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 REALTIME SYSTEM UNIT - I 1. What is function of exceptions?(nov/de 2. How is ARM processor different from other processors?(nov/dec 3. What are the instruction set features useful for embedded programming?(may/june 4. What are the parameters used to evaluate CPU performance?(may/june 5. Enumerate various issues in real time computing.(nov/dec 6. Write short notes on ARM Processor.(Nov/Dec 7. Differentiate top-down and bottom-up design.(may/june 2014) 8. List the functions of ARM processor in supervisor mode.(may / June 2014) 9. State the functions of Co-processor.(Nov/Dec 2014) 10. What are the real time requirements of an embedded system? 11. What is an embedded system? 12. What are the typical characteristics of an embedded system? 13. Define UML. 14. Describe the relationship that exists between objects and classes. 15. Name the registers used in ARM processor. 16. Discuss about MMU. 17. What did you infer from the word pipelining? 18. Classify the types of power management features in CPU. 19. What are the two types of architecture? 20. In what ways CISC and RISC processors differ? 21. Why microprocessor is used in embedded system? 22. List the non-functional requirements of embedded system. 23. Define cache miss and cache hit. 24. What are the different types of cache miss? 25. Define page fault. 1. Write in detail about organization of ARM processor and co-processor.(nov/dec 2. State and explain various Instruction set preliminaries.(nov/dec 2014)
3. With a simple system namely, a model train controller, how will you use the UML to model systems?(may/june 2014) 4. Explain about Embedded system design process with suitable diagrams.(nov/dec 5. Describe the structural and Behavioural descriptions of methods used for designing an embedded system.(may/june 6. Discuss about the CPU performance and CPU power consumption. (Nov/Dec 2014) UNIT-II FIRST HALF 1. What are the different CPU buses? State the function of each.(may/june 2013& Nov/Dec 2. What is the bus protocols especially,the four-cycle handshake?(may/june 2014) 3. What do you mean by control bus in a CPU?(Nov/Dec 2014) 4. Define bus. 5. Define BIOS. 6. Define bus master. 7. What are the registers of DMA controller? 8. What are the reasons for multiple buses and bridges? 9. Define AMBA bus. 10. Differentiate SIMM and DIMM. 11. What is boot block flash? 12. Define aspect ratio. 13. What is meant by PCI? 1. Describe the system bus configuration and explain the bus protocol.(nov/dec 2. Explain the memory devices.(may/june 2014) 3. Elaborate the components of embedded programs. SECOND HALF 1. Name any two techniques used to optimize execution time of a program.(nov/dec 2. What does a linker do?(nov/dec 3. List the various compilation techniques.(nov/dec 4. What is a data flow graph?(may/june 2014) 5. Classify the types of assembler and describe its functions. 6. Define Compiler and cross compiler. 7. Provide any two features of software development for embedded system. 8. What is meant by absolute addresses? 9. What is the difference between program location counter and program counter? 10. What is meant by symbol table? 11. What is the importance of testing? 12. What are the two types of testing?
1. Describe the basic compilation techniques.(may/june 2014) 2. Discuss briefly about Assembly and Linking.(Nov/Dec 2014) 3. Describe the technique used for program validation and testing. UNIT-III 1. What is context switching?(nov/dec 2012 & Nov/Dec 2. What does a scheduler do in an operating system environment?(nov/dec 3. List the process of scheduling policies.(may/june 4. What are the power optimization strategies used for processes?(may/june 5. Define process.(nov/dec 6. What are the major inter process communication mechanisms?(may/june 2014) 7. What is multirate system? 8. What do you mean by release time? 9. Define periodic process. 10. What is time quantum? 11. What are the types of priorities? 12. What are the types of communication? 13. Compare process and thread. 14. Summarize the essential criteria of rate monolithic scheduling. 15. Define rate monolithic scheduling. 16. State the two ways of assigning priority to a process. 17. How to compute CPU utilization of the system? 18. Summarize the various scheduling states of a process. 19. Define priority scheduling. 20. Define TCB. 21. Define inter process communication. 22. What is RTOS? 23. What are the goals of RTOS? 24. What is shared data problem? 25. What is PCB? 1. Describe in detail about scheduling policies with suitable examples.(nov/dec 2014) 2. How to evaluate operating system performance? Explain (Nov/Dec 2014) 3. Explain the services of operating system in handling multiprocess scheduling and communication.(may. June 2014) 4. Discuss the power management and optimization for processes.(may/june 2014) 5. Discuss in detail about multitasks and multiprocesses.(nov/dec 6. Explain about inter process communication mechanism with neat sketch.(nov/dec.
UNIT IV PART A 1. What is a distributed embedded architecture?(april 2014) 2. List the OSI layers from lowest to highest level of abstraction.(april 2014) 3. What are the goals of design methodology? 4. Define Design Flow. 5. Define successive refinement. 6. What are the phases of water fall model? 7. What are the two types of requirements? 8. Define SDL. 9. What is CRC? 10. What is meant by system? 11. What is network? 12. Illustrate the specifications of a good requirement analysis. 13. Summarize the issues in hardware and software design for an embedded system. 14. Why we prefer shared memory multiprocessor?. 15. State Message Passing. 16. List and explain arbitration scheme types. 17. Assess the two different approaches for designing an embedded system. 18. Evaluate the issues in hardware and software design for an embedded system. 19. Describe the special characteristics of CRC card. 20. Illustrate the main stages of a design flow of an embedded system. 21. Draw the structure of hardware / software design. 22. What is meant by concurrent engineering? 23. What is meant by state chart? 24. Define quality assurance. 25. List the different types of technology used for design methodology. PART B 1. Explain in detail about design methodologies. 2. How do you perform state chart for AND and OR gate. 3. Explain in detail about CRC cards and methodologies. 4. Explain about quality assurance techniques. 5. Write about distributed embedded architecture. 6. Explain the various types of design flows with suitable diagrams. UNIT V PART A 1. Define software modem. 2. Define data compression. 3. Define OGM. 4. Name the coding technique used for text compression algorithm. 5. What is Data compressor? 6. What are the specifications for a fully functional system? 7. What are the specifications of a Alarm clock?
8. What are the functions of Digital Still Camera? 9. What are the software modules in Telephone answering machine? 10. What are the characteristics of telephone line? 11. How loop back can be performed in software modem? 12. What is the purpose of using accelerators in Digital still cameras? 13. What are the three major phases of picture taking in digital still camera? 14. Which kind of modulation is used in software modem? 15. Draw the block diagram of FSK detection scheme in MODEM. 16. Define flush in data compressor. 17. Summarize the new symbol table. 18. Outline the state diagram for encode behaviour. 19. Outline the state diagram of insert behaviour. 20. Draw the architecture of digital still camera. 21. Draw the brayer pattern of color image. 22. Illustrate the role of ADPCM scheme in telephone answering machine with neat diagram. 23. Find out the need of block motion estimation. 24. Describe about white balance. 25. Justify which compression is used for telephone answering machine. PART B 1. Discuss about data compressor in detail with suitable diagram. 2. Describe in detail about principle of operation of alarm clock. 3. Explain the operation of software modem in detail. 4. Explain about digital still camera with neat sketch. 5. Describe in detail about principle of operation of telephone answering machine. 6. Discuss about video accelerator in detail with suitable diagram