Microprocessor and Interfacing (IT-503 (B)) - Important Questions

Draw and explain the architectural / internal block diagram of 8086 microprocessor.

Explain the evolution of microprocessors.

What are macros in 8086, discuss them with suitable examples.

Explain the following instructions with suitable example of each.

Write a program to transfer a block of data elements from memory location 5000 H to 6000 H.

What is subroutine? Explain the use of stack in CALL and RETURN instructions.

Write a program in assembly language to add two 16-bit numbers using ADC instruction. Store the result in memory.

List out the different data transfer schemes present in microprocessor and explain each one in detail.

Explain I/O interfacing and memory interfacing with 8086 with an example.

What is Bus? Describe ISA Bus and EISA Bus in detail.

Explain 8259 programmable interrupt controller with neat functional block diagram.

Explain direct memory access controller in detail with neat block diagram. Why it is needed.

With a neat sketch explain the function of memory array of PROM.

What is primary, secondary and cache memory? Give the difference between primary and secondary memory.

Write short notes on any two.