Qn$\mathrm{.}5$

a$)$ Write short notes about the following terms:

$1)$ Interrupt handling $(3$ Marks$)$

ii$)$ Interrupt Vector $(3$ Marks$)$

iii$)$ Lost Interrupt $(3$ Marks$)$

iv$)$ A trap $(3$ Marks$)$

b$)$ Examine the classes of Interrupts in relation to Operating Systems $(8$ Marks$)$

c$)$ Identify the factors that must be considered to ensure the computer system performs to the best of its ability. $(5$ Marks$)$