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1. Define the term external devices (I/O devices) and give reasons why we cannot connect the external devices directly to CPU/buses? (4 marks) 2. Differentiate

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1. Define the term external devices (I/O devices) and give reasons why we cannot connect the external devices directly to CPU/buses? (4 marks) 2. Differentiate between memory mapped and Isolated I/O. In your opinion, which is faster in term of operation? Give your justification. (6 marks)

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