University of Madras
Chepauk, Chennai-600 005.
B.Sc Computer Science
SAE5C-November - 2012
PART A - (10 * 2 = 20 marks)
Answer any TEN questions. All questions carry equal marks. 1. What are the major components of computer systems? 2. What is an instruction cycle? 3. List the four memory access methods. 4. What are the two common types of DRAM? 5. What are the applications of ROM? 6. Give any two disadvantages of CDROM. 7. What are major functions of I/O Module? 8. Write the typical elements of machine instruction. 9. What are the roles performed by processor register. 10. What is delayed branch? 11. What are the two approaches to implement control unit? 12. What is micro-instructions? PART B - (5 * 5 = 25 marks) Answer any FIVE questions. All questions carry equal marks. 13. List and briefly define the functional groups of signal for PCI. 14. Give a brief account on memory hierarchy. 15. Distinguish between Dynamic RAM and Static RAM. 16. Define the following terms. Seek Time, Rotational Time, Access Time and Transfer Time. 17. What are the factors go into determining the use of the addressing bits of instruction? 18. What are the characteristics of Reduced Instruction Set Architectures? 19. Explain the control unit with a neat block diagram. PART C - (3 * 10 = 30 marks) Answer any THREE questions. All questions carry equal marks. 20. Describe the various elements of Cache design in detail. 21. Explain how data is read and written on to the magnetic disk. 22. Explain the Intel 8237 DMA controller with a neat block diagram. 23. Explain the various ways in which instructional pipeline can deal with conditional branch instructions. 24. Write a detailed note on micro-programmed control unit. |
November - 2008
PART A - (10 x 3 = 30 marks)
Answer any TEN questions. All questions carry equal marks. Each answer should not exceed 50 words. 1. What is meant by computer architecture? 2. What is a system software? 3. What are the different types of RAM? 4.Write about magnetic DISK. 5. What is an interrupt? 6. How will you represent a floating-point number? 7. What is a pipelining? 8. What is the use of a register? 9. What are the steps involved by CPU to execute an instruction? 10. What is a memory interleaving? 11.What do you mean by memory hierarchy? 12. What is a stack? PART B - (5 x 6 = 30 marks) Answer any FIVE questions. All questions carry equal marks. Each answer should not exceed 200 words. 13.Explain the processor bus organization. 14.What are the basics of RAID? Explain. 15.Explain about main memory in detail. 16. Discuss the various addressing modes with suitable example. 17.Explain about direct memory access. 18.Explain the characteristics of RISC Vs. CISC 19.Explain the working of hard wired control unit. PART C - (4 x 10 = 40 marks) Answer any FOUR questions. All questions carry equal marks. Each answer should not exceed 500 words. 20. Write a detailed note on cache memory. 21. Explain briefly about the concept of magnetic tape. 22. With a neat block diagram and explain the cons~ruction and function of arithmetic and logic unit. 23. What is exceptions? Describe about few common exception in detail. 24.Describe the design of pipelined instruction units. 25.Define the following: (a) Micro operation (b) Micro instruction (c) Micro program (d) Micro code. |
NOVEMBER - 2011 (PC5D)
PART A - (10 * 3 = 30 marks)
Answer any TEN questions. All questions carry equal marks. Each answer should not exceed 50 words. 1. Define an "Instruction cycle". 2. Explain the general structure of a computer. 3. List out there concepts related to internal memory. 4. What is a Sequential Access Memory"? 5. List out the typical hard disk drive parameters. 6. What are the different optical disks available? 7. How DVD differ from CD? State reasons. 8. How external devices are classified? 9. List out the drawbacks of programmed and Interrupt driven I/O. 10. How processing of instructions can be decomposed? 11. What do you mean by Link Register? 12. What constitutes a program execution? PART B - (5 * 6 = 30 marks) Answer any FIVE questions. All questions carry equal marks. Each answer should not exceed 200 words. 13. What are the key concepts of computer components? 14. Write notes on Interrupts and its classes. 15. Give in detail, the method of accessing memory types. 16. Write short notes on Associative Mapping. 17. Explain scheduling and its types. 18. Specify the use of large register file and explain. 19. What are the functional requirements for control unit? Explain. PART C - (4 * 10 = 40 marks) Answer any FOUR questions. All questions carry equal marks. Each answer should not exceed 500 words. 20. Explain briefly about the top-level view of computer function and its inter connections. 21. Distinguish and Discuss briefly about internal and external memory. 22. Explain I/O modules with examples. 23. Explain the instruction set with its characteristics. 24. Write in detail about processor structure. 25. Write briefly the concept of micro operations to design control unit. |