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Reg No.: Name:

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

Course Code: CS404
Course Name: EMBEDDED SYSTEMS

Max. Marks: 100 Duration: 3 Hours
PARTA
Answer all questions, each carries 4 marks. Marks
1 Mention the challenges in embedded computing system design (4)
2 What is the use of specification phase in an embedded system design? Mention (4)

the components of GPS system specification.

3 Explain Control Data Flow Graph with an example (4)
4 Explain the firmware execution flow of super loop based approach. (4)
5 Describe mixing high level language with Assembly code with an example (4)
6 Write short notes on (i) Simulator (ii) Emulator (4)
7 Differentiate General purpose Operating System (GPOS) with Real time (4)

Operating system(RTOS)
8 Explain the memory model of a thread in an operating system (4)
9 Depict four reasons to build network-based embedded systems. (4)
10 Discuss the merits and demerits of Waterfall model for embedded system (4)

development.

PART B
Answer any two full questions, each carries 9 marks.

11 With a neat diagram explain major levels in the embedded system design (9)

process

12 ஐ Imagine yourself as an Embedded System developer. A client approached your (4)
team to make an automated Coffee Vending machine. Develop requirements
description of the machine.

b) Draw the Finite State Machine diagram for an automated Coffee Vending (5)

Machine.
13 a) Describe the sequence diagram for a mouse click scenario. (4)
b) Draw the Use case diagram for Seat Belt Warning System with explanation (5)

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