Answer:
Prevents lagging
Explanation:
This prevents the website from being slow and upto shape so those who access it dont have difficulties
Cools the engine oil, thsts what I think, but not sure bc u would cool the engine, and it's a fan
The underscore.
But actually you can use spaces in file names, in many file managers. I think it just shows you a space while it actually saves an underscore, or something like this.
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.
