The Hand Sweeps Once
Four frames in a circular list, with their use bits. The clock hand currently points at slot 0, and a page fault needs a victim.
| slot | page | use bit |
|---|---|---|
| 0 | A | 1 |
| 1 | B | 0 |
| 2 | C | 1 |
| 3 | D | 1 |
Which page is evicted, and what do the use bits look like afterwards?
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