DIPLOMA EXAMINATION - 2012

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2 Νοε 2013 (πριν από 4 χρόνια και 11 μέρες)

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Total No. of Pages:

1

Register Number:






7
5
4
7

Name of the Candidate:

DIPLOMA
EXAMINATION
-

20
12

(
EM
BEDDED SYSTEMS & APP
LICATIONS
)

(PAPER


I
)

1
1
0
.

MICROCONTROLLER AND
APPLICATIONS

May
)








(
Time: 3 Hours

Maximum:
10
0 Marks

All questions carry equal marks


Answer
any Five
questions
:





(
5



2
0

=

㄰1
)


1
.


a)
Explain in detail about the architecture of 8051.

(10)


b)

Enumerate the memory organization of 8051.
(10)


2.

a)
Write an 8051 assembly language program to divide two eight bit numbers.

(10)

b)
Write in
detail about the addressing modes of 8051.

(10)

3.

Explain in detail about timer and counter section in 8051. (20)

4.

a)
Explain in detail about the sequence operation pe
rformed during interrupt operation in
8051 microcontroller.


(10)

b)

Explain the operation of I/O ports of 8051 microcontroller.

(
10)

5.

a)
Explain in detail about memory structure of 8096.
(10)

b)
Draw the architecture of PIC microcontroller and explain.
(10)

6.

a)
Explain how ADC can be interfaced t
o 8096? Write an assembly language program to
convert the analog data into digital data.

(1
5
)

b)
What is the function of high speed input output of 8096?

(
5
)

7.

Suggest a scheme to
linearize the thermocouple characteristics. Explain the hardware
required and write an assembly language program.


(
2
0)

8.

a)
Explain the traffic control using microcontroller
.
(10)

b)

Explain the digital weighing using microcontroller.
(10)

9.

a) Write a short note on embedded networking.


(10)

b) Explain in detail about DC motor speed control. (10)

10.

Explain in detail about closed loop control for temperature. Specify the hardware
required and write an assembly language program
. (20)


*
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