{"id":36475,"date":"2025-11-27T13:55:18","date_gmt":"2025-11-27T13:55:18","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=36475"},"modified":"2025-12-09T16:46:37","modified_gmt":"2025-12-09T16:46:37","slug":"15-qr-codes-quiz-questions-and-answers-12","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/vi\/15-qr-codes-quiz-questions-and-answers-12\/","title":{"rendered":"2026 | 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR"},"content":{"rendered":"<p> T\u1ed5ng quan v\u1ec1 m\u00e3 QR<\/p>\n<p>M\u00e3 QR (Quick Response code) l\u00e0 m\u1ed9t lo\u1ea1i m\u00e3 v\u1ea1ch hai chi\u1ec1u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o n\u0103m 1994 b\u1edfi c\u00f4ng ty Denso Wave, m\u1ed9t c\u00f4ng ty con c\u1ee7a Toyota. M\u00e3 QR \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00e3 h\u00f3a th\u00f4ng tin m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng m\u1ed9t m\u1eabu h\u00ecnh vu\u00f4ng bao g\u1ed3m c\u00e1c \u0111i\u1ec3m \u0111en v\u00e0 kho\u1ea3ng tr\u1eafng. M\u00e3 QR c\u00f3 th\u1ec3 ch\u1ee9a \u0111\u1ef1ng nhi\u1ec1u lo\u1ea1i d\u1eef li\u1ec7u, t\u1eeb v\u0103n b\u1ea3n, URL, th\u00f4ng tin li\u00ean h\u1ec7, \u0111\u1ebfn c\u00e1c d\u1ea1ng d\u1eef li\u1ec7u kh\u00e1c.<\/p>\n<p> C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 l\u1ee3i \u00edch c\u1ee7a m\u00e3 QR<\/p>\n<p>1. Kh\u1ea3 n\u0103ng ch\u1ee9a \u0111\u1ef1ng nhi\u1ec1u d\u1eef li\u1ec7u:<br \/>\nM\u00e3 QR c\u00f3 th\u1ec3 ch\u1ee9a \u0111\u1ef1ng t\u1edbi h\u01a1n 7.000 k\u00fd t\u1ef1 s\u1ed1 ho\u1eb7c 4.000 k\u00fd t\u1ef1 ch\u1eef v\u00e0 s\u1ed1.<br \/>\nC\u00f3 th\u1ec3 ch\u1ee9a c\u00e1c lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c nh\u01b0 h\u00ecnh \u1ea3nh, \u00e2m thanh v\u00e0 li\u00ean k\u1ebft \u0111\u1ebfn c\u00e1c t\u00e0i li\u1ec7u tr\u1ef1c tuy\u1ebfn.<\/p>\n<p>2. D\u1ec5 d\u00e0ng qu\u00e9t v\u00e0 \u0111\u1ecdc:<br \/>\nC\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c qu\u00e9t v\u00e0 \u0111\u1ecdc b\u1edfi c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng c\u00f3 camera v\u00e0 \u1ee9ng d\u1ee5ng qu\u00e9t m\u00e3 QR.<br \/>\nC\u00e1c \u1ee9ng d\u1ee5ng qu\u00e9t m\u00e3 QR hi\u1ec7n nay r\u1ea5t ph\u1ed5 bi\u1ebfn v\u00e0 c\u00f3 s\u1eb5n tr\u00ean h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh di \u0111\u1ed9ng nh\u01b0 Android v\u00e0 iOS.<\/p>\n<p>3. T\u00ednh linh ho\u1ea1t v\u00e0 \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i:<br \/>\nM\u00e3 QR \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c kh\u00e1c nhau nh\u01b0 ti\u1ebfp th\u1ecb, b\u00e1n l\u1ebb, gi\u00e1o d\u1ee5c, ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe, v\u00e0 thanh to\u00e1n \u0111i\u1ec7n t\u1eed.<br \/>\nC\u00e1c doanh nghi\u1ec7p c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00e3 QR \u0111\u1ec3 cung c\u1ea5p th\u00f4ng tin s\u1ea3n ph\u1ea9m, h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng, ho\u1eb7c t\u1ea1o c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh khuy\u1ebfn m\u00e3i.