Question: Give short answers to the following: (a.g]
a. What is a data bus?
b. Why is an address decoder used in I/O interfaces?
c. How is an information source, such as a set of switches interfaced to a data bus?
d. What control signals are needed to latch data from the data bus into an output interface at the correct time?
e. Give the sequence of events that occur when a CPU does an input (or read) cycle.