Question: 2. Interrupt and polling are useful when interfacing I/O devices that provide or require data at relatively low data transfer rates. a) Differentiate between

2. Interrupt and polling are useful when interfacing I/O devices that provide

2. Interrupt and polling are useful when interfacing I/O devices that provide or require data at relatively low data transfer rates. a) Differentiate between the interrupt and polling. (4 marks) b) List TWO (2) ways to expand the interrupt structure of the 8086 and discuss how each of these structures determine the interrupt priority. (8 marks) c) Describe the operation of the 8086 microprocessors after an interrupt is accepted. (8 marks)

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