{"id":6531,"date":"2026-03-13T11:28:41","date_gmt":"2026-03-13T05:58:41","guid":{"rendered":"https:\/\/study.madeeasy.in\/?p=6531"},"modified":"2026-03-30T16:23:43","modified_gmt":"2026-03-30T10:53:43","slug":"deterministic-finite-automata-dfa","status":"publish","type":"post","link":"https:\/\/www.madeeasy.in\/study\/cs-it\/deterministic-finite-automata-dfa","title":{"rendered":"DETERMINISTIC FINITE AUTOMATA (DFA)"},"content":{"rendered":"<h2 style=\"text-align: center;\">What is deterministic finite automata?<\/h2>\n<p>If for every input symbol of an alphabet there is an exactly one transition from every state of finite automata then such FA is called as DFA.<\/p>\n<p>DFA covers deterministic transitions for all valid and invalid strings in the given regular language.<\/p>\n<p>For every valid string, DFA reaches to the final state and for every invalid string it reaches to the non final state.<\/p>\n<h2><strong>Specifications of DFA<\/strong><\/h2>\n<p>DFA = (Q, \u03a3, \u03b4, q0, F) is a 5-tuple notation<\/p>\n<p>where, Q is the set of finite states,<\/p>\n<p>\u03a3 is an input alphabet contain finite number of input symbols.<br \/>\n\u03b4 is a transition function defined over transitions of FA for state and input, (\u03b4 : Q \u00d7 \u03a3 \u2192 Q)<br \/>\nq0 is an initial state or start state of DFA, (q0 \u2208 Q).<br \/>\nF is the set of final states of DFA (F \u2286 Q).<\/p>\n<p style=\"text-align: center;\"><a class=\"btn btn-danger\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/cs-it\/finite-automata\" target=\"_blank\" rel=\"noopener\">&lt;&lt; Previous<\/a> | <a class=\"btn btn-success\" role=\"button\" href=\"https:\/\/study.madeeasy.in\/cs-it\/regular-expressions\" target=\"_blank\" rel=\"noopener\"> Next &gt;&gt;<\/a><br \/>\n<strong> Must Read: <\/strong> <a href=\"https:\/\/study.madeeasy.in\/cs-it\/what-is-theory-of-computation\" target=\"_blank\" rel=\"noopener\"><strong>What is Theory of Computation?<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is deterministic finite automata? If for every input symbol of an alphabet there is an exactly one transition from<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,1930],"tags":[1936,1937,1935],"class_list":["post-6531","post","type-post","status-publish","format-standard","hentry","category-cs-it","category-computation","tag-dfa","tag-finite-automata","tag-specifications-of-dfa"],"_links":{"self":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/6531","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=6531"}],"version-history":[{"count":0,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/posts\/6531\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/media?parent=6531"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/categories?post=6531"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madeeasy.in\/study\/wp-json\/wp\/v2\/tags?post=6531"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}