{"id":17274,"date":"2025-11-05T10:44:49","date_gmt":"2025-11-05T10:44:49","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=17274"},"modified":"2025-12-09T16:44:37","modified_gmt":"2025-12-09T16:44:37","slug":"30-qr-codes-quiz-questions-and-answers","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/","title":{"rendered":"30 QR Codes Quiz Questions &#038; Answers for 2026"},"content":{"rendered":"<p>QR codes (Quick Response codes) are two-dimensional barcodes that contain information encoded in a matrix of black and white squares. They were first developed in 1994 by Denso Wave, a Japanese automotive company, and have since become widely used for various applications due to their quick readability and ease of use. Here&#8217;s an overview of QR codes:<\/p>\n<p>Structure: QR codes are made up of a grid of black and white squares, which can be read by a QR code scanner or a smartphone with a camera. The code typically consists of three main components: the finder pattern (the square boxes around the code), the alignment pattern (smaller square boxes inside the code), and the data area (the encoded information).<\/p>\n<p>Data Capacity: QR codes can store different types of data, such as text, URLs, contact information, phone numbers, email addresses, Wi-Fi credentials, and more. The amount of data that a QR code can hold depends on the version and error correction level, ranging from a few dozen alphanumeric characters to several thousand characters.<\/p>\n<p>Scanning and Readability: QR codes can be scanned quickly and accurately using smartphones, tablets, or dedicated QR code scanners. Users can download QR code scanner apps that utilize the device&#8217;s camera to read the code and display the encoded information.<\/p>\n<p>Error Correction: QR codes use error correction techniques to ensure readability even if the code is damaged or partially obscured. There are four error correction levels available, each providing a different level of redundancy to handle errors.<\/p>\n<div class=\"refer_box\">\n<p class=\"refer_box_title\">You might like to know<\/p>\n<p class=\"refer_box_text\">Create an auto-grading quiz\/assessment without any coding &#8211; <a href=\"https:\/\/onlineexammaker.com?refer=blog_refer\">try OnlineExamMaker today<\/a>!<\/p>\n<\/div>\n<p>Application Areas: QR codes are widely used in various fields, including marketing, advertising, product packaging, event ticketing, payment systems, inventory management, and more. They provide a convenient way to share information and interact with digital content.<\/p>\n<p>Generating QR Codes: QR codes can be generated using online QR code generators or specialized software. Users input the desired data and customize the appearance of the QR code, such as colors, size, and design.<\/p>\n<h3>In this article<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#a\">Part 1: OnlineExamMaker AI quiz maker &#8211; Make a free quiz in minutes<\/a><\/li>\n<li><a href=\"#1\">Part 2: 30 QR codes quiz questions &#038; answers<\/a><\/li>\n<li><a href=\"#2\">Part 3: Download QR codes questions &#038; answers for free<\/a><\/l1>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/qr-codes-quiz.webp\" alt=\"\" width=\"800\" height=\"500\" class=\"alignnone size-full wp-image-17275\" srcset=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/qr-codes-quiz.webp 800w, https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/qr-codes-quiz-300x188.webp 300w, https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/qr-codes-quiz-768x480.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 id=\"a\">Part 1: OnlineExamMaker AI quiz maker &#8211; Make a free quiz in minutes<\/h3>\n<p>What&#8217;s the best way to create a QR code knowledge quiz online? OnlineExamMaker is the best AI quiz making software for you. No coding, and no design skills required. If you don&#8217;t have the time to create your online quiz from scratch, you are able to use OnlineExamMaker AI Question Generator to create question automatically, then add them into your online assessment. What is more, the platform leverages AI proctoring and AI grading features to streamline the process while ensuring exam integrity.<\/p>\n<p><strong>Key features of OnlineExamMaker:<\/strong><br \/>\n\u25cf Create up to 10 question types, including multiple-choice, true\/false, fill-in-the-blank, matching, short answer, and essay questions.