{"id":6539,"date":"2026-04-13T11:50:24","date_gmt":"2026-04-13T11:50:24","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/bit-shift\/"},"modified":"2026-04-13T11:50:50","modified_gmt":"2026-04-13T11:50:50","slug":"bitid-faerist-til","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/is\/dictionary\/bit-shift\/","title":{"rendered":"Bitskipting"},"content":{"rendered":"<h1>Bitskri\u00f0: Skilgreining og \u00fatsk\u00fdring<\/h1>\n<p>Bitskipti er grundvallar a\u00f0ger\u00f0 \u00ed t\u00f6lvuforritun sem felur \u00ed s\u00e9r a\u00f0 f\u00e6ra bita tv\u00edundat\u00f6lunnar til vinstri e\u00f0a h\u00e6gri. \u00deetta er bitav\u00eds a\u00f0ger\u00f0 sem notu\u00f0 er til a\u00f0 vinna me\u00f0 einstaka bita \u00ed tv\u00edundat\u00f6lu. Einfaldlega sagt felur bitskipti \u00ed s\u00e9r a\u00f0 f\u00e6ra t\u00f6lustafi tv\u00edundat\u00f6lunnar til vinstri e\u00f0a h\u00e6gri um \u00e1kve\u00f0inn fj\u00f6lda st\u00e6\u00f0a.<\/p>\n<p>Bitskipti er algeng a\u00f0ger\u00f0 \u00ed t\u00f6lvuforritun og er notu\u00f0 \u00ed fj\u00f6lbreyttum forritum, \u00fear \u00e1 me\u00f0al <a href=\"https:\/\/thecodest.co\/is\/blog\/app-data-collection-security-risks-value-and-types-explored\/\">g\u00f6gn<\/a> \u00fej\u00f6ppun, dulk\u00f3\u00f0un og myndvinnsla. \u00dea\u00f0 er einnig nota\u00f0 \u00ed l\u00e1gstigs forritun, svo sem \u00ed t\u00e6kjastj\u00f3rnforritum og st\u00fdrikerfum, \u00fear sem \u00fea\u00f0 er nota\u00f0 til a\u00f0 vinna me\u00f0 v\u00e9lb\u00fana\u00f0ar\u00adskr\u00e1ir og minnis\u00adt\u00f6ku\u00adt\u00f6lur.<\/p>\n<p>\u00dea\u00f0 eru tv\u00e6r tegundir af bitaskyndum: vinstri bitaskynd og h\u00e6gri bitaskynd. Vinstri bitaskynd felur \u00ed s\u00e9r a\u00f0 f\u00e6ra bitana \u00ed tv\u00edundart\u00f6lu til vinstri um \u00e1kve\u00f0inn fj\u00f6lda st\u00e6\u00f0a. Til d\u00e6mis, ef vi\u00f0 h\u00f6fum tv\u00edundart\u00f6luna 1010 (sem er jafngilt tugakerfist\u00f6lunni 10), myndi vinstri bitaskynd um eina st\u00f6\u00f0u gefa tv\u00edundart\u00f6luna 10100 (sem er jafngilt tugakerfist\u00f6lunni 20).<\/p>\n<p>H\u00e6griflutningur felur \u00ed s\u00e9r a\u00f0 f\u00e6ra bita tv\u00edundartals til h\u00e6gri um \u00e1kve\u00f0inn fj\u00f6lda st\u00e6\u00f0a. Til d\u00e6mis, ef vi\u00f0 h\u00f6fum tv\u00edundartali\u00f0 1010 (sem er jafngilt tugakerfistalanum 10), myndi h\u00e6griflutningur um eina st\u00f6\u00f0u lei\u00f0a til tv\u00edundartalsins 0101 (sem er jafngilt tugakerfistalanum 5).<\/p>\n<p>Bitskipti er \u00f6flugt t\u00f3l \u00ed t\u00f6lvuforritun og m\u00e1 nota til a\u00f0 framkv\u00e6ma fj\u00f6lbreyttar a\u00f0ger\u00f0ir. \u00dea\u00f0 er hra\u00f0virk og skilvirk lei\u00f0 til a\u00f0 vinna me\u00f0 tv\u00edgilda g\u00f6gn og er miki\u00f0 nota\u00f0 \u00ed l\u00e1gstigs forritun og \u00fer\u00f3un innbygg\u00f0ra kerfa. A\u00f0 skilja hvernig bitskipti virkar er nau\u00f0synleg f\u00e6rni fyrir hvern forritara sem vinnur me\u00f0 tv\u00edgilda g\u00f6gn.<\/p>\n<p>A\u00f0 lokum er bitask\u00fdfa grundvallar a\u00f0ger\u00f0 \u00ed t\u00f6lvuforritun sem felur \u00ed s\u00e9r a\u00f0 f\u00e6ra bita tv\u00edundat\u00f6lu til vinstri e\u00f0a h\u00e6gri um \u00e1kve\u00f0inn fj\u00f6lda st\u00e6\u00f0a. H\u00fan er \u00f6flugt t\u00e6ki sem n\u00fdtist \u00ed fj\u00f6lm\u00f6rgum forritum og er \u00f3missandi f\u00e6rni fyrir hvern forritara sem vinnur me\u00f0 tv\u00edundag\u00f6gn.