Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2018 Winter 7th Sem New 2171005 Embedded Systems Previous Question Paper
1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VII (NEW) EXAMINATION ? WINTER 2018
Subject Code: 2171005 Date: 19/11/2018
Subject Name: Embedded Systems
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
MARKS
Q.1 (a) List out the advantages of ASIC based Embedded Systems. 03
(b) In absence of Digital to Analog Convertor (DAC), how can you use Pulse
Width Modulator for DAC operation?
04
(c) Explain different approaches for designing and implementing the embedded
software.
07
Q.2 (a) How Watchdog timer is used in Embedded System design? 03
(b) Explain the significant differences between Bluetooth and Zigbee protocol. 04
(c) Explain the differences between programmed I/O, interrupt and direct
memory access approaches.
07
OR
(c) What is Device driver? Explain the role of Interrupt in Device driver
programming.
07
Q.3 (a) Define Interrupt Service Thread with its use in RTOS based system design. 03
(b) How semaphore helps in handling shared data problems? 04
(c) Explain the role of TCB in task switching. 07
OR
Q.3 (a) What will happen if all the tasks are in Wait state? How RTOS will handle
such situation?
03
(b) Describe performance matrices in RTOS based application. 04
(c) Describe the Timer functions supported in RTOS. 07
Q.4 (a) List out significant differences between a soft real time system and a hard
real time system.
03
(b) Describe Deadlock with an example. 04
(c) Describe the mailbox functions supported in Real Time Operating System. 07
OR
Q.4 (a) Under which circumstances a task is brought to Wait state? 03
(b) What are the differences between a function and a task? 04
(c) Explain following scheduling policies with their differences.
(1) Earliest Deadline First (2) Rate Monotonic Scheduler
07
Q.5 (a) What are the significant features associated with GPIO in MSP430? 03
(b) Explain the benefits of using DCO over Crystal in MSP430 based system. 04
(c) Describe the Watchdog timer operation in MSP430. 07
OR
Q.5 (a) How MSP430 processor is compiler friendly? 03
(b) Explain Pin Multiplexing in MSP430. 04
(c) Describe the Timer operation in MSP430 in association with generation of
PWM wave.
07
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This post was last modified on 20 February 2020