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Reg No.: Name:

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

Course Code: EC308
Course Name: Embedded Systems
Max. Marks: 100 Duration: 3 Hours
PART A
Answer any two full questions, each carries 15 marks Marks
1 a) Describe the various hardware and software components used in embedded system (8)
design.
b) Define the frame structure and various data transfer modes in HDLC. (7)
2 a) With a suitable example, explain the various stages of embedded system design (7)
process.
b) With neat sketches, explain the working principle of CAN Bus. (8)

3 9) Describe the various types of Embedded system Development (8)
Life-Cycle Models

b) Explain the frame structure of I2C bus (7)
PART B
Answer any two full questions, each carries 15 marks
4 a) With neat sketches, discuss the various operations in DMA Controllers (10)
b) List the features of Embedded C++ (5)
5 a) Discuss the use of ISR in the case of automatic chocolate vending machine (5)

b) Comment on the various debugging techniques used in embedded system design (10)

6 a) With the help of an example, explain the functions of device drivers for on board (7)
bus
b) Distinguish between clear-box and black box testing methods in embedded (8)
system. List suitable examples.

PART C
Answer any two full questions, each carries 20 marks
7 a) Describe the structure of a Process control block (PCB). (10)
b) Explain the memory allocation related functions in Micro C/OS-II (10)
8 a) Discuss the concept of inter process communication (10)
b) Comment on the basic features of VxWorks RTOS (10)
9 a) Describe the use of mail boxes and remote procedure calls (10)
b) Explain briefly the process management with its states (10)

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