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'.
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'.