GTU previous question papers -BE- VII Sem -Embedded Systems – Nov/Dec-2011

GTU previous question papers

GUJARAT TECHNOLOGICAL UNIVERSITY

BE-Semester VII Examination Nov/Dec-2011

Subject code: 171005 

Subject Name: Embedded Systems

 

Instructions:

1. Attempt all questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Define and classify the embedded systems, give few examples of such systems.

(b) ARM (Acorn RISC Machines) architecture supports the design of embedded systems. Justify this statement with special features that are incorporated into ARM controller.

Q.2 (a) Describe the flow of ARM development tools for embedded system design.

 (b) What is pipeline concept of ARM architecture, explains it with proper block diagram. How its affects in system performance.              

OR

(b) Draw and discuss the basic block diagram of architectural model of ARM controller.

Q.3 (a) Explain the following ARM instruction by giving

examples.

i) ASR ii) LDMIA

(b) Which are the wireless and mobile system protocols available for the embedded systems; explain in short any two of the wireless protocols that you have mention?

             OR

Q.3 (a) Explain the following Thumb ARM instruction by giving examples.

i) CMN ii) MVN

 (b) Explain the difference between Real Time Clock and Watch Dog Timer related to embedded systems.

Q.4 (a) What do you mean by “Task” and “Task state” related to embedded operating systems; also discuss about task control block (TCB) and its data.

 (b) Explain the use of “semaphore” with respect to embedded operating systems. List out few semaphore related function which are found on Real Time OS.

             

OR

Q.4 (a) What do you mean by Inter Process Communication (IPC) functions? Explain in short. Which are the IPC functions generally found on Real Time OS.

(b) With respect to RTOS (Real Time Operating Systems) explain the use of Timer and Event functions, and list out few examples of Timer and Event functions.

Q.5 (a) Which are the basic services offered by RTOS (Real Time Operating Systems) for the embedded system design? Describe any one service in short.

(b) Explain the file system organization related to RTOS and which are basic functions you will find with such file systems.

OR

Q.5 (a) What is task scheduling models of RTOS, explain any two scheduling models of RTOS in short.

 (b) What are the RTOS security issues, which are the important security function generally found on RTOS?

 

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