We use them all the time but do you know what they stand for?
.jpeg
Joint Photographic Experts Group
It is pronounced "jay-peg". JPEG is a colour image compression technique. It can reduce files to about 5% of their original file size. However, the more you compress a jpeg the more detail is lost.
.tiff
Tagged Image File Format
Much like the JPEG, TIFF files are used to compress images. It was developed to standardise desktop scanner file formats. The format was developed by Aldus (which has since been acquired by Adobe Systems) in the mid-80s and is now the most common form of image storage.
.png
Portable Network Graphics
It is an approved file format by the World Wide Web Consortium as an alternative to GIF files
.bmp or .dip
Bit Map Picture or device-independent bitmap
This is pronounced bitmap. This is the standard bit-mapped graphics format used in the Windows environment
.gif
Graphical Interchange Format
This is pronounced giff (hard g). It is bit-mapped graphics file format used extensively on the World Wide Web. GIF supports color and various resolutions. It also includes data compression, but because it is limited to 256 colors, it is better used on scanned images such as illustrations rather than color photos.
ok so here are a few. I may add a few more. It funny how when you are under pressure to remember something you use every day your brain freezes up i really struggles to get past JPEG!
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