Q1. Describe the DMA transfer with the help of a block diagram. Describe various modes of DMA transfer.
a) Input-Output versus Memory Bus.
b) Input-Output mapped versus Memory mapped Input-Output.
Q3. Describe various types of RAM. How many 128 bytes RAM chips are needed to provide memory of 2048 bytes? Illustrate the details of connections, clearly point out address, data and decoder configuration.
Q4. What do you mean by cache memory? Describe various mapping process while considering the organization of the cache memory.
Q5. With illustrations, describe:
a) Data transfer instructions.
b) Data manipulation instructions.
c) Program control instructions.