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Embedded System and RTOS Question Paper - Dec 17 - Electronics Engineering (Semester 6) - Mumbai University (MU)
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Embedded System and RTOS - Dec 17

Electronics Engineering (Semester 6)

TAKEN FROM CREDIT BASED PATTERN

Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.

1(a) Explain the significance of uCOS-II functions

  • OSTaskCreate()
  • OSSemPend()
(5 marks) 9796

1(b) Interrupt handling of Cortex-M3
(5 marks) 185

1(c) Compare black box and white box testing
(5 marks) 9783

1(d) Explain serial peripheral interface. Compare it with parallel method.
(5 marks) 9772

2(a) Design a vegetable vending machine which dispenses vegetables to customer. For this develop,

  • i) FSM which describes the functioning of the system
  • ii) Hardware block diagram
  • iii) List of components with justification
  • iv) Design challenges and suggest solutions
(10 marks) 9803

2(b) Interface sensor/display device with any controller.
(10 marks) 9774

3(a) State and explain the criteria for tasks schedulability and explain various scheduling mechanisms.
(10 marks) 9790

3(b) What are the features of MSP430 make it low power device. Draw diagram of MSP 430 basic clock module and give its details.
(10 marks) 00

4(a) Define FSM. Explain and draw FSM for tea-coffee vending machine
(10 marks) 9804

4(b) What is an inter process communication?Explain the various IPCs used in RTOs.
(10 marks) 9799

5(a) What is data structure? Explain various data structures in detail.
(10 marks) 00

5(b) What is shared data problem? Explain the solutions to avoid shared data problem.
(10 marks) 10278

6(a) Explain need of Zig-Bee in wireless sensor networks. Describe the functional model with hardware block diagram.
(10 marks) 9780

6.b. Write a short note on

6.b.ii. Logic Analyzer
(5 marks) 9784

6.b.ii. Role of watch-dog timer in embedded system
(5 marks) 9778

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