How can I select just one part of the picture?

Question

So, I have a picture that I am trying to format. I would like to select only the apple, and erase the rest of the background. Anybody have any ideas? I have photoshop on my computer. I have attached the picture so you can see it.

http://images.search.yahoo.com/images/view?back=http%3A%2F%2Fimages.search.yahoo.com%2Fsearch%2Fimages%3Fp%3Dmac%2Blogo%2Bblue%26ei%3DUTF-8%26fr%3Dyfp-t-501%26xargs%3D0%26pstart%3D1%26b%3D21%26ni%3D20&w=500&h=375&imgurl=static.flickr.com%2F3167%2F2526354606_17b8036e6f.jpg&rurl=http%3A%2F%2Fwww.flickr.com%2Fphotos%2Fbrnboy313%2F2526354606%2F&size=37.2kB&name=Apple%20Wallpaper-Minimalist&p=mac%20logo%20blue&type=JPG&oid=985938552ecb1500&fusr=Brnboy313&t*t=Apple%20Wallpaper-Minimalist&hurl=http://www.flickr.com/photos/brnboy313/&no=32&tt=271

Answer 1

on photoshop right click on the eraser tool, which will bring out a little list, which will be the eraser tool, background eraser tool and the magic eraser tool, click on magic eraser tool, now click on the blue part of the picture and voila its gone! hope this helps ^_^