Answer:
The answer is Live Preview.
Explanation:
<em>Live Preview is a Powerpoint tool that helps the user to find out how a singular choice will change the appearance of the presentation, without committing any change. This application allows the user to edit any slide and see the changes without any risk of damaging the rest of the presentation.</em>
<em>It lets the user see how an actual change will look on the slide object before the user decides to accept or decline the change.</em>
<em>It is a powerful resource, because we know how handful it is to prepare a powerpoint presentation.</em>
<span>A network layout or topology that is the most common, the most simple and easiest to use out of the four network topologies is the Bus topology, one cable is used for installation so it is also the cheapest network type.</span>
Well, it is safe to turn a computer on without a RAM, but you can't really do it. RAM is one of the essential components in computers without which you can't really use a computer. You can turn it on, however, nothing will appear on your screen and the system won't boot. So, technically, it is safe, but it won't do anything to your computer as it cannot run without RAM.
HTTP or HTTPS is most likely the answer you are looking for.