<\/p>\n<p> C\u00e1ch t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng m\u00e3 QR<\/p>\n<p>1. T\u1ea1o m\u00e3 QR:<br \/>\nC\u00f3 nhi\u1ec1u c\u00f4ng c\u1ee5 tr\u1ef1c tuy\u1ebfn mi\u1ec5n ph\u00ed \u0111\u1ec3 t\u1ea1o m\u00e3 QR nh\u01b0 QR Code Generator, QR Stuff, v\u00e0 QR Code Monkey.<br \/>\nNg\u01b0\u1eddi d\u00f9ng ch\u1ec9 c\u1ea7n nh\u1eadp th\u00f4ng tin mu\u1ed1n m\u00e3 h\u00f3a (v\u00ed d\u1ee5: URL, v\u0103n b\u1ea3n, s\u1ed1 \u0111i\u1ec7n tho\u1ea1i) v\u00e0 c\u00f4ng c\u1ee5 s\u1ebd t\u1ea1o ra m\u00e3 QR t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>2. S\u1eed d\u1ee5ng m\u00e3 QR:<br \/>\nSau khi t\u1ea1o m\u00e3 QR, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 in ho\u1eb7c hi\u1ec3n th\u1ecb m\u00e3 tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng kh\u00e1c nhau nh\u01b0 t\u1edd r\u01a1i, bi\u1ec3n qu\u1ea3ng c\u00e1o, bao b\u00ec s\u1ea3n ph\u1ea9m, v\u00e0 trang web.<br \/>\nNg\u01b0\u1eddi ti\u00eau d\u00f9ng ch\u1ec9 c\u1ea7n s\u1eed d\u1ee5ng \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh \u0111\u1ec3 qu\u00e9t m\u00e3 v\u00e0 truy c\u1eadp v\u00e0o th\u00f4ng tin \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a.<\/p>\n<p> C\u00e1c l\u01b0u \u00fd v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 quy\u1ec1n ri\u00eang t\u01b0<\/p>\n<p>1. Ki\u1ec3m tra ngu\u1ed3n g\u1ed1c m\u00e3 QR:<br \/>\nTr\u01b0\u1edbc khi qu\u00e9t m\u00e3 QR, ng\u01b0\u1eddi d\u00f9ng n\u00ean ki\u1ec3m tra ngu\u1ed3n g\u1ed1c v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ee7a m\u00e3 \u0111\u1ec3 tr\u00e1nh c\u00e1c nguy c\u01a1 b\u1ea3o m\u1eadt.<br \/>\nKh\u00f4ng n\u00ean qu\u00e9t m\u00e3 QR t\u1eeb c\u00e1c ngu\u1ed3n kh\u00f4ng r\u00f5 r\u00e0ng ho\u1eb7c kh\u00f4ng tin c\u1eady.<\/p>\n<p>2. C\u1ea3nh gi\u00e1c v\u1edbi m\u00e3 QR \u0111\u1ed9c h\u1ea1i:<br \/>\nM\u00e3 QR c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c trang web l\u1eeba \u0111\u1ea3o ho\u1eb7c t\u1ea3i xu\u1ed1ng ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i.<br \/>\nS\u1eed d\u1ee5ng c\u00e1c \u1ee9ng d\u1ee5ng qu\u00e9t m\u00e3 QR c\u00f3 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt v\u00e0 c\u1ea3nh b\u00e1o khi ph\u00e1t hi\u1ec7n c\u00e1c li\u00ean k\u1ebft kh\u00f4ng an to\u00e0n.<\/p>\n<p>M\u00e3 QR l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 h\u1eefu \u00edch v\u00e0 m\u1ea1nh m\u1ebd trong vi\u1ec7c m\u00e3 h\u00f3a v\u00e0 truy\u1ec1n t\u1ea3i th\u00f4ng tin nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3. Tuy nhi\u00ean, vi\u1ec7c s\u1eed d\u1ee5ng m\u00e3 QR c\u0169ng \u0111\u00f2i h\u1ecfi ng\u01b0\u1eddi d\u00f9ng ph\u1ea3i c\u00f3 \u00fd th\u1ee9c b\u1ea3o m\u1eadt v\u00e0 th\u1eadn tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n th\u00f4ng tin c\u00e1 nh\u00e2n v\u00e0 d\u1eef li\u1ec7u.