Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision |
glossary:logicgates [2013/04/16 10:41] – [NOT] Bob Vetterlein | glossary:logicgates [2013/09/05 11:49] – [NOR] Gordon H |
---|
| |
==== Overview ==== | ==== Overview ==== |
This page gives a brief description of the principal logic gates, a detailed description will be found in Wikipedia by clicking on each of the images. A more detailed overview is in [[http://en.wikipedia.org/wiki/Logic_gates|Wikipedia here]]. | This page gives a brief description of the principal logic gates, a detailed description will be found in Wikipedia by clicking on each of the images. A more detailed overview is in [[http://en.wikipedia.org/wiki/Logic_gates|Wikipedia here]].\\ [[start|Return to main Glossary index]]\\ |
| |
==== AND ==== | ==== AND ==== |
| |
[[http://en.wikipedia.org/wiki/AND_gate|{{:glossary:120px-and_ansi_labelled_svg.png? |AND gate}}]]Boolean operator which is used to join two statements so that the final statement is true only if the individual statements are all true. Thus (X>1)AND(X<2) is true if X is between 1 and 2. | |
| [[http://en.wikipedia.org/wiki/AND_gate|{{:glossary:120px-and_ansi_labelled_svg.png?nolink& }}]]Boolean operator which is used to join two or more statements so that the final statement is true only if the individual statements are all true. Thus (X>1)AND(X<2) is true if X is between 1 and 2. |
| |
==== OR ==== | ==== OR ==== |
[[http://en.wikipedia.org/wiki/OR_gate|{{:glossary:120px-or_ansi_labelled_svg.png? |OR gate}}]]Boolean operator which is used to join two statements so that the final statement is true if either of the individual statements are true. | |
| |
| [[http://en.wikipedia.org/wiki/OR_gate|{{:glossary:120px-or_ansi_labelled_svg.png?nolink& }}]]Boolean operator which is used to join two or more statements so that the final statement is true if any of the individual statements are true. |
| |
==== NAND ==== | ==== NAND ==== |
[[http://en.wikipedia.org/wiki/NAND_gate|{{:glossary:120px-nand_ansi_labelled_svg.png?nolink& |NAND gate}}]]Boolean operator which is used to join two statements so that the final statement is false only if the individual statements are all true. Inverted AND. | |
| |
| [[http://en.wikipedia.org/wiki/NAND_gate|{{:glossary:120px-nand_ansi_labelled_svg.png?nolink& }}]]Boolean operator which is used to join two or more statements so that the final statement is false only if the individual statements are all true. Inverted AND. |
| |
==== NOR ==== | ==== NOR ==== |
[[http://en.wikipedia.org/wiki/NOR_gate|{{:glossary:120px-nor_ansi_labelled_svg.png? |NOR gate}}]]Boolean operator which is used to join two statements so that the final statement is false if either of the individual statements are true. Inverted OR. | |
| |
| [[http://en.wikipedia.org/wiki/NOR_gate|{{:glossary:120px-nor_ansi_labelled_svg.png?nolink& }}]]Boolean operator which is used to join two or more statements so that the final statement is false if any of the individual statements are true. Inverted OR. |
| |
==== XOR ==== | ==== XOR ==== |
| |
==== NOT ==== | ==== NOT ==== |
[[http://en.wikipedia.org/wiki/NOT_gate|{{:glossary:not-gate.png? |NOT gate}}]]In digital logic, an inverter or NOT gate is a logic gate which implements logical negation.\\ [[start|Return to main Glossary index]]\\ | [[http://en.wikipedia.org/wiki/NOT_gate|{{:glossary:not-gate.png? |NOT gate}}]]In digital logic, an inverter or NOT gate is a logic gate which implements logical negation.\\ |