Hall Ticket No Question Paper Code: BESB06
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
M.Tech I Semester End Examinations (Regular) January, 2019
Regulation: IARE-R18
PRINCIPLES OF DISTRIBUTED EMBEDDED SYSTEMS
Time: 3 Hours Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. List out the elements of real time systems. Explain each with neat sketch.
Explain in detail to synchronize the external and internal clock.
2. Brief about internal and external clock synchronization.
Write short on the following with neat sketch
i. Event triggered
ii. Time triggered
UNIT II
3. Draw the structure of real time operating system and explain in detail.
Write shorts notes on the following. i. Task states ii. Periodic task iii. Aperiodic task
4. Write a C code to interface LCD with any one processor with neat sketch.
Briefly explain how to detect error in an RTOS and also express how to rectify it.
UNIT III
5. Explain in detail about the priority-based scheduling algorithm with example.
Express and explain the pre-processing steps need to be done before system design.
6. Briefly describe about verification and validation procedure of an embedded system under design.

Explain in detail about time triggered architecture with any one application, illustrate with its
timing diagram.
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UNIT IV
7. Explain in detail about the CAN collisions and arbitration.
How to organize object directory in CAN protocol. Express it with any one example.
8. List out the mandatory entries of CAN protocol and explain each.
Write short notes on Electronic Data Sheets(EDS) and editing in CAN Open standard.
UNIT V
9. Brief about the estimated bandwidth usage in a CAN Open configuration.
Write short notes on CAN OpenIA Configuration and its standards.
10. List out the different layers used for CAN communication and explain each layer.
Discuss in detail about the configuration of a device and the basic information required to configure
it.