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digital picture

Definition:

Digital pictures are photographs stored as a file, usually in JPEG format. Digital pictures can be produced from any type of digital photo source such as a digital camera.

Here's a word you may not know...

memory

Memory is what a computer uses to keep track of all the processes or applications that are running on the computer. It is much like the memory of a human in that the more memory you have the more you can remember. Computer memory is considered volatile since it is wiped clean when a computer is powered off.