UNIT I [INTRODUCTION TO EMBEDDED COMPUTING AND ARM PROCESSORS] PART A

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1 UNIT I [INTRODUCTION TO EMBEDDED COMPUTING AND ARM PROCESSORS] PART A 1. Distinguish between General purpose processors and Embedded processors. 2. List the characteristics of Embedded Systems. 3. What are the challenges in designing of Embedded Systems. 4. Define upgradability of embedded systems. 5. Why micro controllers/processors are used in embedded systems? 6. Define little endian and big endian in ARM processor. 7. What is exception in ARM processor? 8. List different modes of ARM processor. 9. Define embedded systems. 10. What is state diagram and class diagram in embedded systems? 11. Distinguish between Von Neuman and Harvard architecture. 12. What is the purpose of supervisor mode? 13. State the function of co-processor. 14. Distinguish between requirement and specifications. 15. Distinguish between exception and trap. 16. List the characteristics of instructions. 17. What is busy wait? 18. What are the interrupt in ARM processor? 19. Define cache memory. 20. What is cachebit and cache miss? 21. What is static and dynamic power management? 22. What is ADL? 23. Define coprocessor. 24. What is CPSR in ARM? 25. What are the abstraction steps in embedded system design? PART-B 1. Explain in detail the design steps of model train controller. (APR/MAY 2015) 2. Explain the steps involved in embedded system design process. (APR/MAY 2015) 3. Describe the structural and behavioural description of methods used for designing an embedded system. 4. Explain the architecture of ARM. Explain various blocks in it. (NOV/DEC-2014) 5. Explain the features and modes of operation of ARM processor. (NOV/DEC 2016) 6. Explain instruction set preliminaries in ARM processor. (NOV/DEC-2014) 7. Explain the performance evaluation of CPU. (NOV-2014) 8. Discuss the CPU power consumption. (APR/MAY 2017) 9. Explain memory system mechanisms in detail. (NOV/DEC 2016) 10. Explain the operation of ARM processor with co-processor. (APR/MAY 2015) 11. Explain different modes of operation of ARM processor.

2 UNIT II[ EMBEDDED COMPUTING PLATFORM DESIGN ] PART A 1. Define Bus. 2. Define DMA. 3. What is Boot Block Flash? 4. Define Timer/Counter. 5. Define frame buffer. 6. Define compiler. 7. What is BIOS? 8. What is cross compiler? 9. What is the function of assembler? 10. What is data flow graph? 11. Distinguish between PC and PLC. 12. What is the function of compiler? 13. List few I/O devices used in embedded systems. 14. What is simulator? 15. What are challenges in debugging? 16. What is circular bufferand queue? 17. What is partitioning? 18. What is the principle of operation of touch screen? 19. List different CPU buses. 20. What is bridge and where it is used? 21. What is the function of control bus in CPU? 22. What is the function of Locator? 23. What are the criteria considered for program performance evaluation? 24. What is the requirement for bus arbitration? 25. What is in circuit Emulator? 1. Explain AMBA bus architecture in microprocessors. 2. Explain Bus architecture in ARM microprocessor. (NOV/DEC 2016) 3. Explain memory architecture with example to connect with ARM. (APR/MAY 2015) 4. Explain program validation and testing. (APR/MAY 2015) 5. Explain the program model used for embedded system programing. (APR/MAY 2015) 6. Explain Compilation, Assembly and Loading in embedded programing. (APR/MAY 2015)

3 7. Discuss in detail about Assembly and linking in embedded systems. (NOV-2014) 8. Discuss about clear box and block box testing. (NOV/DEC 2015) 9. Explain memory space interfacing with CPU. (NOV/DEC-2014) 10. Explain debugging techniques used in embedded system programming. (NOV/DEC 2015) 11. Discuss in detail about optimization of program level power and energy analysis. (APR/MAY 2017) 12. Discuss program optimization for program size. (APR/MAY 2017) UNIT III [PROCESSES AND OPERATING SYSTEMS] PART A 1. Define the terms: Process, and OS. 2. What is thread? 3. What are the timing requirements on processes? 4. Explain the states of a process. 5. Define scheduling. 6. What are the basic scheduling states? 7. Define schedules and dispatcher with its types. 8. Define context switching. List the types. 9. Define Process Control Block(PCB). 10. Define scheduling policies. Mention the scheduling states of a process? 11. What are the ways of assigning priorities in scheduling? 12. What are the types of scheduler in priority based scheduling? 13. What are the ways of communication in process? 14. Define multitasking. 15. Explain multiprocessing system. 16. Define IPC. 17. What are the types of inter process communication? 18. Define semaphore. 19. What is meant by message passing? 20. Define power management policy. 21. What are the power optimization strategies used for processors? 22. What is priority inheritance? 23. What is kernel? 24. How is a real time operating systems is uniquely different than a general purpose OS? 25. Give any two properties of OS. 26. What are the assumptions in RMS scheduling?

