Describe why direct memory access (DMA) is considered an efficient mechanism for performing I/O.
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Q18: Which of the following components of a
Q19: Which of the following clears the interrupt
Q20: The CPU catches the interrupt and _
Q21: Describe why multi-core processing is more efficient
Q22: Why is main memory not suitable for
Q24: Explain the difference between protection and security.
Q25: Explain the purpose of an interrupt vector.
Q26: Distinguish between system and application programs.
Q27: Explain cache coherency.
Q28: What role do device controllers and device
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