Download JNTUA B.Tech 4-2 R15 2019 April Regular 15A04702 Embedded Systems Question Paper

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Code: 15A04702

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B.Tech IV Year II Semester (R15) Regular Examinations April 2019

EMBEDDED SYSTEMS

(Electrical & Electronics Engineering)

Time: 3 hours

Max. Marks: 70

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PART - A

(Compulsory Question)

Answer the following: (10 X 02 = 20 Marks)

1. List the types of embedded processors.
2. What is the need of Watchdog timer?

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3. What are the differences between Von-Neumann and Harvard architectures?
4. What are the main features of ARM cores?
5. Write few I/O devices of embedded systems.
6. What is an In-circuit emulator?
7. What is the function of hibernation module?

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8. What is GPIO control?
9. Write the differences between synchronous and asynchronous communication interfaces.
10. What Baud rate?

PART - B

(Answer all five units, 5 X 10 = 50 Marks)

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UNIT - I

1. Explain the design process of embedded systems.
   OR
   
2. Explain various forms of system memory and the functions assigned to these memories in the embedded systems.

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UNIT - II

1. With neat block diagram, explain the architecture of TM4C microcontroller.
   OR
   
2. Explain in detail about various addressing modes of TM4C microcontroller.

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UNIT - III

1. What are various building blocks of embedded systems? Explain them in detail.
   OR
   
2. Explain various modes of operation of microcontroller timer and counting devices.

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UNIT - IV

1. Explain the operation of Watchdog timer using block diagram.
   OR
   
2. Explain about the interrupt management of microcontroller system.

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UNIT - V

1. Explain the working of UART communication interface. Mention the advantages and disadvantages of UART.
   OR
   
2. Draw the block diagram of smart plug with remote disconnect and Wi-Fi connectivity and explain the operation.

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