Q4) -What is an alpha channel?
-How can this be useful in your coursework project?
Ans4)
-The alpha channel is really a mask, it specifies how the pixel's colors should be merged with another pixel when the two are overlaid, one on top of the other.
-Alpha Channel would be good for our coursework project because it lets you merged to pictures into one picture and it makes it merges the colours together so the picture looks real.
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