IV Semester M.Sc. Degree Examination, June 2016 (CBCS) ELECTRONIC SCIENCE ELC-401 : Embedded System Design Time : 3 Hours
Max. Marks : 70
Instructions : 1) Answer all questions from Section A. 2) Answer any four full questions from Section B. SECTION – A
(5×2=10)
1. Define any two design metrics. 2. What is optimization ? 3. Explain any one RT-level combinational components. 4. What is interrupt latency ? 5. Briefly explain Task states. SECTION – B 6. a) Discuss three different processor technologies with their merits and demerits.
10
b) With suitable diagrams explain templates for creating FSMD.
5
7. a) Explain timer, counters and watchdog timer.
9
b) Briefly explain strobe and handshake protocol.
6
8. a) Explain Interrupt driven I/O data transfer.
6
b) What is PWM ? Explain any two applications of PWM.
9
9. a) Briefly explain function queue scheduling architecture. Mention its advantages over other architectures.
7
b) What do you mean by atomic and critical section of the program ?
3
c) Briefly describe the function of scheduler in RTOs.
5 P.T.O.
*PG339*
PG – 339
10. a) What is Shared data problem ? Explain how Shared data problem can be avoided using semaphores.
8
b) Briefly explain Concept phase, Design phase and Programming phase of software life cycle.
7
11. Write a note on any three of the following : a) I2C protocol b) Cache and flash memory c) Debugging techniques d) Message queue and mailbox. ———————
(5×3=15)
Embedded System Design.pdf
b) Briefly explain Concept phase, Design phase and Programming phase of. software life cycle. 7. 11. Write a note on any three of the following : (5Ã3=15).