Question 815
{"accessible":false,"alternatives":[{"id":4123,"text":"500 bytes"},{"id":4124,"text":"512 bytes"},{"id":4125,"text":"1000 bytes"},{"id":4126,"text":"1024 bytes"}],"archived":false,"correctAlternativeId":4126,"explanation":"\u003cp\u003eA kilobyte is equal to 1024 bytes, despite the kilo- prefix\u0026nbsp;meaning \"a thousand\". This is because a kilobyte is actually 2^10 = 1024 bytes.\u003c/p\u003e\u003cp\u003eAdapted from\u0026nbsp;\u003ca href=\"https://en.wikibooks.org/wiki/Basic_Physics_of_Digital_Radiography\"\u003eBasic Physics of Digital Radiography\u003c/a\u003e\u0026nbsp;by\u0026nbsp;Kieran Maher,\u0026nbsp;with author's permission (License:\u0026nbsp;\u003ca href=\"https://creativecommons.org/licenses/by-sa/3.0/\"\u003eCreative Commons\u0026nbsp;BY-SA 3.0\u003c/a\u003e).\u003c/p\u003e","id":815,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1542","nextQuestionPath":"/articles/digital-image/questions/794","relatedArticles":[],"alsoUsedIn":[{"id":244,"kind":"Course","title":"Preparing images for publication","link":"https://radiopaedia.org/courses/preparing-images-for-publication"},{"id":608,"kind":"Course","title":"Radiopaedia 2020 - Lectures Only - page 608","link":"https://radiopaedia.org/courses/radiopaedia-2020-exclusive/pages/608"},{"id":608,"kind":"Course","title":"Miscellaneous Lectures - page 608","link":"https://radiopaedia.org/courses/miscellaneous-lectures/pages/608"},{"id":608,"kind":"Course","title":"2020 Virtual Conference Private Use - page 608","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/608"}],"stem":"\u003cp\u003eA kilobyte is equal to...\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/815"}],"attemptsPercentages":[{"alternativeId":"4123","percentage":3},{"alternativeId":"4126","percentage":55},{"alternativeId":"4125","percentage":37},{"alternativeId":"4124","percentage":5}],"promptToLogin":false,"questionManager":false,"articleId":"digital-image"}