The easiest way to connect a printer to a mac is to use the USB cable to plug the printer into the computer. For most printers, that’s all you have to do. There’s no need to use the CD that came with the printer – OS X already comes ready to work with printers.
On a Macintosh the control key has two main uses.
Firstly, when using the mouse, if you hold down the control key while you click the mouse it gives you a contextual menu – a mini menu related to what you are doing at the time. Try it now – hold down the control key and click somewhere in this window. A menu will appear! This is exactly the same as a right-click with the mouse. The control key was more important in the days when Apple computers just had a one button mouse.
Switching to OS X from a PC is a big change. Here are a some of my random thoughts on the transition.
Here’s a list of some programs that you can download for free from versiontracker.com or find via a google search to supplement the software that comes with your mac.