used to make up a photo. Cameras with higher resolution can take sharper photos. Resolution is expressed by the number of horizontal pixels multiplied by the number of vertical pixels in a square inch. For example, the most basic cameras have a resolution of 640 x 480 pixels per square inch (about 0.3 megapixels). Some advanced models can go up to 5 megapixels and beyond! If sharp 4 x 6 and larger prints are important to you, look for a camera that's capable of at least 1 megapixel resolution.
Secure Digital
Removable Secure Digital memory card are used in newer cameras because they are only about the size of a postage stamp.
SmartMedia
A type of removable memory card used in cameras from several major manufacturers.
USB port
USB stands for universal serial bus. A USB port is the connection on a personal computer to your digital camera or memory card reader.
xD Picture Card
A removable memory card used in some new Olympus and Fujifilm cameras that is about the size of a postage stamp.
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