Why does my computer know what i have searched for on my Iphone?

I search things on my phone and then i get on my computer at a different location and it knows what i have searched for. Why does it do that?

Added (1). @Muhammad Its on a computer i have never synced my phone with

Added (2). @Para Yes that must be it.

Big Brother is watching…

The browser on your phone syncs with the browser on your desktop when you attach your phone to pc exclude your browser from sync
I believe you use firefox on both cell phone and your pc means to say use same browser on both
AND STOP WATCHING THAT! X-D

Are you logged on into google on both devices? If you are, chances are that this is the reason for getting the same results.

Are you using google to search?
if you are logged in with google it saves your searches online, so you can see it from any device. That may be it.