MG University MICROPROCESSOR SYSTEMS 2014 Question Paper

University : Mahatma Gandhi University Question Papers
Course: B.Tech Computer Science Engineering
Semester: 4, Fourth, IV
Year of the question paper: May 2014
Subject Code: CS 010 405
Subject: MICROPROCESSOR SYSTEMS
Scheme of Question Paper: 2010 onwards

MG University

B.TECH DEGREE EXAMINATION, JUNE 2014

Fourth Semester

BRANCH: COMPUTER SCIENCE AND ENGINEERING

CS 010 405- MICROPROCESSOR SYSTEMS (CS)

 (New Scheme-2010 Admission onwards)

[Regular/Improvement/Supplementary]

Time : Three Hours                                                                                  

Maximum:100 Marks

Part A

Answer all questions.

Each Question Carries 3 marks

1. What is microprocessor? Give the power supply and Clock frequency of 8085

2. Define instruction cycle, machine cycle and T-state

3. Explain the signals HOLD, READY and SID.

4. What is synchronous data transfer?

5. What is the use of modem control unit in 8251?

Part B

Answer all questions

Each question carries 5 marks

6. Compare CALL and PUSH instructions

7. Difference between memory mapped I/O and peripheral I/O

8. Explain briefly about the different types of interrupts in 8085

9. Briefly explain the DMA data transfer

10. Discuss the features of 8251

Part C

Answer all questions

Each question carries 12 marks

11. Explain the addressing modes of 8085 with example

or

12. Explain the different types of instruction in 8085

13. Explain the various machine cycles supported by 8085

or

14. Write a program to arrange 'n' numbers in ascending order

15. With neat sketch, explain the function of Programmable Interrupt Controller

or

16. Explain hardware and software interrupts in 8085 microprocessor

17.Explain any of the modes of 8255 in detail

or

18. Differentiate synchronous and asynchronous data transfer schemes

19. With neat sketch, explain the functions of 8251

or

20. Design an interface circuit needed to connect DIP switch as an input device and display the value of the key pressed using a 7 segment LED display. Using 8085 system, write a program to implement the same

Share This