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Unformatted text preview: Comment on the advantage of De-fragmentation 2. What are major functions of an I/O module? 3. List and briefly define three techniques for performing I/O. 4. What is the different between memory-mapped I/O and isolated I/O? 5. When a device interrupt occurs, how does the processor determine which device issue the interrupt? 6. When a DMA module takes control of a bus, and while it retains control of the bus, what does the processor do?...
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This note was uploaded on 08/18/2011 for the course COMP 3868 taught by Professor Keithchan during the Summer '97 term at Hong Kong Polytechnic University.
- Summer '97