Exam Details
| Subject | computer organisation and architecture (cs, it) | |
| Paper | ||
| Exam / Course | b.tech(cs) | |
| Department | ||
| Organization | Dr. A.P.J. Abdul Kalam Government College | |
| Position | ||
| Exam Date | May, 2017 | |
| City, State | dadra nagar haveli, silvassa |
Question Paper
B B4B071 Pages: 2
Page 1 of 2
Reg.
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FOURTH SEMESTER B.TECH DEGREE EXAMINATION, MAY 2017
CS202: COMPUTER ORGANISATION AND ARCHITECTURE IT)
Max. Marks: 100 Time: 3 hrs
PART A
Answer all questions. Each carries 3 marks.
1. Write notes on condition codes.
2. Explain indirect addressing with an example.
3. Draw the flow chart for Booth's Multiplication algorithm.
4. Explain the process of storing a word in memory using a single bus organization. Specify
which all control signals will be activated.
PART B
Answer any two questions. Each carries 9 marks.
5. Briefly explain the memory access instructions and addressing modes of ARM
processor
Write notes on multiple bus organization
6. Explain the terms processor stack, stack frame and frame pointer with relation to
subroutine processing. Use a relevant example.
7. Draw and explain the flow charts for floating point multiplication and division.
PART C
Answer all questions. Each carries 3 marks.
8. Differentiate between programmed I/O and interrupt driven I/O.
9. Define the terms a)Latency b)Bandwidth c)Memory cycle time
10. Why do dynamic RAMs need constant refreshing? How is this done?
11. Explain Direct Memory Access. What is burst mode DMA?
PART D
Answer any two questions. Each carries 9 marks.
12. Distinguish between centralized and distributed bus arbitration?
Write notes on set associative cache mapping.
B B4B071 Pages: 2
Page 2 of 2
13. Distinguish between synchronous and asynchronous DRAMs
Explain the important Data transfer signals on the PCI bus.
14. Describe the different types of ROMs.
Explain the procedure and the packets used for an output transfer in USB interface.
PART E
Answer any four questions. Each carries 10 marks.
15. Describe processor organization with diagram using scratchpad memory Two port
memory.
16. Design a 4bit Arithmetic unit which performs the following operations on two inputs A
and controlled by selection variables s1 and s0 and input carry Cin:
s1 s0 Cin 0 Cin 1
0 0 F=A
0 1
1 0
1 1 F=A
17. Write notes on status register.
Distinguish between horizontal and vertical microinstructions.
18. What is the significance of a micro program sequencer? Explain its working with the help
of a diagram.
19. Explain micro programmed CPU organization with the help of a diagram.
20. With the help of a block diagram, describe a complete processor unit with all components
and appropriate control variables. Show with an example, how a control word for the
processor can be defined.
Page 1 of 2
Reg.
APJ ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FOURTH SEMESTER B.TECH DEGREE EXAMINATION, MAY 2017
CS202: COMPUTER ORGANISATION AND ARCHITECTURE IT)
Max. Marks: 100 Time: 3 hrs
PART A
Answer all questions. Each carries 3 marks.
1. Write notes on condition codes.
2. Explain indirect addressing with an example.
3. Draw the flow chart for Booth's Multiplication algorithm.
4. Explain the process of storing a word in memory using a single bus organization. Specify
which all control signals will be activated.
PART B
Answer any two questions. Each carries 9 marks.
5. Briefly explain the memory access instructions and addressing modes of ARM
processor
Write notes on multiple bus organization
6. Explain the terms processor stack, stack frame and frame pointer with relation to
subroutine processing. Use a relevant example.
7. Draw and explain the flow charts for floating point multiplication and division.
PART C
Answer all questions. Each carries 3 marks.
8. Differentiate between programmed I/O and interrupt driven I/O.
9. Define the terms a)Latency b)Bandwidth c)Memory cycle time
10. Why do dynamic RAMs need constant refreshing? How is this done?
11. Explain Direct Memory Access. What is burst mode DMA?
PART D
Answer any two questions. Each carries 9 marks.
12. Distinguish between centralized and distributed bus arbitration?
Write notes on set associative cache mapping.
B B4B071 Pages: 2
Page 2 of 2
13. Distinguish between synchronous and asynchronous DRAMs
Explain the important Data transfer signals on the PCI bus.
14. Describe the different types of ROMs.
Explain the procedure and the packets used for an output transfer in USB interface.
PART E
Answer any four questions. Each carries 10 marks.
15. Describe processor organization with diagram using scratchpad memory Two port
memory.
16. Design a 4bit Arithmetic unit which performs the following operations on two inputs A
and controlled by selection variables s1 and s0 and input carry Cin:
s1 s0 Cin 0 Cin 1
0 0 F=A
0 1
1 0
1 1 F=A
17. Write notes on status register.
Distinguish between horizontal and vertical microinstructions.
18. What is the significance of a micro program sequencer? Explain its working with the help
of a diagram.
19. Explain micro programmed CPU organization with the help of a diagram.
20. With the help of a block diagram, describe a complete processor unit with all components
and appropriate control variables. Show with an example, how a control word for the
processor can be defined.
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