A different type of I/O interface does not have the RS1 and RS0 inputs. Up to two

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A different type of I/O interface does not have the RS1 and RS0 inputs. Up to two registers can be addressed by using a separate I/O read signal and I/O write signal for each address available. Assume that 25 percent of the registers at the interface with the CPU are read only, 25 percent of the registers are write only, and 50 percent of the registers are both read and write (bidirectional). How many registers can be addressed if the address contains eight bits?

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Logic And Computer Design Fundamentals

ISBN: 9780133760637

5th Edition

Authors: M. Morris Mano, Charles Kime, Tom Martin

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