Truth Tables by Mau Huey Ching

 

                                A  B  C D      } the four inputs

                                0  0   0  0                    

                                0  0   0  1                                         

                                0  0   1  0                            

                                0  0   1  1                           

                                0  1   0  0                         

                                0  1   0  1                       

                                0  1   1  0                         

                                0  1   1  1                        

                                1  0   0  0

                                1  0   0  1

                                1  0   1  0

                                1  0   1  1

                                1  1   0  0

                                1  1   0  1

                                1  1   1  0

                                 1  1   1  1

In column A consists of each a group of 0’s and 1’s

In column B consists of each two groups of 0’s and 1’s

In column C consists of each four groups of 0’s and 1’s

In column D consists of 0’s and 1’s alternately