Digital Electronics/Logic Gates/Combinational Gates

Combination gates More than one logic gates can be connected to produce new logic gates Buffer {| class="wikitable" width=100% !Basic Logic Gates !! Combinational Gates !! Symbol !! Mathmatical Formula !! Truth Table |- | Buffer || 100px 100px|Cổng NOT (NOT Gate) || 100px || Y = is NOT NOT A Y = A || A Q 0 0 1 1 |- |} NOT Gate {| class="wikitable" width=100% ! Digital Gate !! Combinational Gates !! Symbol !! Mathematical Expression !! Truth Table |- | NOT Gate || 100px 100px|Cổng NOT (NOT Gate) || 100px|Cổng NOT (NOT Gate) || Y = is NOT A || A Y 0 1 1 0 |} NAND Gate {| class="wikitable" width=100% !Digital Gate !! Combinational Gate !! Symbol !! Mathematical Expression !! Truth Table |- | Buffer || 100px 100px|Cổng NOT (NOT Gate) || 100px || Y = is NOT A.B || A B Y 0 0 1 0 1 1 1 0 1 1 1 0 |} NOR Gate {| class="wikitable" width=100% !Digital Gate !! Combinational Gate !! Symbol !! Mathematical Expression !! Truth Table |- | NOT || 100px 100px|Cổng NOT (NOT Gate) || 100px || Y = is NOT A+B || A B Y 0 0 1 0 1 0 1 0 0 1 1 0 |} XNOR Gate {| class="wikitable" width=100% !Basic Gates !! Combinational Gate !! Symbol !! Mathematical Formula !! Truth Table |- | NOT Gate|| 100px 100px || 100px || Y = is NOT AxorB || A B Q 0 0 1 0 1 0 1 0 0 1 1 1 |} 200px 200px