What is difference between MPEG2 and MPEG4?
Many. Basically, MPEG-1 is a compression system that focuses on storing video in a hard disk, that is to say, an "error-free" environment and only is valid for low resolution images. On the other...
mpeg is a file type for a picture on a computer and mpg stands for miles per gallon.
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4 by four means four wheel drive 4 by 2 means two wheel drive