Question: Suppose that you want to use a paging algorithm that requires a reference bit ( such as second - chance replacement or working - set

Suppose that you want to use a paging algorithm that requires a reference
bit (such as second-chance replacement or working-set model),
but the hardware does not provide one. Sketch how you could simulate
a reference bit even if one were not provided by the hardware, or
explain why it is not possible to do so. If it is possible, calculate what
the cost would be.

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