Question 1)a) Explain programmable interval timer/event counter with the help of appropriate example.
b) What is the importance of A/D & D/A interfaces in data communication? Describe both interfaces by taking a appropriate example.
Question 2)a) Describe the functional block diagram of 80188 in detail. Describe the working of programmable interrupt controller in 80188l.
b) Describe the basic I/O subsystem for 80186 microprocessor in detail.
Question 3) What do you mean by embedded controllers? Describe the requirement of embedded controllers. Also provide suitable examples of embedded controllers.
Question 4)a) What do you mean by data communication? Categorize it and describe various types of data communication.
b) Describe special microprocessor I/O devices.