<\/p>\n<h3> Trong b\u00e0i vi\u1ebft n\u00e0y<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#a\">Ph\u1ea7n 1: C\u00f4ng c\u1ee5 t\u1ea1o b\u00e0i ki\u1ec3m tra AI OnlineExamMaker &#8211; T\u1ea1o b\u00e0i ki\u1ec3m tra mi\u1ec5n ph\u00ed trong v\u00e0i ph\u00fat<\/a><\/li>\n<li><a href=\"#1\">Ph\u1ea7n 2: 15 c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR<\/a><\/li>\n<li> <a href=\"#2\">Ph\u1ea7n 3: D\u00f9ng th\u1eed OnlineExamMaker AI Quiz Generator \u0111\u1ec3 t\u1ea1o c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m<\/a><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/qr-codes-quiz.webp\" alt=\"\"\/><\/p>\n<h3 id=\"a\">Ph\u1ea7n 1: C\u00f4ng c\u1ee5 t\u1ea1o b\u00e0i ki\u1ec3m tra AI OnlineExamMaker &#8211; T\u1ea1o b\u00e0i ki\u1ec3m tra mi\u1ec5n ph\u00ed trong v\u00e0i ph\u00fat<\/h3>\n<p>C\u00e1ch t\u1ed1t nh\u1ea5t \u0111\u1ec3 t\u1ea1o m\u1ed9t b\u00e0i ki\u1ec3m tra ki\u1ebfn \u200b\u200bth\u1ee9c m\u00e3 QR tr\u1ef1c tuy\u1ebfn l\u00e0 g\u00ec? OnlineExammaker l\u00e0 ph\u1ea7n m\u1ec1m l\u00e0m b\u00e0i ki\u1ec3m tra AI t\u1ed1t nh\u1ea5t cho b\u1ea1n. Kh\u00f4ng c\u00f3 m\u00e3 h\u00f3a, v\u00e0 kh\u00f4ng c\u1ea7n k\u1ef9 n\u0103ng thi\u1ebft k\u1ebf. N\u1ebfu b\u1ea1n kh\u00f4ng c\u00f3 th\u1eddi gian \u0111\u1ec3 t\u1ea1o b\u00e0i ki\u1ec3m tra tr\u1ef1c tuy\u1ebfn c\u1ee7a m\u00ecnh t\u1eeb \u0111\u1ea7u, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI OnlineExmaker \u0111\u1ec3 t\u1ea1o c\u00e2u h\u1ecfi t\u1ef1 \u0111\u1ed9ng, sau \u0111\u00f3 th\u00eam ch\u00fang v\u00e0o \u0111\u00e1nh gi\u00e1 tr\u1ef1c tuy\u1ebfn c\u1ee7a b\u1ea1n. H\u01a1n th\u1ebf n\u1eefa, n\u1ec1n t\u1ea3ng t\u1eadn d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng ph\u00e2n lo\u1ea1i AI v\u00e0 AI \u0111\u1ec3 h\u1ee3p l\u00fd h\u00f3a quy tr\u00ecnh trong khi \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a b\u00e0i ki\u1ec3m tra.<\/p>\n<p><strong> C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a OnlineExammaker: <\/strong><br \/>\n\u25cf T\u1ea1o t\u1ed1i \u0111a 10 lo\u1ea1i c\u00e2u h\u1ecfi, bao g\u1ed3m nhi\u1ec1u l\u1ef1a ch\u1ecdn, \u0111\u00fang\/sai, \u0111i\u1ec1n v\u00e0o ch\u1ed7 tr\u1ed1ng, ph\u00f9 h\u1ee3p, c\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn v\u00e0 c\u00e2u h\u1ecfi ti\u1ec3u lu\u1eadn.<br \/>\n\u25cf X\u00e2y d\u1ef1ng v\u00e0 l\u01b0u tr\u1eef c\u00e1c c\u00e2u h\u1ecfi trong m\u1ed9t c\u1ed5ng th\u00f4ng tin t\u1eadp trung, \u0111\u01b0\u1ee3c g\u1eafn th\u1ebb theo danh m\u1ee5c v\u00e0 t\u1eeb kh\u00f3a \u0111\u1ec3 t\u00e1i s\u1eed d\u1ee5ng v\u00e0 t\u1ed5 ch\u1ee9c d\u1ec5 d\u00e0ng.<br \/>\n\u25cf T\u1ef1 \u0111\u1ed9ng ghi \u0111i\u1ec3m nhi\u1ec1u l\u1ef1a ch\u1ecdn, \u0111\u00fang\/sai v\u00e0 th\u1eadm ch\u00ed c\u00e1c ph\u1ea3n h\u1ed3i \u00e2m thanh\/k\u1ebft th\u00fac m\u1edf b\u1eb1ng AI, gi\u1ea3m c\u00f4ng vi\u1ec7c th\u1ee7 c\u00f4ng.