1. List six (6) interrupt sequence in an 8086 - system interfacing.
2. What is handshaking in interfacing process of 8086 and Direct Memory Access (DMA). Give an example of a unit that uses handshaking.
3. With the aid of simple diagrams ,explain the DMA based data transfer using DMA controller .
4. What is Direct Memory Access (DMA) interfacing ?
5. What are the three steps involved in the transfer mode of cyclic stealing in the DMA controller.

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1 Interrupt Sequences in 8086 System Interfacing In an 8086 microprocessor system various interrupt sequences are used for interfacing with external d... View the full answer