Q: What are the two types of register sets used in Z80?

A C’D’ and BC’
B CD and BD
C IV and MR
D Main and alternate

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Answer: D

Explanation:

Z80 uses two sets of registers, namely, the main registers and the alternate registers. The main registers are used for general purpose operations, while the alternate registers can be switched in to provide an extra set of registers for more complex operations.

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Q: What are the two types of register sets used in Z80?

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