Thursday, December 17, 2015

Annamalai University B.Sc.Electronic Science:Microprocessor and Applications December Question Paper 2014

Annamalai University december question paper 2014
B.Sc. DEGREE EXAMINATION, December 2014
(ELECTRONIC SCIENCE)
(THIRD YEAR)
(PART-III)
740. MICROPROCESSOR AND APPLICATIONS
Time: Three hours Maximum: 100 marks
SECTION – A
Answer any FIVE questions
(5×4=20)
1. Discuss the functions of ALU of 8085.
2. Explain data and address bus.
3. What are the various types of data formats for 8085 instruction?
4. Write an assembly language program for 8-bit subtraction.
5. Explain I/O mapped I/O scheme.
6. Write a note on cycle stealing technique.
7. Write a note on control word.
8. What is a D/A converter? Discuss.
SECTION – B
Answer any FIVE questions
(5×16=80)
9. What are the various registers of 8085? Discuss their function.
10. Discuss various types of addressing modes of Intel 8085 with suitable
examples.
11. Explain any five arithmetic group instruction.
12. Explain any five logical group instruction.
13. Explain the various programmed data transfer schemes.
14. Discuss the function of DMA data controller 8257 and writ its important
pins.
15. Describe the programmable communication interface 8251.
16. Show and explain the general interface connection to measure and
control temperature.
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