Q1. By using a neat flow chart describe the process of subtraction of the floating point numbers.

Q2. prepare down the data flow via registers used in the hardware realization of restoring division algorithm while dividing (10100011) by (1011).

Q3. With necessary block diagram, describe the DMA data transfer scheme.

Q4. By using two addresses instruction format prepare down an assembly language program to assess the given expression:

E = (K+M*N-A/B)/(C*D)

Q5. What do you mean by Virtual memory? describe how it is implemented in the computer system?

Q6. A digital computer system consists of a memory unit of 64K X 16 and a cache memory of 1K words. The cache employs direct mapping with a block size of four words.

a) Determine the number of bits which are there in the tag, index, block and words fields of the address format?

b) Determine the number of bits which are there in each word of cache and describe how are they divided into functions? Comprise a valid bit.

c) Determine the number of blocks the cache can accommodate?