top left This image is original and its 336k.the original image is much better than GIF.
top right GIF is 105.2K-Gif can be used to medium images because
it’s a pretty good quality compared with JPEG. This type is best to be used on
large logos or large posters because it has the best quality out of all the
type which you can pick for graphics.
bottom left JPEG is 45.75 K –this type of file has the poorest
quality which shows little pixels when you in large the image. It doesn't look
good even when it’s small.JPEG is a type of file to use only on small pictures
because than you can see the image clear enough but when it will be on large
than you are unable to see it clearly ,just the little squares showing which
are pixels.
bottom right PNG-8 7.60 K – the bigger the quality the better the image
is.as you can see on PNG it has the highest
quality out of 4.this can be used for large or medium posters because it
looks good and clear without any pixels in the way.
www: this shows you have considered the file sizes and colour depth when saving you graphic.
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