<br \/>\n\u25cf T\u1ea1o ch\u1ee9ng ch\u1ec9 v\u1edbi logo c\u00f4ng ty \u0111\u01b0\u1ee3c c\u00e1 nh\u00e2n h\u00f3a, ti\u00eau \u0111\u1ec1 ch\u1ee9ng ch\u1ec9, m\u00f4 t\u1ea3, ng\u00e0y, t\u00ean \u1ee9ng c\u1eed vi\u00ean, nh\u00e3n hi\u1ec7u v\u00e0 ch\u1eef k\u00fd.<\/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\/bv7AAAyFOo4\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">T\u1ea1o b\u00e0i ki\u1ec3m tra\/b\u00e0i ki\u1ec3m tra ti\u1ebfp theo c\u1ee7a b\u1ea1n v\u1edbi OnlineExamMaker<\/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\/sign-up.html?refer=blog_btn\"> B\u1eaft \u0111\u1ea7u mi\u1ec5n ph\u00ed<\/a><\/div>\n<div class=\"p-style-b\">SAAS, mi\u1ec5n ph\u00ed m\u00e3i m\u00e3i<\/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\/lan.html?refer=blog_btn\">On-Premise: T\u1ea3i xu\u1ed1ng<\/a><\/div>\n<div class=\"p-style-b\">Quy\u1ec1n s\u1edf h\u1eefu d\u1eef li\u1ec7u 100%<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"1\"> Ph\u1ea7n 2: 15 c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR<\/h3>\n<p><button type=\"button\" id=\"copyquestionsBtn\" onClick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi \u0111\u1ed1<\/button><\/p>\n<div id=\"copy_questions\">\n<p>1. M\u00e3 QR \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u1ea7n \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m n\u00e0o?<br \/>\n   a) 1984<br \/>\n   b) 1994<br \/>\n   c) 2004<br \/>\n   d) 2014<br \/>\n   \u0110\u00e1p \u00e1n: b) 1994<\/p>\n<p>2. C\u00f4ng ty n\u00e0o \u0111\u00e3 ph\u00e1t tri\u1ec3n m\u00e3 QR?<br \/>\n   a) Toyota<br \/>\n   b) Honda<br \/>\n   c) Denso Wave<br \/>\n   d) Sony<br \/>\n   \u0110\u00e1p \u00e1n: c) Denso Wave<\/p>\n<p>3. M\u00e3 QR l\u00e0 vi\u1ebft t\u1eaft c\u1ee7a t\u1eeb g\u00ec?<br \/>\n   a) Quick Response<br \/>\n   b) Quick Record<br \/>\n   c) Quick Read<br \/>\n   d) Quick Report<br \/>\n   \u0110\u00e1p \u00e1n: a) Quick Response<\/p>\n<p>4. M\u00e3 QR c\u00f3 th\u1ec3 ch\u1ee9a \u0111\u1ef1ng bao nhi\u00eau k\u00fd t\u1ef1 s\u1ed1?<br \/>\n   a) 1.000<br \/>\n   b) 2.500<br \/>\n   c) 5.000<br \/>\n   d) H\u01a1n 7.000<br \/>\n   \u0110\u00e1p \u00e1n: d) H\u01a1n 7.000<\/p>\n<p>5. \u0110\u1ec3 qu\u00e9t m\u00e3 QR, b\u1ea1n c\u1ea7n thi\u1ebft b\u1ecb g\u00ec?<br \/>\n   a) M\u00e1y in<br \/>\n   b) M\u00e1y \u1ea3nh<br \/>\n   c) \u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh<br \/>\n   d) M\u00e1y t\u00ednh b\u00e0n<br \/>\n   \u0110\u00e1p \u00e1n: c) \u0110i\u1ec7n tho\u1ea1i th\u00f4ng minh<\/p>\n<p>6. Lo\u1ea1i th\u00f4ng tin n\u00e0o kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a trong m\u00e3 QR?<br \/>\n   a) V\u0103n b\u1ea3n<br \/>\n   b) URL<br \/>\n   c) H\u00ecnh \u1ea3nh<br \/>\n   d) S\u1ed1 \u0111i\u1ec7n tho\u1ea1i<br \/>\n   \u0110\u00e1p \u00e1n: c) H\u00ecnh \u1ea3nh<\/p>\n<p>7. C\u00f4ng c\u1ee5 n\u00e0o sau \u0111\u00e2y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o m\u00e3 QR mi\u1ec5n ph\u00ed?