OPERATOR AND
A=ture  B=true   RES=1
A=ture  B=false  RES=
A=false B=true   RES=
A=false B=false  RES=
OPERATOR OR
A=ture  B=true   RES=1
A=ture  B=false  RES=1
A=false B=true   RES=1
A=false B=false  RES=
OPERATOR NOR
A=ture  B=true   RES=
A=ture  B=false  RES=
A=false B=true   RES=
A=false B=false  RES=1
OPERATOR NAND
A=ture  B=true   RES=
A=ture  B=false  RES=1
A=false B=true   RES=1
A=false B=false  RES=1