Raster Refresh systems:
Electron beam is swept across the screen, one row at time, from top to bottom. Each row is referred to as a scan line. As the electron beam moves across a scan line, the beam intensity turns on and off to create a pattern of illuminated spots.
LCDs:
Operating by producing a picture by passing polarized light from the surroundings or from an internal light source through a liquid-crystal material that can be aligned to either block or transmit the light.
Do you mean to "refresh" a website showing on a desktop? On my operating system of Ubuntu 12.04. I simply press f5 and the screen is refreshed.
you cant in the main part when you are looking at your profile, but you can refresh pictures by clicking on them and you can refresh your newsfeed
Refresh data
The easiest way to make auto refresh on a webpage is using of meta refresh:"5" is a refresh interval in seconds.Put it in between and tags.
Refresh - either right-click then Refresh - or at top of page View / Refresh
mobile refresh
hit the refresh button
request.setHeader("Refresh",Time);
Refresh Festival was created in 2007.
Refresh the Demon was created in 1996.
Refresh My Heart was created in 1991.
Refresh FM was created in 2003.