080280042 Microprocessor and Microcontrollers May June 2014 Question Paper

Question Paper Code 11237 
Fifth Semester 
Electrical and Electronics Engineering 
(Common to 080280034 —Microprocessor and Microcontrollers, for B.E. (Part—Time), Fourth Semester, Electrical and Electronics Engineering) 

Time : Three hours 
(Regulation 2008) 
Maximum : 100 marks 
Answer ALL questions. 

PART A — (10 x 2 = 20 marks) 
1.What are the registers available in 8085 microprocessor? 
2.Why is ALE signal required in a 8085 microprocessor? 
3.Write a control word to set 8255 Port A as input and Port B as output and Port C as input in mode I configuration. 
4.What is the internal operating frequency 'of the 8279? How can you drive it from any available clock signal? 
5.How does 8086 generate physical address? 
6.List the interrupts present in 8086 with interrupt vector table. 
7.State any four important features of 8 bit microcontroller 
8.How does 8051 differentiate between the external and internal program memory? 
9.What does the microcontroller do to interface an A/D converter? 
10.List the typical voltage and current output ranges of sensors. 

Full Name :Arumugam.P
College Name :SNS College of Technology
Department :EEE
Semester :05
Subject Code :080280042
Subject Name : Microprocessor and Microcontrollers
Study Material Description :aaru edition 2014 QP

Attachment :

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    080280042 Microprocessor and Microcontrollers May June 2014 Question Paper