Logical operations
•AND                  T = True    F = False
•1 and 1 = 1   T and T = T
•1 and 0 = 0   T and F = F
•0 and 1 = 0 F and T = F
•0 and 0 = 0   F and F = F
•OR                
•1 and 1 = 1   T and T = T
•1 and 0 = 1   T and F = T
•0 and 1 = 1 F and T = T
•0 and 0 = 0 F and F = F
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