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

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