7/28/2019 EEE IV SEM (PT)

1/2

SATHYABAMA UNIVERSITY

DEPT. OF ELECTRICAL AND ELECTRONICS ENGINEERING

MODEL EXAMSECX1032 MICROPROCESSOR INTERFACING AND ITS APPLICATION

DEPT:IV SEM EEE(PT) Duration : 2 HrsMax. Marks : 50

PART - A (10X2=20)(Answer all the questions)

1. What is microprocessor?

2. What are the addressing modes of 8085 microprocessor

3. Give an example for indirect addressing mode

4. How many interrupts are there in 8085 microprocessor

5. Give some arithmetic instructions of 8085

6. Distinguish between maskable and non maskable interrupts

7. Illustrate the operating modes of 8255 programmable peripheral interface

8. What is mean by memory mapped I/O technique?

9. What are the significance of USART

10. Write short notes on indexed addressing modes in 8086 microprocessor

PART - B (3X10=30)(Answer any three questions)

1 .With neat block diagram, explain the architecture of 8085 microprocessor(or)

2. With neat block diagram, explain the architecture of 8086 and explainMinimum and Maximum mode of 8086 microprocessor

3. With suitable examples explain the addressing modes of 8085 microprocessor(or)

4. Explain the internal architecture of 8255 programmable peripheral interface

5. Explain the internal architecture of 8251 programmable peripheral interface(or)

6. Explain the internal architecture of 8257 DMA Controller with neat block diagram

SET-A

7/28/2019 EEE IV SEM (PT)

2/2

SATHYABAMA UNIVERSITY

DEPT. OF ELECTRICAL AND ELECTRONICS ENGINEERING

MODEL EXAM

SECX1032 MICROPROCESSOR INTERFACING AND ITS APPLICATION

DEPT: IV SEM EEE (PT) Duration : 2 HrsMax. Marks : 50

PART - A (10X2=20)(Answer all the questions)

1. Name some general purpose registers of 8085 microprocessor

2. What is addressing mode

3. What is the difference between shift and rotate operation in 8086 microprocessor

4. If a microprocessor has 20 bit address bus, how many locations it directly addressedUpto?

5. Give one example for Register indirect addressing mode

6. List the segment registers of 8086 microprocessor

7. Write the three modes of data transmission

8. Name the flag registers available in 8085 microprocessor

9. Define memory mapping

10. Write short notes on DMA

PART - B (3X10=30)(Answer any three questions)

1 .With neat block diagram, explain the architecture of 8085 microprocessor(or)

2. With neat block diagram, explain the architecture of 8086 and explainMinimum and Maximum mode of 8086 microprocessor

3. With suitable examples explain the addressing modes of 8086 microprocessor(or)

4. Explain the internal architecture of 8255 programmable peripheral interface

5. Explain the internal architecture of 8251 programmable peripheral interface(or)

6. Explain the internal architecture of 8257 DMA Controller with neat block diagram

SET-B