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2003 Course Embedded Systems Design

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Total No. of Questions : 12] P948 [Total No. of Pages : 3 [3664] - 215 B.E. (Electronics) EMBEDDED SYSTEMS DESIGN (2003 Course) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answer any three questions from each section. 2) Answer three questions from Section - I and three questions from Section - II. 3) Answers to the two sections should be written in separate books. 4) Neat diagrams must be drawn wherever necessary. 5) Figures to the right indicate full marks. 6) All questions carry equal marks. 7) Your answers will be valued as a whole. 8) Use of logarithmic tables, slide rule, Mollier charts, electronic pocket calculator and steam tables is allowed. 9) Assume suitable data, if necessary. SECTION - I Q1) a) b) Explain the architecture of a general purpose embedded system. [8] What do you mean by design metric? Explain the following design metrics. i) Power. ii) Time to market. iii) Safety. iv) Maintainability. [10] OR Q2) a) b) Explain the architecture of IEEE 802.11. [8] Explain the protocol architecture of IrDA. Compare short CAN and MODBUS serial communication. [10] P.T.O. Q3) a) b) Explain the software architecture of an embedded system. [6] Describe the processor selection criteria for an embedded system for any three systems. [10] OR Q4) a) b) Explain the architecture of N/W processor. [8] What is interrupt latency? Explain the difference between interrupt latency for processor and operating system. Explain different I/O devices. [8] Q5) a) Explain the following : i) Semaphores for RTOS. ii) Mail-box for RTOS. Discuss the guidelines for code optimization. b) [8] [8] OR Q6) a) b) Explain the characteristics of round-robin interrupt architecture. [8] Differentiate ISR task, threads and processes. Define & explain context switching. [8] SECTION - II Q7) a) b) c) Distinguish: pre-emptive and non-pre-emptive scheduling. How data output generated for a IPC in process transfer. Explain Rate Monotonic Analysis (RMA). [6] [6] [6] OR Q8) a) b) c) Explain the objects of kernel in operating system. What do you mean by shared data bugs? Explain. Explain deadly embracing . [8] [6] [4] Q9) a) b) c) Explain the features of real time system development. Explain in brief RT-Linux module. Explain the application areas of RT-Linux. [4] [4] [8] [3664]- 215 2 OR Q10)a) b) What is C/OS II? Explain the features of C/OS II. Explain following for C/OS II : i) Time-delay functions. ii) Task-related function. [8] [8] Q11)a) b) Explain in detail basic features of smart card hardware. Explain the functioning of RFID system. [8] [8] OR Q12)Explain the embedded system used in digital camera. vvvv [3664]- 215 3 [16]

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