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Reg No.:_. Name:

APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
SIXTH SEMESTER B.TECH DEGREE EXAMINATION(R&S), MAY 2019

Course Code: EC308
Course Name: Embedded Systems
Max. Marks: 100 Duration: 3 Hours
PARTA
Answer any two full questions, each carries 15 marks Marks
1 a) Enumerate essential functional blocks of an embedded system. (5)
b) With necessary diagrams, explain the bus architecture of ARM 9 processor. (10)
2 a) What 15 meant by DDLC model? Explain in detail (8)
b) Explain any two serial communication standards used in embedded systems. (7)
3 8) Compare serial communication with parallel communication (5)
b) Write short note on a) USB b) CAN (10)
PART 13

Answer any two full questions, each carries 15 marks

4 a) Explain the function of device drivers for handling ISR (5)
b) With necessary diagrams,explain the events occur during an interrupt operation (10)
5 a) Explain the working of Memory device drivers. (8)
b) What are the features of Embedded C++ ? (7)
6 a) Withasuitable example, differentiate between testing and validation (5)
b) What is meant by SoC? Explain with an example. (10)
PART C
Answer any two full questions, each carries 20 marks
7 ൭ How does an RTOS semaphore protect data? Explain by giving an example (10)
b) With suitable examples ,explain the terms 1) Rate Monotonic Approach (10)

ii) EDF Approach

8 a) Explain remote procedure call with an example. (10)
0) With a diagram, explain process management in an embedded OS. (10)
9 a) Explain the memory allocation related functions of RTOS (10)
b) Explain Task Service functions in RTOS (10)

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