Biju Patnaik University of Technology 2010 B.Tech Information Technology ,PCCS4301/COMPUTER ORGANIZATION - Question Paper

1.Answer the subsequent question:

(a) What is the function of MAR.

(b) What is the benefit of using multi-bus architecture compared to single-bus architecture .

(c) Differentiate ranging from direct access vs. sequential access.

(d) What is the unit of data transfer ranging from processor and cache memory .

(e) List at lowest 1 difference ranging from SDRAM and DDR SDRAM.

(f) Differentiate ranging from DRAM and SRAM in terms of cost ,speed and size.

(g) describe the term seek time.

(h) What do you understand by exponent overflow.

(i) Is ROM a RAM.Justify your ans.

(j) Differentiate ranging from horizontal and vertical microprogramming .

2(a) List the various cache mapping technique .Explain any 1 of them.

(b) A two-way set associative cache memory uses blocks of 4 words.The cache can accommodate a total of 2048 words from main memory .The main memory size is 128K*32.What is the size of cache?

3(a) elaborate the various kinds of ROM .Explain their relative merits and demerits.

(b) discuss the mechanism of virtual address translation using TLB.

4(a) List the 4 option methods of rounding the outcome of floating-point operation.

(b) Draw a flow chart to illustrate floating point division.

5(a) provided x=0101 and y=1010 in 2 compliment notation .Compute the product p=x*y with Booth's algorithm.

(b) Represent the number 0.5 in IEEE 754 single precision format.

6(a) State the relative advantages and disadvantages of various addressing modes.

(b) With an example show the addressing mechanism in bid-endian and little-endian format.

7(a) Write a program to calculate the function X=(A+B*C)/(D=E*F) in a 3 addressed machine.

(b) Convert the arithmetic expression A*B+A*(B*D+C*E) into reverse Polish notation.

8 Write short notes on any 2 of the subsequent :

(a) Virtual memory

(b) Microprogramming control

(c) Segmentation

Earning:   Approval pending.