The three most common operating systems for personal computers are Microsoft Windows, Apple Mac OS X, and Linux.
Answer:
power on, connect to internet, download games
1. Horsing around can lead to breaking equipment in the classroom or somebody getting hurt
2. leaving your backpack on the floor can cause someone to fall
3.something unexpected may happen and worsen the problem
4. it can corrupt the computer's files and deleted unsaved work.
if you want the sentences to be longer, add some words to them and make the message the same.
The answer is (A)
TwiceFormat painter is that icon tool that looks like
a paintbrush that is used to pick up formatting of an existing text and then
paints it on the next text you select. If you wish to apply the formatting to
more than one element, you should double-click the format painter and press esc
key to deactivate.