$1)$ Give short answers:

a$.$ Main bus width and port relationship for the keyboard utilization can be explained as

b$.$ Bus arbitration methods for mobile computer operations are important because

c$.$ Bus timing methods for desktop computers can be compared as

d$.$ Bus types can be explained as

e$.$ The bus mezzanine architecture and chipset relationship for graphics operations are important because

f$.$ Single$-$bus may result in two problems that are

g$.$ A main bus, front side bus, or system bus connects

h$.$ Three major differences between the various types of programming approaches are

$2)$ Briefly explain the simple instruction cycle by analyzing the CPU $$read$$ operation from the keyboard and CPU $$write$$ to the local printer.

$3)$ Two ways to handle multiple interrupts can be described and an analogy from university bookstore operations can be given as