1. | In memory-mapped I/O… |
Discuss |
Answer: (a).The I/O devices and the memory share the same address space
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2. | The usual BUS structure used to connect the I/O devices is |
Discuss |
Answer: (c).Single BUS structure
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3. | The advantage of I/O mapped devices to memory mapped is |
Discuss |
Answer: (c).The devices have to deal with fewer address lines
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4. | The system is notified of a read or write operation by |
Discuss |
Answer: (d).Sending a special signal along the BUS
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5. | To overcome the lag in the operating speeds of the I/O device and the processor we use |
Discuss |
Answer: (b).Status flags
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6. | The method of accessing the I/O devices by repeatedly checking the status flags is |
Discuss |
Answer: (a).Program-controlled I/O
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7. | The method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is |
Discuss |
Answer: (c).Interrupts
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8. | The method which offers higher speeds of I/O transfers is |
Discuss |
Answer: (d).DMA
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9. | The process where in the processor constantly checks the status flags is called as |
Discuss |
Answer: (a).Polling
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10. | The interrupt-request line is a part of the |
Discuss |
Answer: (b).Control line
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