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Time: 3 hrs.

10cs72

Max. Marks:100

(10 Marks)

Seventh Semester B.E. Degree Examination, Dec.2014 lJan.2DlSEmbedded Gomputing Systems

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Note: Answer FIVE.fuII qaestions, selectingatlesst TWO questions from each pari.

, PART-ADiscuss the requirements chart, with an example.

c. Explain the UML class diagram for signal and time out events.

Explain the sequence diagram for transmitting control input in modern train controller.

2 a. What is interrupt?"Discuss its mechanism, with a neat diagrarn.b. Draw the fonnat of ARM data processing instruction.c. What is set associative cach-g.? Explain.

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3 a. Explain bus witlr DMA corrtroller.b. Justifu PC as a platfonn lor embedded systems.c. Briefly discuss the process of two stage address translation in ARM.

4 a. Sketch and explain the data flow graph model.b. Explain the progranr optimization iechniqucs.

(05 Marks)(05 NIarks)

(08 Marks)(06 Marks)(06 Marks)

(07 Marks)(08 Marks)(05 Marks)

(08 Marks)(12 hlarhs)

(05 Marks)(05 Marks)(05 Marks)(05 Marks)

(10 Marks)

(10 hlarks)

(05 Marks)(05 Marks)(05 Marks)(05 Marks)

(06 Marks)(08 Marks)(06 Marks)

PART _ BrAt(t -t'

5 a. What is TCB? Explain its structure.b. Explain the.structure of process.c. What is multitasking? Explain its types.d. What are the factors considered for selection of scheduling algorithm?

6 a. Explain the technique in shared memory communication.b. Explain the following :

. i) L -

shaped usage distribution.

ir) ACPI (advanced configuration and power interface).a. Explain the I2C bus.b. What is multihop communication?c. Explain the structure of IP packet.d. Discuss any one application of intemet.

8 a. What is a simulator? Explain its advantages and limitations.b. What is boundary scan? Explain.c. What is monitor program based firmware debugging.

**E+*