4 1. Discuss in detail about multi tasks and multiprocesses. (NOV/DEC 2015) 2. Explain the principle of priority based context switching mechanism. Discuss the various priority based scheduling algorithms. (NOV/DEC 2015) 3. Explain in detail how shared memory and message passing mechanisms are used for interprocess communication. (NOV/DEC 2015) (APR/MAY 2015) (APR/MAY 2017) 4. Explain the services of OS in handling multiprocess scheduling and communication. 5. Discuss the power management and optimization for processes. (APR/MAY 2015) 6. Describe in detail about the scheduling policies with suitable examples. (NOV-2014) 7. How to evaluate OS performance? Explain. (NOV-2014) 8. Explain POSIX. (APR/MAY 2017) 9. Explain RMS and EDF scheduling. (APR/MAY 2017) 10. Explain pre-emptive scheduling. 11. Explain various scheduling policies with suitable example. (NOV/DEC-2014) 12. Explain inter process communication. (APR/MAY 2015) UNIT IV [SYSTEM DESIGN TECHNIQUES AND NETWORKS] PART A 1. Define accelerator. 2. What is meant by processing element? 3. Define multiprocessor. 4. What is the advantage of multiprocessors used in embedded system design? 5. Define distributed embedded systems. 6. Define the terms: packets and arbitration. 7. Write down the networks for distributed embedded systems. 8. Distinguish multistage network from direct network. 9. Write some networks used for distributed embedded computing. 10. Define I 2 C bus. 11. Define the terms: Ethernet, and CSMA / CD. 12. Write the use of exponential back off technique. 13. Define message delay. 14. What is internet protocol?

5 15. What do you meant by routers? 16. Distinguish TCP from UDP. 17. Write some applications of internet enabled embedded systems. 18. Write higher level internet service provided by TCP. 19. Define message passing. 20. What is meant by avionics? 21. What is the use of attaching accelerator to CPU? 22. State the important requirements to develop network based embedded systems. 23. What do you mean by hardware accelerator? 24. State the advantages of network based design. 25. List the OSI layers from lowest to highest level of abstraction. 26. What is a distributed embedded architecture? 27. State some of the networks dedicated for embedded systems. 28. What do you mean by network based design? 1. Explain accelerated system design & list its advantages. (NOV-2014) (NOV/DEC-2014) 2. Explain any one type of network used for embedded system design. (APR/MAY 2015) 3. Explain how internet can be used by embedded computing systems. (APR/MAY 2015) 4. Explain the distributed embedded architecture with neat sketches. (NOV-2014) 5. With an example, explain internet enabled embedded systems in detail. (NOV/DEC 2015) 6. Explain the working of CAN bus and Ethernet. (NOV/DEC 2015) (APR/MAY 2017) 7. Explain in detail about MPSoCs and shared memory multiprocessors. (NOV/DEC 2016) 8. Explain the quality assurance process in Embedded Systems. (APR/MAY 2017) 9. With neat Diagram explain working of I 2 C. (APR/MAY 2017) \

6 UNIT V [ CASE STUDY ] PART A 1. Define data compressor. 2. What are the types of data compression? 3. What is the function of lossy data compression? 4. How many methods in data compression class? 5. Write types of program design for data compressor. 6. What is the difference between lossless and lossy compression? 7. What is the purpose of using Huffman coding in compression technique? 8. Define soft modem. 9. List out the applications of software modem. 10. Define the terms: baud rate and symbol table. 11. List out the advantage and disadvantages of software modem. 12. Define audio player. 13. What are the basic functions of audio players? 14. What is meant by masking? 15. Define digital still camera? 16. List out the some basic operations of digital still camera. 17. Define Bayer patterns. 18. What are the approaches used to determine focus in digital still camera? 19. Define TAM [Telephone Answering Machine]. 20. What are the two characteristics needed to sense the data in TAM. 21. Define Video accelerator. 22. Define intensity. 23. Define Engine control unit [ECU]. 24. Write short notes on hardware and software co-design. 25. Give any two advantages of Data Compressor. 1. Explain the design and testing of a data compressor. (NOV/DEC 2015) 2. Describe in detail about the designing aspects of software modem. (NOV-2014) (APR/MAY 2015) (APR/MAY 2013) 3. What are the FOSS tools for Embedded System development. Explain the tools in detail. (NOV-2014) (NOV/DEC 2015) 4. With neat diagram explain the design of Alarm clock. (NOV/DEC 2016)

7 5. Write notes on: (a) PDAs and (b) Set top box. (APR/MAY 2015) (NOV/DEC 2015) 6. Explain various steps involved in design of audio player. 7. Discuss about the designing of video accelerator. 8. Explain design of Still Camera by explain its hardware and software. (APR/MAY 2017) 9. Describe how engine control units are working. (APR/MAY 2017) 10. Describe how digital still cameras are designed. (NOV/DEC 2016) (APR/MAY 2017) 11. Explain about the design of telephone answering machine with neat sketch.

OXFORD ENGINEERING COLLEGE (NAAC ACCREDITED WITH B GRADE) DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING LIST OF QUESTIONS

OXFORD ENGINEERING COLLEGE (NAAC ACCREDITED WITH B GRADE) DEPARTMENT OF COMPUTER SCIENCE & ENGINEERING LIST OF QUESTIONS YEAR/SEM: IV/VII SUB.CODE: EC6703 STAFF NAME: S.RAJESWARI SUB.NAME: EMBEDDED AND