<br \/>\n\u25cf Build and store questions in a centralized portal, tagged by categories and keywords for easy reuse and organization.<br \/>\n\u25cf Automatically scores multiple-choice, true\/false, and even open-ended\/audio responses using AI, reducing manual work.<br \/>\n\u25cf Create certificates with personalized company logo, certificate title, description, date, candidate&#8217;s name, marks and signature.<\/p>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">Automatically generate questions using AI<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Try AI Question Generator<\/a><\/div>\n<div class=\"p-style-b\">Generate questions for any topic<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/sign-up.html?refer=blog_btn\"> Create A Quiz<\/a><\/div>\n<div class=\"p-style-b\">100% free forever<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"1\">Part 2: 30 QR codes quiz questions &#038; answers<\/h3>\n<p>1. Question: What does &#8220;QR&#8221; stand for in QR codes?<br \/>\n   a) Quick Recognition<br \/>\n   b) Quick Response<br \/>\n   c) Quality Representation<br \/>\n   d) Quick Result<br \/>\n   Answer: b) Quick Response<\/p>\n<p>2. Question: QR codes are a type of:<br \/>\n   a) One-dimensional barcode<br \/>\n   b) Three-dimensional barcode<br \/>\n   c) Two-dimensional barcode<br \/>\n   d) Optical Character Recognition (OCR)<br \/>\n   Answer: c) Two-dimensional barcode<\/p>\n<p>3. Question: QR codes were first developed by which company?<br \/>\n   a) IBM<br \/>\n   b) Google<br \/>\n   c) Denso Wave<br \/>\n   d) Apple<br \/>\n   Answer: c) Denso Wave<\/p>\n<p>4. Question: What type of data can be encoded in a QR code?<br \/>\n   a) Only text and numbers<br \/>\n   b) Only URLs and website links<br \/>\n   c) Various types of data, including text, URLs, contact info, etc.<br \/>\n   d) Only images and multimedia files<br \/>\n   Answer: c) Various types of data, including text, URLs, contact info, etc.<\/p>\n<p>5. Question: How is a QR code scanned to read its content?<br \/>\n   a) Using a barcode scanner<br \/>\n   b) By physically touching the code<br \/>\n   c) By pressing a button on the code<br \/>\n   d) Using a smartphone camera or QR code scanner app<br \/>\n   Answer: d) Using a smartphone camera or QR code scanner app<\/p>\n<p>6. Question: QR codes can store more data compared to traditional barcodes because they are:<br \/>\n   a) Larger in size<br \/>\n   b) Two-dimensional<br \/>\n   c) Made of different colors<br \/>\n   d) Printed on glossy paper<br \/>\n   Answer: b) Two-dimensional<\/p>\n<p>7. Question: Which of the following is NOT a common use of QR codes?<br \/>\n   a) Payment systems<br \/>\n   b) Event ticketing<br \/>\n   c) Inventory management<br \/>\n   d) Social media posts<br \/>\n   Answer: d) Social media posts<\/p>\n<p>8. Question: What is the purpose of the finder pattern in a QR code?<br \/>\n   a) To help scanners find the correct orientation of the code<br \/>\n   b) To determine the data capacity of the code<br \/>\n   c) To encode error correction data<br \/>\n   d) To encrypt the encoded information<br \/>\n   Answer: a) To help scanners find the correct orientation of the code<\/p>\n<p>9. Question: Which of the following is NOT an error correction level in QR codes?<br \/>\n   a) Low<br \/>\n   b) Medium<br \/>\n   c) High<br \/>\n   d) Extreme<br \/>\n   Answer: d) Extreme<\/p>\n<p>10. Question: QR codes were originally designed for use in which industry?<br \/>\n    a) Retail and shopping<br \/>\n    b) Automotive<br \/>\n    c) Healthcare<br \/>\n    d) Transportation and logistics<br \/>\n    Answer: b) Automotive<\/p>\n<p>11. Question: Which type of QR code can be updated or changed after it has been generated?<br \/>\n    a) Static QR code<br \/>\n    b) Dynamic QR code<br \/>\n    c) Active QR code<br \/>\n    d) Reactive QR code<br \/>\n    Answer: b) Dynamic QR code<\/p>\n<p>12. Question: What information does a contact QR code typically store?<br \/>\n    a) A website URL<br \/>\n    b) A person&#8217;s contact information (e.g., name, phone number, email)<br \/>\n    c) Product details and specifications<br \/>\n    d) GPS coordinates for location tracking<br \/>\n    Answer: b) A person&#8217;s contact information (e.g., name, phone number, email)<\/p>\n<p>13. Question: Which type of QR code is commonly used for sharing Wi-Fi network credentials?