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Monday, November 22, 2010

File Types

A Jpeg file is a Raster/Bitmap file format and is best not to be used, as after saving the image, it can not be edited at all.

Advantages:
Has a variety of compressionable sizes
Good for small filed photos/images
Dis-advantages:
Lossless compression
Loss of quality when using the zoom in feature
Doesn't support layers

A Gif file is a Raster/Bitmap file format that is mostly used for online images as not alot of memory is required. It is also used for animated images aswell.

Advantages:
Good for small filed photos/images
Transparency can be used
Dis-advantages:
Lossless compression
Not good detail for photos/images

A Psd file is a Raster/Bitmap file format that is great for editing photos or for creative graphical work. It is commonly used on Adobe Photoshop.

Advantages:
Good quality images
Large amount of colours can be used
Layers is supported
Dis-advantages:
Very large file sizes
Lossless compression

A Tif file is a Raster/Bitmap file format and is regullarly used, besides Psd's, for large and colourful images.

Advantages:
Great for image editing
Large amount of colours can be used
Dis-advantages:
Loss of quality when using the zoom in feature
Very large file sizes

A Bmp file is a Raster/Bitmap file format and is used mostly on the programme, Microsoft Paint.

Advantages:
Good quality images
Lossless compression
Dis-advantages:
Very large file sizes

A Ai file is a Vector file format which is good for offices and businesses as they're logo could be blown up to billboard size and yet still be used as a small logo on a card or letter.

Advantages:
Image can be used for multiple advertising purposes
Good quality images
Dis-advantages:
Only basic colour information

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