COMPUTER ORGANIZATION AND ARCHITECTURE

(MCA - Unit Test Paper)

Time : 3 Hours Max. Marks: 70

Instructions :

1) Q. 1 and Q. 7 are compulsory.

2) Solve any four questions from the remaining.

3) Draw neat diagrams wherever necessary.

4) Figures to the right indicate full marks.

1. a) Draw and explain the 32-bit (80486) architecture in detail. (10)

b) Define the term Software. Explain the types of software. (5)

2. What is pipelining? Explain instruction pipelining in detail. (10)

3. Convert the following : (2×5=10)

a) (27.625)₁₀= (?)₂

b) (4226)₈ = (?)₁₆

c) (FA3)₁₆ = (?)₁₀

d) (1011.11)₂ = (?)₁₀

e) (175.125)₁₀ = (?)₈

4. Explain Multiplexer and Demultiplexer in detail. (10)

5. Draw a memory hierarchy and explain all types of memory. (10)

6. What is an Interrupt? Explain various types of Interrupts in detail. (10)

7. Write short notes on the following (any three) : (3×5=15)

a) Parallel Processing

b) Full Adder

c) Compilers and Interpreters

d) DMA.

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