{"id":4496,"date":"2025-03-17T12:55:55","date_gmt":"2025-03-17T07:25:55","guid":{"rendered":"https:\/\/study.madeeasy.in\/?p=4496"},"modified":"2025-07-16T14:19:26","modified_gmt":"2025-07-16T08:49:26","slug":"the-nor-gate","status":"publish","type":"post","link":"https:\/\/www.madeeasy.in\/study\/ee\/boolean-algebra\/the-nor-gate","title":{"rendered":"The NOR Gate"},"content":{"rendered":"<ul>\n<li style=\"text-align: justify;\">A NOR gate is a combination of OR gate and NOT gate. So we can say it is a NOT-OR operation. It may have two or more input and an output. The logical symbols and the truth table of NOR gate are,<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4497 size-full\" src=\"https:\/\/study.madeeasy.in\/wp-content\/uploads\/2025\/03\/truth-table.jpg\" alt=\"Truth Table\" width=\"591\" height=\"115\" srcset=\"https:\/\/www.madeeasy.in\/study\/wp-content\/uploads\/2025\/03\/truth-table.jpg 591w, https:\/\/www.madeeasy.in\/study\/wp-content\/uploads\/2025\/03\/truth-table-300x58.jpg 300w\" sizes=\"auto, (max-width: 591px) 100vw, 591px\" \/><\/p>\n<ul style=\"text-align: justify;\">\n<li>It is clear from the truth table that the output is \u20181\u2019 only if all the inputs are at logic \u20180\u2019. It can also say that if the inputs 1, A B = = then the output Y is 1. Thus, the NOR gate is equivalent to the AND gate with inverted inputs and it can be realized by a bubbled AND gate.<\/li>\n<li>The logical expression for the output is <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4498 size-full\" src=\"https:\/\/study.madeeasy.in\/wp-content\/uploads\/2025\/03\/output.jpg\" alt=\"Output\" width=\"103\" height=\"26\" \/><\/li>\n<li>The NOR gate is also called active LOW AND gate.<\/li>\n<li>The switching circuit of a NOR gate is,<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4499 size-full\" src=\"https:\/\/study.madeeasy.in\/wp-content\/uploads\/2025\/03\/bulb.jpg\" alt=\"Bulb\" width=\"190\" height=\"113\" \/><\/p>\n<p style=\"text-align: justify;\">When any of the switches either A or B is closed, the bulb will not glow.<\/p>\n<ul style=\"text-align: justify;\">\n<li>NOR gate follows the commutative law as<\/li>\n<\/ul>\n<p style=\"text-align: justify;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4500 size-full\" src=\"https:\/\/study.madeeasy.in\/wp-content\/uploads\/2025\/03\/associative-law.jpg\" alt=\"Associative Law\" width=\"475\" height=\"518\" srcset=\"https:\/\/www.madeeasy.in\/study\/wp-content\/uploads\/2025\/03\/associative-law.jpg 475w, https:\/\/www.madeeasy.in\/study\/wp-content\/uploads\/2025\/03\/associative-law-275x300.jpg 275w\" sizes=\"auto, (max-width: 475px) 100vw, 475px\" \/><\/p>\n<p style=\"text-align: justify;\"><strong> Note:<\/strong> Unused input in any multi input NOR gate is always connected to the enable logic or Pull-Down.<\/p>\n<p style=\"text-align: center;\"><a class=\"btn btn-danger\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/ee\/boolean-algebra\/the-nand-gate\/\" target=\"_blank\" rel=\"noopener\">&lt;&lt; Previous<\/a> | <a class=\"btn btn-success\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/ee\/boolean-algebra\/the-exclusive-or-gate\/\" target=\"_blank\" rel=\"noopener\"> Next &gt;&gt;<\/a><br \/>\n<strong> Must Read: <\/strong> <a href=\"https:\/\/study.madeeasy.in\/subjects\/what-is-boolean-algebra\" target=\"_blank\" rel=\"noopener\"><strong>What is Boolean algebra?<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>A NOR gate is a combination of OR gate and NOT gate. So we can say it is a NOT-OR<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1291,5],"tags":[1457,1463,1321,1319,1427,1436,1443,1433,1320,1461,1462],"class_list":["post-4496","post","type-post","status-publish","format-standard","hentry","category-boolean-algebra","category-ee","tag-boolean-algebra","tag-boolean-logic","tag-bubbled-and-gate","tag-commutative-law","tag-digital-circuits","tag-digital-logic","tag-logic-gates","tag-logic-simplification","tag-low-and-gate","tag-nor-gate","tag-nor-truth-table"],"_links":{"self":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/4496","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/comments?post=4496"}],"version-history":[{"count":0,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/4496\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/media?parent=4496"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/categories?post=4496"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/tags?post=4496"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}