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AND gate
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<table><tbody><tr><th colspan="3">AND gate <a href="/facts/Truth_table/4KsmArDW">truth table</a></th></tr><tr><td colspan="2">Input</td><td>Output</td></tr><tr><td>A</td><td>B</td><td>A AND B</td></tr><tr><td>0</td><td>0</td><td>0</td></tr><tr><td>0</td><td>1</td><td>0</td></tr><tr><td>1</td><td>0</td><td>0</td></tr><tr><td>1</td><td>1</td><td>1</td></tr></tbody></table> <p>The AND gate is a basic digital <a href="/facts/Logic_gate/RHLulvKI">logic gate</a> that implements the <a href="/facts/Logical_conjunction/62uyyn1d">logical conjunction</a> (∧) from <a href="/facts/Mathematical_logic/SaI7Y3wN">mathematical logic</a> – AND gates behave according to their <a href="/facts/Truth_table/4KsmArDW">truth table</a>. A HIGH output (1) results only if all the inputs to the AND gate are HIGH (1). If any of the inputs to the AND gate are not HIGH, a LOW (0) is outputted. The function can be extended to any number of inputs by multiple gates up in a chain. </p>