problem 1: describe in detail regarding the Architecture of 8089 Input-Output Processor.

problem 2: describe in detail regarding the Architecture of 8087 Input-Output Processor.

problem 3: Describe in brief regarding loosely Coupled Configuration.

problem 4: Describe in brief regarding tightly coupled configuration.

problem 5: describe the Memory interfacing and Input-Output interfacing with 8085.

problem 6: Draw the Block diagram of DMA controller and describe its operations.

problem 7: With a neat block diagram, describe in detail the internal architecture of 8255 and its registers.

problem 8: Describe the block diagram of the 8279 Keyboard or Display interface and its operations.

problem 9: Draw the Block diagram and describe the operations of 8251 serial communication interface.

problem 10: Draw the block diagram of the programmable interrupt controller and describe its operations.