Osmania University (OU) 2012 B.Sc Electronics -IV model - Question Paper

BHARAT DEGREE COLLEGE FOR WOMEN
Pre-Final Examinations, January-2012
B.Sc-Electronics-Paper-IV
Embedded systems and Applications

Time:3 Hours Max.marks : 100

ans any 5 of the following: (5*4=20)

1. Explain how ADC 0804 interfaces with 8051
2. Show the interfacing of temperature sensor with 8051.
3. Discuss any three addressing modes of 8051.
4. What are the interrupts? discuss.
5. Explain various data kinds and Directives.
6. Describe Loop and Call instructions with examples.
7. Write relevant programs to generate rectangular and square wave forms.
8. Discuss the concept of Bit Manipulation.

ans All questions: (4*20=80)

1. a) discuss UART(serial Communication) with modes and protocols.

[OR]
b) discuss Interfacing Parallel ports.


2. a) Construct and discuss how stepper motor interfaces with 8051.

[OR]
b) discuss Port organization of 8051. (12m)
c) discuss IE and IP Registers. (08m)


3. a) Write an ALP to for finding largest number form a data arry. (10m)
b) discuss various modes of Counters. (10m)

[OR]
c) Write an ALP for 16-bit addition. (10m)
d) Exolain Arithmetic,Logical and Single bit instructions. (10m)


4. a) Expain architecture of 8051 Microcontroller.

[OR]
c)Explain Pin descrition of 8051. (15m)
d) explain Flag bits of PSW Register. (05m)

***ALL THE BEST***

Earning:   Approval pending.