<br \/>\n   a) Microsoft Word<br \/>\n   b) QR Code Generator<br \/>\n   c) Adobe Photoshop<br \/>\n   d) Google Drive<br \/>\n   \u0110\u00e1p \u00e1n: b) QR Code Generator<\/p>\n<p>8. M\u00e3 QR th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c n\u00e0o?<br \/>\n   a) Ti\u1ebfp th\u1ecb<br \/>\n   b) Gi\u00e1o d\u1ee5c<br \/>\n   c) Ch\u0103m s\u00f3c s\u1ee9c kh\u1ecfe<br \/>\n   d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<br \/>\n   \u0110\u00e1p \u00e1n: d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<\/p>\n<p>9. Khi qu\u00e9t m\u00e3 QR, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u01b0u \u00fd \u0111i\u1ec1u g\u00ec \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o an to\u00e0n?<br \/>\n   a) Qu\u00e9t m\u00e3 t\u1eeb c\u00e1c ngu\u1ed3n tin c\u1eady<br \/>\n   b) Ch\u1ec9 qu\u00e9t m\u00e3 QR m\u00e0u \u0111en tr\u1eafng<br \/>\n   c) \u0110\u1ea3m b\u1ea3o \u0111i\u1ec7n tho\u1ea1i \u0111\u00e3 k\u1ebft n\u1ed1i Wi-Fi<br \/>\n   d) S\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng qu\u00e9t m\u00e3 QR c\u00f3 t\u00ednh n\u0103ng ch\u1ec9nh s\u1eeda<br \/>\n   \u0110\u00e1p \u00e1n: a) Qu\u00e9t m\u00e3 t\u1eeb c\u00e1c ngu\u1ed3n tin c\u1eady<\/p>\n<p>10. \u1ee8ng d\u1ee5ng qu\u00e9t m\u00e3 QR c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh n\u00e0o?<br \/>\n    a) iOS<br \/>\n    b) Android<br \/>\n    c) Windows Phone<br \/>\n    d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<br \/>\n    \u0110\u00e1p \u00e1n: d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<\/p>\n<p>11. M\u00e3 QR c\u00f3 \u01b0u \u0111i\u1ec3m g\u00ec so v\u1edbi m\u00e3 v\u1ea1ch truy\u1ec1n th\u1ed1ng?<br \/>\n    a) C\u00f3 th\u1ec3 ch\u1ee9a nhi\u1ec1u th\u00f4ng tin h\u01a1n<br \/>\n    b) Qu\u00e9t nhanh h\u01a1n<br \/>\n    c) C\u00f3 th\u1ec3 \u0111\u1ecdc t\u1eeb m\u1ecdi h\u01b0\u1edbng<br \/>\n    d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<br \/>\n    \u0110\u00e1p \u00e1n: d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<\/p>\n<p>12. M\u00e3 QR c\u00f3 th\u1ec3 d\u1eabn ng\u01b0\u1eddi d\u00f9ng \u0111\u1ebfn \u0111\u00e2u?<br \/>\n    a) Trang web<br \/>\n    b) Th\u00f4ng tin li\u00ean h\u1ec7<br \/>\n    c) \u0110\u1ecba ch\u1ec9 email<br \/>\n    d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<br \/>\n    \u0110\u00e1p \u00e1n: d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<\/p>\n<p>13. Khi s\u1eed d\u1ee5ng m\u00e3 QR trong ti\u1ebfp th\u1ecb, doanh nghi\u1ec7p c\u00f3 th\u1ec3:<br \/>\n    a) Cung c\u1ea5p phi\u1ebfu gi\u1ea3m gi\u00e1<br \/>\n    b) Li\u00ean k\u1ebft \u0111\u1ebfn video qu\u1ea3ng c\u00e1o<br \/>\n    c) Chia s\u1ebb th\u00f4ng tin s\u1ea3n ph\u1ea9m<br \/>\n    d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<br \/>\n    \u0110\u00e1p \u00e1n: d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<\/p>\n<p>14. C\u00f4ng ngh\u1ec7 n\u00e0o h\u1ed7 tr\u1ee3 vi\u1ec7c qu\u00e9t m\u00e3 QR?