North Maharashtra University 2010 B.E Computer Engineering Jalgaon, ,Computer - Question Paper

Seat No.___________

EMBEDDED SYSTEM(New)
Elective-1


Time:3 Hours Max.Marks:100
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Istructions: 1)Do not write anything on ques. paper other than Seat No.
2)Answer sheet should be written with blue ink only.
3)Students should note, no supplement will be given.
4)Attempt any 2 subquestions from every unit.
5)Figures to the right indicate full marks.
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UNIT-I


1. a)Define an Embedded system. And explain the need of time to market in a
development of product whose life time is 64 weeks with delay of six weeks;also
compute percentage revenue loss with respect to delay entry product. [Marks10]

b)Explain design life cycle for an embedded system and what the latest patterns
are in an embedded system? [Marks10]


c)Explain the subsequent terms: [Marks10]
a)Testing and debugging of an embedded system.
b)Inter-Integrated Circuit bus.




UNIT-II


2. a)Describe the neccesity of Risc and ARM philosophy in an embedded system. [Marks10]



b)Discuss the current program status register in detail. [Marks10]


c)Explain the subsequent terms: [Marks 10]
a) Exception,interrupt vector table
b) PWM and WDT


UNIT-III


3. a)Explain the LCD interfacing with ARM core and write down the basic embedded
C program for it. [Marks10]



b)Why there is need of interfacing and discuss interfacing of input devices such as
touch sreen. [Marks10]


c)Describe the interfacing of GISM modem and discuss AT Commands use
for it. [Marks10]



UNIT-IV


4.a)Describe the special requirements of an embedded system in case of real time
operating system and state the categories of embedded operating system. [Marks10]


b)Explain how microcontroller operating system version 2(µC/OS-ii)solves the
priority in version issue. [Marks10]


c)Explain the subsequent terms. [Marks10]

a)Interrupt service routines of real time operating system.
b)Features of microcontroller operating system version 2(µC/OS-ii).



UNIT-V



5.a)Explain why to go for an embedded linux and also discuss the configuration and
booting of an embedded linux kernel. [Marks10]


b)Describe the kinds of file system in an embedded linux. [Marks10]



c)Write short note on:
a)Debug techniques
b)Linux process model and IPCs. [Marks10]

Earning:   Approval pending.