B.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Fifth Semester
Computer Science
COMPUTER ORGANIZATION AND ARCHITECTURE
(CBCS 2011 onwards)
Time 3 Hours Maximum 75 Marks
Part A (10 x 2 20)
Answer all questions.
1. What are the basic symbols are used for Register
transfers?
2. Write the micro operations for logical AND, OR, NOT.
3. Draw the Block diagram for Input, Output configuration.
4. Write the functions of Interrupt cycle.
5. Write the major components of CPU.
6. Write the principle of register stack.
7. Draw the Hardware for signed component addition
and subtraction.
8. Draw the block diagram of CPU-IOP communication.
9. What is meant by locality of reference?
10. Write the differences between ROM and RAM.
Sub. Code
1BCE5C2
AFC-10387
2
WS3
Part B x 5 25)
Answer all questions, choosing either or
11. Explain the functions of computer registers.
Or
Explain about three-state bus buffers.
12. Explain about program loops.
Or
Explain the flow chart for multiplication program.
13. Describe about the types of Addressing modes.
Or
Explain about the RISC computers.
14. Describe about DMA transfer.
Or
Describe with flow chart Booth's Multiplication
Algorithm.
15. Explain the page replacement mechanism in virtual
memory.
Or
Explain the mechanism of Associative memory.
Part C x 10 30)
Answer any three questions.
16. Describe about timing and control unit.
17. Explain about memory reference instructions.
AFC-10387
3
WS3
18. Explain about stack organization.
19. Explain with flow chart of division algorithm of fixed
point numbers.
20. Describe the characteristics of multiprocessor.
————————