Cameras
If you want to take pictures or hold video chats, you'll want a camera (or two) on the tablet. We'll discuss the specifics of cameras in a later chapter, but here are a few things to examine as you make purchasing choices.
Most tablets have one camera, but some have two or even three. The camera on the back of the tablet is for taking pictures, and the camera on the front is for video chat. In some cases, there might be two cameras on the back to take 3D photos and video images.
Be sure to look at the camera pixel resolution. Most cameras list their resolution in units of megapixels. A megapixel is a unit of one million pixels.
NOTE: A general rule of thumb is that the more megapixels, the better the camera, though this is not always ...
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