The Fig.shows the input wavwforms A and B for 'AND' gate. Draw the output waveform and write the truth table for this logic gate.

Explanation

The Boolean expression for AND gate is, `y=A.B`. It means y is equal to maximum if both A and B are maximum, otherwise minimum. Thus the waveform will be as shown in Fig.9.64 by curve y. The truth table, of AND gate is shown below:
`|{:(,A,B,y=A.B,),("For" t_(1)"to"t_(2),0,0,0,),("For" t_(2)"to" t_(3),1,0,0,),("For" t_(3)"to"t_(4),1,1,1,),("For" t_(4) "to" t_(5),0,1,1,),("For"t_(5) "to"t_(6),0,0,0,),("For" t_(6)"to"t_(7),1,0,0,),("For"t_(7)"to"t_(8),0,1,0,):}|`