<\/p>","protected":false},"excerpt":{"rendered":"<p>L\u00e6r\u00f0u um bitask\u00fdfingu \u00ed t\u00f6lvuforritun: bitareiknirit sem nota\u00f0 er til a\u00f0 vinna me\u00f0 einstaka bita \u00ed tv\u00edundat\u00f6lu til gagn\u00fej\u00f6ppunar, dulk\u00f3\u00f0unar og fleira.<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6539","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Bit Shift - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about bit shift in computer programming: a bitwise operation used to manipulate individual bits in a binary number for data compression, encryption, and more.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/is\/ordabok\/bitid-faerist-til\/\" \/>\n<meta property=\"og:locale\" content=\"is_IS\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bit Shift\" \/>\n<meta property=\"og:description\" content=\"Learn about bit shift in computer programming: a bitwise operation used to manipulate individual bits in a binary number for data compression, encryption, and more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thecodest.co\/is\/ordabok\/bitid-faerist-til\/\" \/>\n<meta property=\"og:site_name\" content=\"The Codest\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-13T11:50:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/bit-shift\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/bit-shift\\\/\",\"name\":\"Bit Shift - The Codest\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/#website\"},\"datePublished\":\"2026-04-13T11:50:24+00:00\",\"dateModified\":\"2026-04-13T11:50:50+00:00\",\"description\":\"Learn about bit shift in computer programming: a bitwise operation used to manipulate individual bits in a binary number for data compression, encryption, and more.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/bit-shift\\\/#breadcrumb\"},\"inLanguage\":\"is\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/bit-shift\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/bit-shift\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/thecodest.co\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Dictionary\",\"item\":\"https:\\\/\\\/thecodest.co\\\/sv\\\/ordbok\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Bit Shift\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/#website\",\"url\":\"https:\\\/\\\/thecodest.co\\\/\",\"name\":\"The Codest\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/thecodest.co\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"is\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/#organization\",\"name\":\"The Codest\",\"url\":\"https:\\\/\\\/thecodest.co\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"is\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/app\\\/uploads\\\/2024\\\/03\\\/thecodest-logo.svg\",\"contentUrl\":\"https:\\\/\\\/thecodest.co\\\/app\\\/uploads\\\/2024\\\/03\\\/thecodest-logo.svg\",\"width\":144,\"height\":36,\"caption\":\"The Codest\"},\"image\":{\"@id\":\"https:\\\/\\\/thecodest.co\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/pl.linkedin.com\\\/company\\\/codest\",\"https:\\\/\\\/clutch.co\\\/profile\\\/codest\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Bitskri\u00f0 - The Codest","description":"L\u00e6r\u00f0u um bitask\u00fdfingu \u00ed t\u00f6lvuforritun: bitareiknirit sem nota\u00f0 er til a\u00f0 vinna me\u00f0 einstaka bita \u00ed tv\u00edundat\u00f6lu til gagn\u00fej\u00f6ppunar, dulk\u00f3\u00f0unar og fleira.