<br \/>\n    a) URL QR code<br \/>\n    b) Contact QR code<br \/>\n    c) Text QR code<br \/>\n    d) Wi-Fi QR code<br \/>\n    Answer: d) Wi-Fi QR code<\/p>\n<p>14. Question: QR codes can be generated and customized using:<br \/>\n    a) A barcode scanner<br \/>\n    b) A QR code reader<br \/>\n    c) Specialized QR code generation software or online generators<br \/>\n    d) A computer&#8217;s webcam<br \/>\n    Answer: c) Specialized QR code generation software or online generators<\/p>\n<p>15. Question: In which country did QR codes become widely popular for mobile payments and transactions?<br \/>\n    a) China<br \/>\n    b) United States<br \/>\n    c) Japan<br \/>\n    d) India<br \/>\n    Answer: a) China<\/p>\n<h3 id=\"2\">Part 3: Download QR codes questions &#038; answers for free<\/h3>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">Download questions &#038; answers for free<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/thanks-for-downloading-questions.html?url=https:\/\/onlineexammaker.com\/questions-answers\/760-qr-codes.zip\">Free Download <\/a><\/div>\n<div class=\"p-style-b\">Download quiz questions<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/onlineexammaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">Try AI Question Generator<\/a><\/div>\n<div class=\"p-style-b\">Generate questions for any topic<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>16. Question: What happens when a QR code contains a URL or website link?<br \/>\n    a) The URL is opened in a new browser window<br \/>\n    b) The URL is downloaded to the user&#8217;s device<br \/>\n    c) The URL is converted to a phone call<br \/>\n    d) The URL is converted to an email message<br \/>\n    Answer: a) The URL is opened in a new browser window<\/p>\n<p>17. Question: The QR code&#8217;s data area contains:<br \/>\n    a) The encoded information<br \/>\n    b) The alignment pattern<br \/>\n    c) The finder pattern<br \/>\n    d) The error correction data<br \/>\n    Answer: a) The encoded information<\/p>\n<p>18. Question: What is the primary purpose of the alignment pattern in a QR code?<br \/>\n    a) To help scanners find the correct orientation of the code<br \/>\n    b) To determine the data capacity of the code<br \/>\n    c) To encode error correction data<br \/>\n    d) To encrypt the encoded information<br \/>\n    Answer: b) To determine the data capacity of the code<\/p>\n<p>19. Question: Which type of QR code is commonly used for promoting products or services in advertising campaigns?<br \/>\n    a) URL QR code<br \/>\n    b) Contact QR code<br \/>\n    c) Text QR code<br \/>\n    d) Marketing QR code<br \/>\n    Answer: d) Marketing QR code<\/p>\n<p>20. Question: The error correction level in a QR code affects its:<br \/>\n    a) Data capacity<br \/>\n    b) Color scheme<br \/>\n    c) Scanning speed<br \/>\n    d) Data encryption<br \/>\n    Answer: a) Data capacity<\/p>\n<p>21. Question: QR codes were initially used to track parts and vehicles in which industry?<br \/>\n    a) Aerospace<br \/>\n    b) Agriculture<br \/>\n    c) Healthcare<br \/>\n    d) Automotive<br \/>\n    Answer: d) Automotive<\/p>\n<div class=\"refer_box\">\n<p class=\"refer_box_title\">Pro Tip<\/p>\n<p class=\"refer_box_text\">Want to assess your learners online? <a href=\"https:\/\/onlineexammaker.com?refer=blog_refer\">Create an online quiz for free<\/a>!<\/p>\n<\/div>\n<p>22. Question: Which of the following is a potential security risk associated with QR codes?<br \/>\n    a) The codes can contain too much data, overwhelming scanners<br \/>\n    b) Scanning QR codes may drain smartphone batteries quickly<br \/>\n    c) Malicious codes can redirect users to harmful websites or download malware<br \/>\n    d) QR codes can only be scanned by specialized devices, limiting their usability<br \/>\n    Answer: c) Malicious codes can redirect users to harmful websites or download malware<\/p>\n<p>23. Question: What is the typical shape of a QR code?<br \/>\n    a) Circle<br \/>\n    b) Triangle<br \/>\n    c) Square<br \/>\n    d) Hexagon<br \/>\n    Answer: c) Square<\/p>\n<p>24. Question: QR codes are an example of which technology that allows the real world and digital world to interact?