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USN

Seventh Semester B.E. Degree Examination, June/July 2016

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Embedded Gomputing Systems Max. Marks:l00 Note: Answer FIVE full questions, selectimg st lesst TWO ctruestions frotn each part.

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What is an interrupt priorities mechanism used to handle multiple device internipts?

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What is cache? Hor.v it relates to mernory system mechanism? Explain different types of

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For a give basic block, rewrite it in single assignment form and then draw the dataflow graph.

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Explain any two program optimization Techniques. Write a short note on alarrm clocks.

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(08 Marks) Explain a bus with a DMA controller mechanism? Differentiate between Random accesses memories and Read only memories. (04 Marks) List out the I/O devices commonly used in ernbedded cornputing systems. Explain briefly (08 Marks) any three I/O devices.

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PART - B Explain the basic fi.rnction of Real time kernel. Give different between monolithic kernel and micro kernel. Define process. With a diagram, explain state transition of a prooess.

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What is trnterprocess Communication (IPC)? Give an orren iew of different types of IPL

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mechanisms adopted by various operating systems. {10 Marks) What is deadlock ? What are the different conditions favoring deadlock? (CI5 Marks) Explain the diff-erent functional requirement that needs to be evaluated in the selection of,an RTOS. (05 Marksi

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7 a. Explain the structure and characteristics of an I2C bus. b. Explain Ethernet packet forrnat. c. Explain the follovring terms

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Internet security, Intemet service stack

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Simulators Ernulators Debugger Explain the different tools used for hardware debugging.

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8 a. Explain the following interated development Environment

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(12 Marks) (08 Marks)