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                  Council for Technical Education and Vocational Training
                            Office of the Controller of Examinations
                                           
Sanothimi, Bhaktapur
                              Regular/Back Exam-2079, Bhadra /Ashwin
         Program:    Diploma in IT Engineering                      Full Marks: 80                                                      
Year/Part:  II/I (2016)                                                   Pass Marks: 33                                                  Subject:      Computer Architecture                            Time: 3 hrs.                                                  .............................................................................................................................                                          Candidates are required to give their answers in their own words as far as practicable. The                                                          figures in the   margin indicate full marks.

      Attempt Any Eight questions.

1. Define computer Architecture. Differentiate between                      [2+8]                                                    computer architecture and computer organization.

2. Explain the structure of control unit. What are hard wired               [5+5]                                                   controls? Explain.

3.What are the difference between RISC and CISC Computers?        [6+4]                                          Does RISC provide better performance than CISC? How?

4.Explain addition and subtraction with signed 2's complement           [10]                                                with algorithm.

5.Define Mapping. Explain about direct and associative mapping.    [2+8]

6.Differentiate between:                                                                      [5+5]

a) Programmed I/O and interrupt driven I/O                                                                                                      b) Symbolic microprogram and binary microprogram

7.What are different data transfer and manipulation instructions?       [10]                                            Explain them briefly.

8.What is parallel processing? Explain about three segment              [2+8]                                    instruction pipeline.

9.Write short notes on: (Any Two)                                                  [2x5=10]
 a) Sub routine call and return
 b) DMA
 c) Memory Interleaving
                                                
Good Luck!

 

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