<br \/>\n    a) Internet of Things (IoT)<br \/>\n    b) Augmented Reality (AR)<br \/>\n    c) Virtual Reality (VR)<br \/>\n    d) Artificial Intelligence (AI)<br \/>\n    Answer: b) Augmented Reality (AR)<\/p>\n<p>25. Question: QR codes were first used for which purpose in the automotive industry?<br \/>\n    a) Tracking vehicle production<br \/>\n    b) Marketing car models<br \/>\n    c) Displaying product specifications<br \/>\n    d) Providing customer support<br \/>\n    Answer: a) Tracking vehicle production<\/p>\n<p>26. Question: Which of the following is NOT a benefit of using QR codes in advertising and marketing?<br \/>\n    a) Enhanced<\/p>\n<p> customer engagement<br \/>\n    b) Increased brand recognition<br \/>\n    c) Reduced marketing costs<br \/>\n    d) Guaranteed sales conversions<br \/>\n    Answer: d) Guaranteed sales conversions<\/p>\n<p>27. Question: QR codes can be scanned even in low light conditions or from a distance due to their:<br \/>\n    a) Infrared scanning capability<br \/>\n    b) Enhanced 3D rendering<br \/>\n    c) High contrast and error correction<br \/>\n    d) Wireless transmission technology<br \/>\n    Answer: c) High contrast and error correction<\/p>\n<p>28. Question: What is the purpose of the quiet zone in a QR code?<br \/>\n    a) To provide a space for the code&#8217;s designer to add a logo or other artwork<br \/>\n    b) To indicate the beginning and end of the code<br \/>\n    c) To prevent the code from interfering with nearby barcodes<br \/>\n    d) To allow scanners to detect the QR code&#8217;s position and orientation<br \/>\n    Answer: c) To prevent the code from interfering with nearby barcodes<\/p>\n<p>29. Question: The error correction level of a QR code determines the number of:<br \/>\n    a) Alignment patterns<br \/>\n    b) Colors used in the code<br \/>\n    c) Error correction codewords<br \/>\n    d) QR code versions available<br \/>\n    Answer: c) Error correction codewords<\/p>\n<p>30. Question: QR codes have gained widespread adoption in which country as a contactless payment method?<br \/>\n    a) Japan<br \/>\n    b) United States<br \/>\n    c) Germany<br \/>\n    d) Australia<br \/>\n    Answer: a) Japan<\/p>\n","protected":false},"excerpt":{"rendered":"<p>QR codes (Quick Response codes) are two-dimensional barcodes that contain information encoded in a matrix of black and white squares. They were first developed in 1994 by Denso Wave, a Japanese automotive company, and have since become widely used for various applications due to their quick readability and ease of use. Here&#8217;s an overview of [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":17275,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[353],"tags":[],"class_list":["post-17274","post","type-post","status-publish","format-standard","hentry","category-questions-answers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>30 QR Codes Quiz Questions &amp; Answers for 2026 - OnlineExamMaker Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"30 QR Codes Quiz Questions &amp; Answers for 2026 - OnlineExamMaker Blog\" \/>\n<meta property=\"og:description\" content=\"QR codes (Quick Response codes) are two-dimensional barcodes that contain information encoded in a matrix of black and white squares. They were first developed in 1994 by Denso Wave, a Japanese automotive company, and have since become widely used for various applications due to their quick readability and ease of use. Here&#8217;s an overview of [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/\" \/>\n<meta property=\"og:site_name\" content=\"OnlineExamMaker Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-05T10:44:49+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-09T16:44:37+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/qr-codes-quiz.