Question: 1) a) Briefly explain then bus arbitration.? b) Explain the functions of four different registers located in CPU.? c) State the importance of having a

1)

a) Briefly explain then bus arbitration.?

b) Explain the functions of four different registers located in CPU.?

c) State the importance of having a Program Status Word and list the content of it.

d) Briefly explain different DMA configurations used for Input/Output communication.

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