My Profile
Active Members
TodayLast 7 Days
more...
Awards & Gifts
Online Exams
Fresher Jobs
Our fresher job section is exclusively for fresh graduates! Find jobs for freshers in major Indian
cities including Bangalore, Chennai, Hyderabad, Pune or Kochi
Resources
Find educational articles, blogs, discussion threads and other resources.
Colleges
Find details about any college in India or search for courses.
|
Download Model question papers & previous years question papers
|
Posted Date: 01 Jul 2009 Posted By: Sunil Reddy Member Level: Platinum
|
2009 Jawaharlal Nehru Technological University Electrical and Electronics Engineering IV B.Tech II Semester Regular Examinations, April/May 2009 JNTU Kakinada, EMBEDDED SYSTEMS Question paper
Code No: 2420203
IV B. Tech II Semester Regular Examinations, April/May 2009
EMBEDDED SYSTEMS
( Electrical & Electronics Engineering)
Time: 3 Hours Max. Marks 80
Answer any FIVE questions
All questions carry equal marks
********
1. (a) List the advanced microprocessors and microcontrollers used in the embedded
systems. (6 M)
(b) What are the functional circuits in a chip or core of microcomputer? in an
embedded system. Explain them in brief. (10 M)
2. (a) Draw the pin out diagram of the 8051 microcontroller and Abbreviate the
names of the signals for each pin. (8 M)
(b) Draw the circuit diagram of the 8051 microcontroller oscillator and
Explain the concept of 8051 timing. (8 M)
3. (a) Explain how to perform testing programs using a personal computer. (8 M)
(b) Explain how to perform testing programs on a single-board computer. (8 M)
4. (a) Explain with suitable example, how to perform decimal arithmetic operation
using Relevant mnemonics. (8M)
(b) Write an assembly language program to get hex data in the range of 00-FFh
from the port 0 and convert it to decimal. Save the digits in R7, R6 and R5, where
the LSB is in R7. Place comments on each line of code. (8M)
5. Explain the importance of TI flag and RI flag in serial data communication.(16M)
6. (a) Differentiate the terms OS and Real Time OS with respect to various
Features. (8M)
(b) Explain in brief about RTOS Features. (8M)
7. (a) Explain the hard real-time Scheduling Considerations. (8M)
(b) Explain the tools availability in various RTOS. (8M)
8. What are the various Working modes of I2C Bus and explain them with suitable
Schematic diagrams.
Return to question paper search
|
|
|
Submit Previous Years University Question Papers and make money from adsense revenue sharing program
Are you preparing for a university examination? Download model question papers
and practise before you write the exam.
|
Advertise Here
|