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"Willson Black\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Willson Black\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/\",\"url\":\"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/\",\"name\":\"30 QR Codes Quiz Questions & Answers for 2026 - OnlineExamMaker Blog\",\"isPartOf\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#website\"},\"datePublished\":\"2025-11-05T10:44:49+00:00\",\"dateModified\":\"2025-12-09T16:44:37+00:00\",\"author\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/395b2b5bfc990b8d494fc7b498db795b\"},\"breadcrumb\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/onlineexammaker.com\/kb\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"30 QR Codes Quiz Questions &#038; Answers for 2026\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#website\",\"url\":\"https:\/\/onlineexammaker.com\/kb\/\",\"name\":\"OnlineExamMaker Blog\",\"description\":\"OnlineExamMaker\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/onlineexammaker.com\/kb\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/395b2b5bfc990b8d494fc7b498db795b\",\"name\":\"Willson Black\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/cdcb7df856a2cdfc9affd6f71823f077?s=96&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/cdcb7df856a2cdfc9affd6f71823f077?s=96&r=g\",\"caption\":\"Willson Black\"},\"url\":\"https:\/\/onlineexammaker.com\/kb\/author\/willblog\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"30 QR Codes Quiz Questions & Answers for 2026 - OnlineExamMaker Blog","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:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/","og_locale":"en_US","og_type":"article","og_title":"30 QR Codes Quiz Questions & Answers for 2026 - OnlineExamMaker Blog","og_description":"QR codes (Quick Response codes) are two-dimensional barcodes that contain information encoded in a matrix of black and white squares. They were first developed in 1994 by Denso Wave, a Japanese automotive company, and have since become widely used for various applications due to their quick readability and ease of use. Here&#8217;s an overview of [&hellip;]","og_url":"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/","og_site_name":"OnlineExamMaker Blog","article_published_time":"2025-11-05T10:44:49+00:00","article_modified_time":"2025-12-09T16:44:37+00:00","og_image":[{"width":800,"height":500,"url":"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/qr-codes-quiz.webp","type":"image\/webp"}],"author":"Willson Black","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Willson Black","Est. reading time":"9 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/","url":"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/","name":"30 QR Codes Quiz Questions & Answers for 2026 - OnlineExamMaker Blog","isPartOf":{"@id":"https:\/\/onlineexammaker.com\/kb\/#website"},"datePublished":"2025-11-05T10:44:49+00:00","dateModified":"2025-12-09T16:44:37+00:00","author":{"@id":"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/395b2b5bfc990b8d494fc7b498db795b"},"breadcrumb":{"@id":"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/onlineexammaker.com\/kb\/30-qr-codes-quiz-questions-and-answers\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/onlineexammaker.com\/kb\/"},{"@type":"ListItem","position":2,"name":"30 QR Codes Quiz Questions &#038; Answers for 2026"}]},{"@type":"WebSite","@id":"https:\/\/onlineexammaker.com\/kb\/#website","url":"https:\/\/onlineexammaker.com\/kb\/","name":"OnlineExamMaker Blog","description":"OnlineExamMaker","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/onlineexammaker.com\/kb\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/395b2b5bfc990b8d494fc7b498db795b","name":"Willson Black","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/cdcb7df856a2cdfc9affd6f71823f077?s=96&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/cdcb7df856a2cdfc9affd6f71823f077?s=96&r=g","caption":"Willson Black"},"url":"https:\/\/onlineexammaker.com\/kb\/author\/willblog\/"}]}},"_links":{"self":[{"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/posts\/17274"}],"collection":[{"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/comments?post=17274"}],"version-history":[{"count":7,"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/posts\/17274\/revisions"}],"predecessor-version":[{"id":77063,"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/posts\/17274\/revisions\/77063"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/media\/17275"}],"wp:attachment":[{"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/media?parent=17274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/categories?post=17274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/onlineexammaker.com\/kb\/wp-json\/wp\/v2\/tags?post=17274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}