Download GTU BE/B.Tech 2019 Winter 7th Sem Old 171005 Embedded Systems Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII (Old) EXAMINATION — WINTER 2019

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Subject Code: 171005 Date: 23/11/2019
Subject Name: Embedded Systems
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Which are the basic services offered by RTOS for the embedded system design? [07]
(b) List the difference between RISC and CISC architectures. [07]

Q.2 (a) Draw and discuss the basic block diagram of architectural model of ARM controller which you have studied. [07]

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(b) What is Thumb instruction set and give it’s merits and demerits. [07]
OR
(b) Write short notes on PCI and ISA buses. [07]

Q.3 (a) Why do the scheduling and synchronization required in any OS? Explain any one scheduling technique. [07]
(b) What are processes, tasks and threads? Explain with suitable example. [07]

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OR

Q.3 (a) Describe the functionality of the following instructions: [07]
(1) LDMIA, (2) MVN, (3) ASR
(b) Write an assembly program to multiply two16-bit numbers and store the result in memory location defined as ROSE onwards. [07]

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Q.4 (a) What is load/ store mechanism in ARM processors? Also explain the stack related operations. [07]
(b) What is watch dog timer? What are it’s uses in embedded system? [07]
OR

Q.4 (a) Describe the USB protocols, and CAN protocols in detail. [07]

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(b) Define Embedded System, Linux Embedded System and Real time Embedded System. [07]

Q.5 (a) What do you mean by semaphore? What are the semaphore operations? [07]
(b) List different addressing modes of Arm processor you studied also give some suitable example. [07]
OR

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Q.5 (a) What is the need of device drives and types of device drivers? What is the role of device manager? [07]
(b) What are the deadlocks and sockets? Explain in detail. [07]