$ actions that can be taken by the kemel to achieve this concept

$12$ Marks.

B$.$ Computer architecture refers to the structure of intemal components of the computer system. Using the computer architecture, explain how the operating system manages and performs the booting sequence from cold start till printing a word document from an email download.

$10$ Marks

C$.$ A process is a program in execution and during these executions, processes can move from between various stages. Assuming there are two processes $($Process A and Process B$)$ and these processes are in a ready queue. How would you describe the activities that happened whereby, Process A started first but process B completed first.

$12$ Marks