Anna University Chennai 2007 B.Sc Computer Science COMPUTER ARCHITECTURE - Question Paper

B. Sc. DEGREE exam

COMPUTER ARCHITECTURE

Time : 3 Hours Maximum : 100 marks

ans ALL ques.

PART A – (10 X two = 20 marks)

1. What is meant by Big Endian and Little Endian?
2. Why stack is preferred over other methods for storing the subroutine return address?
3. What is normalization?.
4. Write short notes on chopping n floating point numbers.
5. What is instruction and data hazard in pipelining?
6. State the need for control store memory.
7. Define latency and bandwidth of memory unit.
8. Give the difference ranging from EEPROM and Flash Memory.
9. Why ADSL is called as asynchronous?
10. Give the advantage of serial communication.

PART B – (5 X 16 = 80 marks)

11. (a) (i) discuss various kinds of instructions with example (8)

(ii) explain in detail about carry look ahead adder. . (8)

12. (a) With suitable example discuss Booth algorithm to multiply 2 numbers (16)


(Or)

(b) discuss in detail about floating point addition and subtraction unit (16)


13. (a) discuss in detail about microprogram sequencing with suitable example. (16). or

(b) explain in detail how branching is handled in pipelining. (16)

14. (a) With neat diagram discuss the organisaton of SDRAM. (16)

(or)

(b) (i) discuss the memory hierarchy based on speed, size and cost. (4)
(ii) explain about LRU block replacement algorithm. (6)
(iii) discuss the way of translating virtual memory address in detail (6)

15. (a) discuss the various data transfer modes with suitable examples (16)

(or)

(b) explain in detail about synchronous and asynchronous mode of serial communication. (16)

Earning:   Approval pending.