In the past when CRT monitors were in usage,the ui needs to be painted on the sc... | Hacker News

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		mahe_d on July 5, 2015 \| parent \| context \| favorite \| on: Ask HN: What was the Windows “refresh” button for? In the past when CRT monitors were in usage,the ui needs to be painted on the screen.The crt technology refreshes screen so that pixels can work properly.If they are not refreshed,then some pixels become 'dead'.

aaronem on July 5, 2015 [–]

That happens at a much, much lower level than we're talking about here.

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