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/thecodest.co\/is\/ordabok\/bitid-faerist-til\/","og_locale":"is_IS","og_type":"article","og_title":"Bit Shift","og_description":"Learn about bit shift in computer programming: a bitwise operation used to manipulate individual bits in a binary number for data compression, encryption, and more.","og_url":"https:\/\/thecodest.co\/is\/ordabok\/bitid-faerist-til\/","og_site_name":"The Codest","article_modified_time":"2026-04-13T11:50:50+00:00","og_image":[{"width":1200,"height":675,"url":"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/thecodest.co\/dictionary\/bit-shift\/","url":"https:\/\/thecodest.co\/dictionary\/bit-shift\/","name":"Bitskri\u00f0 - The Codest","isPartOf":{"@id":"https:\/\/thecodest.co\/#website"},"datePublished":"2026-04-13T11:50:24+00:00","dateModified":"2026-04-13T11:50:50+00:00","description":"L\u00e6r\u00f0u um bitask\u00fdfingu \u00ed t\u00f6lvuforritun: bitareiknirit sem nota\u00f0 er til a\u00f0 vinna me\u00f0 einstaka bita \u00ed tv\u00edundat\u00f6lu til gagn\u00fej\u00f6ppunar, dulk\u00f3\u00f0unar og fleira.","breadcrumb":{"@id":"https:\/\/thecodest.co\/dictionary\/bit-shift\/#breadcrumb"},"inLanguage":"is","potentialAction":[{"@type":"ReadAction","target":["https:\/\/thecodest.co\/dictionary\/bit-shift\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/thecodest.co\/dictionary\/bit-shift\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/thecodest.co\/"},{"@type":"ListItem","position":2,"name":"Dictionary","item":"https:\/\/thecodest.co\/sv\/ordbok\/"},{"@type":"ListItem","position":3,"name":"Bit Shift"}]},{"@type":"WebSite","@id":"https:\/\/thecodest.co\/#website","url":"https:\/\/thecodest.co\/","name":"The Codest","description":"","publisher":{"@id":"https:\/\/thecodest.co\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/thecodest.co\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"is"},{"@type":"Organization","@id":"https:\/\/thecodest.co\/#organization","name":"The Codest","url":"https:\/\/thecodest.co\/","logo":{"@type":"ImageObject","inLanguage":"is","@id":"https:\/\/thecodest.co\/#\/schema\/logo\/image\/","url":"https:\/\/thecodest.co\/app\/uploads\/2024\/03\/thecodest-logo.svg","contentUrl":"https:\/\/thecodest.co\/app\/uploads\/2024\/03\/thecodest-logo.svg","width":144,"height":36,"caption":"The Codest"},"image":{"@id":"https:\/\/thecodest.co\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/pl.linkedin.com\/company\/codest","https:\/\/clutch.co\/profile\/codest"]}]}},"_links":{"self":[{"href":"https:\/\/thecodest.co\/is\/wp-json\/wp\/v2\/dictionary\/6539","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thecodest.co\/is\/wp-json\/wp\/v2\/dictionary"}],"about":[{"href":"https:\/\/thecodest.co\/is\/wp-json\/wp\/v2\/types\/dictionary"}],"version-history":[{"count":1,"href":"https:\/\/thecodest.co\/is\/wp-json\/wp\/v2\/dictionary\/6539\/revisions"}],"predecessor-version":[{"id":10985,"href":"https:\/\/thecodest.co\/is\/wp-json\/wp\/v2\/dictionary\/6539\/revisions\/10985"}],"wp:attachment":[{"href":"https:\/\/thecodest.co\/is\/wp-json\/wp\/v2\/media?parent=6539"}],"curies":[{"name":"vp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}