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EC2304 Microprocessors and Microcontrollers May June 2014 Question Papers
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University: Anna University chennai
Department: Electronics and communication engineering
Subject code: EC2304
Subject name:  Microprocessors and Microcontrollers
description :
May / June 2014 Question paper.

QUESTION PAPER CODE - 51406 

B.E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014
Fifth semester
Electronics and communication Engineering
EC2304/EC 54 – MICROPROCESSORS & MICROCONTROLLERS
(Regulation 2008)

Answer all questions

PART  A – (10×2=20 Marks)
 
1. State the different data transfer schemes. 
 
2. What are the advantages of memory mapped I/O over I/Omapped
I/O?

3. List the flags in 8086 and state its functions.
 
4. Identify the addressing modes in the following instruction 
AND AL, BL
SUB AL, 24H
MOV AL, (BP)
MOV CX, 1245H.
 
5. What is key debouncing? What are the methods to detect the
debouncing?
 
6. State the signals that govern the operation of the printer.
 
7. How does the processor 8051 knows whether on chip ROM or
External program memory is used? 
8. What is difference between AJMP and LJMP instruction?
 
9. Write about the design steps involved in using microcontroller for
stepper motor.
 
10. State the significant of using microprocessors in interfacing
traffic limit control.

For Part B Questions, Attachment the Attachment.

Attachment Here !! 
.pdf   EC2304-Microprocessors & Microcontrollers - May-June 2014.pdf (Size: 230.46 KB / Downloads: 3,283)

The riskiest thing is to take no risks, Move fast and break things.


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