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Photographic Possibilities, 2nd Edition by John Valentino, Robert Hirsch

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Photography and Computers

WHAT IS A DIGITAL COMPUTER?

A digital computer is an electronic device designed to store and process information, such as text or an image, as a set of instructions known as binary code and display it on a screen. This binary code is analogous to a light switch that operates in two states— “on” and “off”—represented by the digits 1 and 0. This code allows a digital image to be easily manipulated and stored.

WHAT IS A DIGITAL IMAGE?

We are familiar with the adage that “history repeats itself.” This saying may refer to actual events or may be applied to how people react when confronted with a new experience. During photography's infancy, the French symbolist poet Charles Baudelaire dismissed the medium as ...

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