File extensions are the way to define what programs are and what programs will open them.
this is basically saying that an image must be in the correct format of an image file be it png or jpg.
just like the image below all the basic file types are here however there are many more that you will come across.
Compression
compression is the way that you shrink an image to allow lower end hardware to open and edit it.
there are two different methods for compressing a file as shown by the image below
these methods both compress a file however one compresses the file smaller however restores it at a size smaller than the original however the other one restores it to the same size however the compressed file is larger.
Image Capture
there are lots of ways of having an image however the most obvious one is using a camera.This way is the best as you only need to take and image of real life.
Optimising
optimising your computer is useful for many ways like for gaming or for photo editing.
optimising a pc is a useful thing as it will allow you to use it at full performance that you can like when you set your pc into game mode like the picture below shows.
Storage of Image Assets
the use of storing your files in a set of folders to sort them correctly is helpful as you can then come back and go into say the textures folder and then find the bricks folder and select bricks red rather than bricks black.
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