What is 4x anti aliasing?

Related questions

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4. Is Msaa CPU or GPU?
5. What is better Smaa or Fxaa?
6. Is anti aliasing necessary?
7. Does Vsync use CPU?
8. What does Fxaa mean?
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10. Is anti aliasing important?

Tags

1. #rendering
2. #usually
3. #removes
4. #image
5. #sampled
6. #aliasing
7. #display
8. #resolution
9. #higher
10. #known
11. #scene
12. #means
13. #double
14. #supersampling
15. #frame
16. #match
17. #rendered
18. #quadruple