When u are in the mouse properties window you can change the speed in which your pointer moves, change the speed of your double click on the mouse, change the look of the pointer make the pointer automatically move to default button in a dialog box have the pointer hide while you are typing. and change the number of lines that the scroll wheel will move when using it. there's actually a lot of optoons available in the mouse properties window. HOPE I WAS HELPFULL
2 4 9
Explanation:
Basically what I thought was the way was, since 2 is first, then its 1, then since 4 is second, it's added second, lastly to get the last oneI added them all and got 9 so that's third.
Answer:
The speed or quality was different.
Explanation:
The new ram that he installed most likely had a different rate, or was a different quality than the old ram.