Introduction to Embedded System Design — DU B.Sc. (Hons) Physics Previous Year Question Papers

(i) Washing machine (ii) Smart watch (iii) Microwave oven (6+6) Systems Design 2. Attempt five questions in all. (a) Define an embedded system. (b) What are the pros and cons of using COTS components in embedded system design? (c) Discuss at least two practical applications of (d) Describe the design and functionality of digital cameras and laser printers. (e) Compare and contrast Reduced Instruction Set Computing (RISC) and Complex Instruction Set (f) Compare and contrast GPRS, 3G, 4G, and LTE mobile communication technologies. 2. (a) What are ASICs and PLDs. Discuss about their roles in embedded systems. (b) Compare their advantages and disadvantages in terms of performance, cost, and application suitability. (6+6) 3. (a) What is a light emitting diode (LED). Compare a standard LED with 7-segment LED in terms and functionality? (b) Explain with an example of how a 7-segment display is used in electronic devices. (6+6) 4. (a) Discuss the evolution of Universal Serial Bus (USB) technology from its inception to its current state. (b) How has USB influenced peripheral device connectivity? (6+6) 5. (a) Explain how Non Operational Attributes help in improving the designing of embedded systems. (b) What are the four basic building blocks in Arduino programming, explain. (6+6) 6. Describe the fundamental design and working of any two devices from the following :