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Computer Organization Question Paper - Jun 18 - Computer Science (Semester 3) - Visveswaraya Technological University (VTU)
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Computer Organization - Jun 18
Computer Science (Semester 3)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Draw neat diagrams wherever necessary.
Module-1
1.a.
Define addressing Mode. Give the detalis of different addresing modes.
(8 marks)
00
1.b.
Describe the basic operational concepts between the processor and memory.
(8 marks)
00
OR
2.a.
What is submarine? How to pass parameters to subroutine? Illustrate with an example.
(8 marks)
00
2.b.
How to encode assembly instructions into 32-bit words? Explain with examples.
(8 marks)
00
Module-2
3.a.
Define Bus Arbitation. With diagrams, explain the centalized bus arbitation mechanism.
(8 marks)
00
3.b.
With the help of timng diagram, briefly discuss the main phases of SCSI bus invloved in its operation.
(8 marks)
00
OR
4.a.
With neat diagrams, explain how to interface printer to the processor.
(8 marks)
00
4.b.
Draw the following methods of handling interrupts from multiple devices.
(8 marks)
00
i) Interrupt nesting/priority structure.
ii) Daisy chain method
Module-3
5.a.
Describe how to translate virtual address into physical addres with diagram.
(8 marks)
00
5.b.
Draw and explain the internal organisation of 2M x 8 asynchronous DRAM chip.
(8 marks)
00
OR
6.a.
Describe any two mapping functions in cache.
(8 marks)
00
6.b.
Describe the principles of magnetic disk.
(8 marks)
00
Module-4
7.a.
Perform the operations on 5 - bit signed numbers using 2's complement system. Also indicare whether overflow has occured.
(6 marks)
00
i) (-10) + (-13) ii) (-10) - (-13) iii) (-2)+ (-9)
7.b.
Perform the multiplication of 13 and -6 using Booth algorithm and Bit -pair recoding method.
(10 marks)
00
OR
8.a.
Perform the restoring division for 8/3 by showing all the steps.
(6 marks)
00
8.b.
Explain the logic diagram of 4-bit look ahead adder and its operations.
(10 marks)
00
Module-5
9.a.
Draw and explain multiple bus organizations along with its advantages.
(10 marks)
00
9.b.
Write down the control sequence for the instruction Add ($R_{3}$), R1 for single bus organization.
(6 marks)
00
OR
10.a.
WIth block diagram, explain the general requirements and working of digital camera.
(10 marks)
00
10.b.
Write the control sequence for an unconditional branch instruction.
(6 marks)
00
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