North Maharashtra University 2009 B.E Computer Science and Engineering Computer Organisation, S.E/ - Question Paper

Monday, 04 February 2013 02:10Web

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COMPUTER ORGANISATION NOV - DEC 2009

Tim# ;Thrse Hour_P<v<Ug? - en._Max. Marks: 100

Instructions to Candidates:

1, Do not write anything on question paper except Seat No

2 Answorsheet should be written with blue ink only. Graph or diagram should

be drawn with the same pen being used for wilting paper or black HB pencil

3. Student should note, no suppliment will be provided 4 Assume suitable data. If necessary S. Use of non-programmable calculator is allowed 6 Figures to right indicate full marks.

7. All questions are compulsory solve any two subquestion from each question

UNIT-1

1. a) Explain addressing modes of 08000 with example? 10

b) Explain briefly functional units of a computer with diagram ? 10

c) Describe briefly different bus structure of computer system of form operational

system

10

UNIT II

2. a) Explain the example and necessary block diagram for restoring division

algorithm 10

b) Write short note on' . 1 I) Data types

ii) Fixed and floating point representation

c) Explain Booths algorithm and multiply the following pair of number using Booth's algorithm 10

I) (15, -21)

n) (.22, *30)

1

p .

r

f

UNIT. Ill

* ) Explain classical method of hardwired control unit design 10

b) What is microprogrammed control unit ? What are drawbacks of

microprogrammed control unit & compared it with hardwired control unit ? 10

c) For a single bus CPU, write the sequence of micro instruction to execute an instruction MUL A, NUM where NUM is memory location and A is CPU register.

10

UNIT IV

4. a) What a virtual memory ? How logical address is translated uito physical

address in virtual memory 10

b) Compare SRAM. ORAM and RDRAM ? 10

c) Describe briefly features of flash memory 7 With its application ? 10

UNIT - V

10

ft. a) Describe UNIBUS standards with reference to its snala. need, tawng

diagrams and advantages

b) Explain SCSI, PCI bus in detail.

c) Explain I/O channels and write advantage* of RISC ?