RAM is also known as Computer Memory. This is short term temporary memory which will be erased as soon as the computer is switched off. It only deals with the things that are happening at the moment.
|Refresh / Reload||
The button that you use to download a web page again. In Internet Explorer it's called "Refresh" and in Mozilla Firefox and Google Chrome "Reload". You should press this button or press F5 or Ctrl+F5 key in your key board if for some reason a web page appears not to have loaded correctly.