Photos are generally better rendered as JPEGs, which support 24-bit color, and they can be highly compressed. Charts, screen shots and technical drawings are typically GIFs, because GIFs use lossless compression, and the text is maintained properly. GIFs and JPEGsBoth GIF and JPEG images are widely supported on the Web. GIF89a also supports a limited form of animation by rendering multiple frames in sequence (see animated GIF). GIF89a allows one of the colors to be transparent and reflect the background color of the underlying page or window (see alpha channel). GIF87a and GIF89aThe original GIF87a and subsequent GIF89a are named after their year of introduction. If all the colors in the image are within a tight range, GIFs provide excellent realism for an 8-bit format. For example, the palette for an image of a forest would mostly contain shades of green and brown. Pronounced 'jif' or 'gif' (hard g), GIF images are widely used on the Web because the format is compressed and takes up less space.GIF supports 8-bit color (256 colors), but it gets the most mileage out of its limited colors by using a built-in color palette. ( Graphics Interchange Format) A popular bitmapped graphics file format developed by CompuServe.

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