Download GTU BE/B.Tech 2019 Summer 7th Sem New 2171711 Embedded System Design Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 7th Sem New 2171711 Embedded System Design Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?VII(NEW) EXAMINATION ? SUMMER 2019
Subject Code:2171711 Date:18/05/2019

Subject Name:Embedded System Design

Time:02:30 PM TO 05:00 PM Total Marks: 70

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Explain differences between embedded systems and general purpose computing
systems
03
(b) Explain difference between CISC and RICS architecture. 04
(c) Explain block diagram of embedded system in detail with neat diagram 07

Q.2 (a) Compare process, task and thread. 03
(b) Explain function of CPSR register of ARM processor. 04
(c) Explain in detail the ARM programmers model in detail with neat sketch 07
OR
(c) Explain pipeline concept of ARM processor. 07

Q.3 (a) Explain difference between ADDS and ADD instructions in ARM Assembly
language.
03
(b) Explain LDMIA instruction in detail with all possible operands. 04
(c) Write a program to find average of 10 numbers stored in an array. Consider data
size of 32 bits
07
OR
Q.3 (a) Enlist all the control flow instructions of ARM assembly language. 03
(b) Explain all the multiplication instructions of ARM assembly language in detail. 04
(c) Write a program in ARM assembly language to find largest number from an
array. Assume the array length and starting address suitably.
07

Q.4 (a) What is meant by RTOs. How they differ from other operating systems. 03
(b) Explain instructions: STMIB and BICS 04
(c) Write a program in embedded C to blink LEDs connected to alternate bit of port0
i.e. P0.0, P0.2, P0.4 and so on up to P0.30 of ARM GPIO.
07
OR
Q.4 (a) Enlist various serial communication protocols. 03
(b) Explain Watchdog Timer in brief. 04
(c) Write a program in ARM embedded C to blink LED connected to Port pin P0.10
with 75 % duty cycle and 10 ms OFF time period.
07

Q.5 (a) State advantages and disadvantages of I
2
C protocol 03
(b) Explain how PWM works for DC loads 04
(c) Explain memory management in RTOs in detail. 07
OR

Q.5 (a) Write short note on ?Harvard Architecture? 03
(b) Write a brief note on exception handling in ARM processor. 04
(c) Explain USB protocol in detail. 07

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