EC201 Pages: 2

14. Draw and explain the block diagram of typical Microprogrammed Control Unit

MODULE IV

15. What is DMA? Explain its operation.

OR

16. Discuss the working of USB.

17.
18.

19.

20.

MODULE V

Explain the working of a DRAM and SDRAM with block diagrams OR
Explain the internal organization of a dynamic memory chip and design 1K* 8
memory chip using decoders.

MODULE VI
What is Segmentation? Explain the segmentation hardware with a neat diagram.
OR
Discuss any two different types of cache mapping schemes. A set-associate cache
consists of a total of 64 blocks divided into four-block sets. The main memory contains
4096 blocks, each consisting of 128 words. How many bits are there in the main
memory address? How many bits are there in each of the TAG, SET and WORD fields?

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