Code No.310201 Set.No.3 III/IV B. Tech.(I-Semester) Exmaination,Nov.2002 Computer Organization (Common to Electrical and Electronics Engineering, Electronics and Communication Engineering, Electronics & Instrumentation Engineering, Electronics & Telematics) Time : 3 hours] Max.Marks : 80 Answer any FIVE questions. All questions carry equal marks. 1. Describe 8085 CPU organization. 2. a) Describe Memory hierarchy b) What is Virtual memory ? Explain, how demand paging is implemented. 3. Write an 8085 assembly language program for generating factorial of `N' (N!) , where N less than or equal to 5. 4. a) Explain various applications of micro programming. b) Explain, how interrupt driven I/O is implemented ? 5. a) Compare horizontal and vertical micro instructions. b) What is RISC. What are the advantages of RISC. 6. a) Explain the concept of instruction pipelining. b) Compare memory mapped I/O and I/O mapped. 7. Perform the following arithmetic operations in 1's and 2's compliment. a) 272 - 42 b) -2-28 c) 72 - 14 8.Write short notes on the following : a) Cash memory b) Pentium Processor c) DMA