If you use Photo Booth goto the edit menu and choose Auto flip new photos
The camera built into current Macs (including the iMac, the Macbook, the Macbook Air, and the Macbook Pro) is known as the iSight
Yes. The new Macbook Air does have a frontward facing FaceTime camera.
The MacBook Air has a built in iSight camera. To add another camera you would need to specify what you wanted to achieve that you could not with the iSight.
When you open and use Skype it automatically uses Apples built in web cam.
You can use Photo Booth in the Applications folder to take pictures and movies using the built in camera. Check out the special effects too.
Apple's iMac, Macbook, and Macbook Pro lines of computers do have built-in iSight webcams, which have been praised for their image quality. The Mac mini, Mac Pro, and XServes do not have iSights, although it has been rumored that the Cinema Displays (which Apple recommends for these machines) will be updated to add iSights. Not all. a few years ago, Apple switched to Intel CPUs. Since then, all iMacs, Macbooks, and Macbook Pros come with built in iSight cameras.
No they do not, the built in web cam came out with the MacBook and the MacBook Pro and to a lesser extent, the iMac G5.
No, there is no built-in camera.
Apple's eMac computers did not have a built in camera.
There is no graphics card to change as the graphic chips are built into the motherboard. This is common with most makes of laptop computers.
Yes
low quality