1. Every time you want to edit a photo, your PC pulls up a Viewer application that has no editing capabilities. To avoid this frustration in the future, you have to change the application that is...

1. Every time you want to edit a photo, your PC pulls up a Viewer application that has no editing capabilities. To avoid this frustration in the future, you have to change the application that is associated with the JPEG and PNG file extensions.

2. Your friend has an iPod Touch that’s loaded with all kinds of applications. But every time there’s a software update, your friend grumbles about “redoing stuff.” You guess that your friend’s iPod is.