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M.E. DEGREE EXAMINATION, JUNE 2012.
Second semester
Applied Electronics
AP 9224/248207/AP 924/10244 AE 204 —EMBEDDED SYSTEMS
(Common to M.E., Computer and Communication, M.E., Communication Systems,
And M.E. VLSI Design)
(Regulation 2009)
Time: Three hours Maximum: 100 marks
Answer ALL the Questions
PART A— (10 × 2 = 20 marks)
1. What are the characteristics of embedded computing applications?
2. Discriminate between structural description and behavioural description of
embedded system products.
3. What is a bus? What difference you make out between SHARC and ARM bus?
4. What is meant by parallelism with instructions?
5. Is Microcontroller based design or Microprocessor based design preferred for
evolving embedded computing applications? Justify your choice.
6. List out two advantages of CAN bus.
7. What is the scope of deadline issues in the design life cycle of embedded computing
applications?
8. What is scheduling and what is its significance with the embedded computing
applications?
9. Why is Quality assurance a significant parameter in the embedded design life cycle?
10. Personal Digital Assistance applications out number these days. What is the role of
ASIC revolution for the design of PDA? Comment on it.

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PART B— (5 × 16 = 80 marks)
11. (a) Name one system design methodology for embedded computation application
starting from survey of consumer requirements, specification transformation, design,
development, testing, market and maintenance covering the complete design life
cycle. Taking Ink jet printer or Telephone PBX as a produce.
Or
(b) How to partition hardware and software functionalities of an integrated product
with respect to the design part of hardware and software?
12. (a) Explain the clock driven approach and priority driven approach in designing and
testing the real time characteristics of embedded systems. What are the issues in
handling timing constraints?
Or
(b) How is scheduling managed for dynamic and static embedded applications? What
is the impact of off-scheduling and on-scheduling in dynamic and static embedded
applications?
13. (a) Explain in detail the networks for embedded systems and link supports with
respect to performance, speed and coverage.
Or
(b) How do allocation and scheduling simplify the communication among networks
or within a node itself? Discuss how well a hardware platform design support the
communication.
14. (a) How is memory organized in SHARC processor for embedded application? What
features of the processor are more suitable to solving real world problems? How is
parallelism made possible?
Or

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(b) Explain the interface scheme for microprocessor based embedded computing
development. Illustrate a live example explaining the several phases of coding with
debugging.
15. (a) What is the significance of an ARM processor supporting the embedded
applications? Explain how the memory is organized and managed in that processor.
Or
(b) Explain the need for description in system design. Discuss the various challenges
to be met out in embedded computing system design illustrating a case study.