Why do Mac computers have what it seems to be a camera on top of the monitor?

Answer Yes, it is. They are generally used for video / audio chat through applications such as iChat and Skype.PhotoBooth and other software lets you use them to take photographs.

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Can you have two computers run off the same monitor?

If you are trying to hook up two computers to one monitor, keyboard, mouse set up, then you need a KVM switch. You can buy them at your local computer store, from about $50-$100. Click the link be... Read More »

How do i run 2 computers on 1 monitor?

Yes, you will need a "switch" that will take the signal of both and allow you to pass it between systems. Below is the link to tell you more about the KVM and where you can go to buy it.

Is it possible to run 2 computers on 1 monitor and if so how ... ?

Buy a KVM switch then you only need one Keyboard, Mouse and Monitor.

New canon PRO1 digital camera the camera is showing a raw error on the LCD monitor what is the problem?