[Solved] In a clipping algorithm of Cohen & Sutherland using region codes, a line is already clipped if the ?

Q.	In a clipping algorithm of Cohen & Sutherland using region codes, a line is already clipped if the ?
A.	codes of the end point are same
B.	logical or of the end points code is 0000
C.	logical and of the end point code is 0000
D.	only a
Answer» D. only a

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