<br \/>\n    a) Bluetooth<br \/>\n    b) NFC<br \/>\n    c) Camera<br \/>\n    d) GPS<br \/>\n    \u0110\u00e1p \u00e1n: c) Camera<\/p>\n<p>15. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt khi qu\u00e9t m\u00e3 QR, ng\u01b0\u1eddi d\u00f9ng n\u00ean:<br \/>\n    a) Ki\u1ec3m tra URL tr\u01b0\u1edbc khi truy c\u1eadp<br \/>\n    b) Ch\u1ec9 qu\u00e9t m\u00e3 t\u1eeb c\u00e1c ngu\u1ed3n tin c\u1eady<br \/>\n    c) S\u1eed d\u1ee5ng \u1ee9ng d\u1ee5ng qu\u00e9t c\u00f3 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt<br \/>\n    d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<br \/>\n    \u0110\u00e1p \u00e1n: d) T\u1ea5t c\u1ea3 c\u00e1c ph\u01b0\u01a1ng \u00e1n tr\u00ean<\/p>\n<\/div>\n<p><button type=\"button\" id=\"copyquestionsBtn\" onClick=\"myFunction()\">Sao ch\u00e9p c\u00e2u h\u1ecfi \u0111\u1ed1<\/button><\/p>\n<h3 id=\"2\">Ph\u1ea7n 3: D\u00f9ng th\u1eed OnlineExamMaker AI Quiz Generator \u0111\u1ec3 t\u1ea1o c\u00e2u h\u1ecfi tr\u1eafc nghi\u1ec7m<\/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;\">T\u1ef1 \u0111\u1ed9ng t\u1ea1o c\u00e2u h\u1ecfi b\u1eb1ng 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\">Tr\u00ecnh t\u1ea1o c\u00e2u h\u1ecfi AI<\/a><\/div>\n<div class=\"p-style-b\">T\u1ea1o c\u00e2u h\u1ecfi cho b\u1ea5t k\u1ef3 ch\u1ee7 \u0111\u1ec1 n\u00e0o<\/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\"> T\u1ea1o m\u1ed9t c\u00e2u \u0111\u1ed1<\/a><\/div>\n<div class=\"p-style-b\">Mi\u1ec5n ph\u00ed 100% m\u00e3i m\u00e3i<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script src=\"https:\/\/unpkg.com\/@popperjs\/core@2\"><\/script><br \/>\n<script src=\"https:\/\/unpkg.com\/tippy.js@6\"><\/script><\/p>\n<p><script type=\"text\/javascript\">\nfunction myFunction() {\nvar copyText = document.getElementById(\"copy_questions\");\n\/\/ Copy the text inside the text field\nconsole.log(copyText.innerText)\nnavigator.clipboard.writeText(copyText.innerText);\n}\nvar copy1, copy2;\n        tippy('#copyquestionsBtn', {\n        'content': \"Copy questions to clipboard\",\n       trigger: 'mouseenter',\n       'onCreate':function(instance){\n              copy1 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy2.hide();\n       }\n       });\n       tippy('#copyquestionsBtn', {\n       'content': \"Copied successfully\",\n       trigger: 'click',\n       'onCreate':function(instance){\n              copy2 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy1.hide();\n       }\n       });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1ed5ng quan v\u1ec1 m\u00e3 QR M\u00e3 QR (Quick Response code) l\u00e0 m\u1ed9t lo\u1ea1i m\u00e3 v\u1ea1ch hai chi\u1ec1u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o n\u0103m 1994 b\u1edfi c\u00f4ng ty Denso Wave, m\u1ed9t c\u00f4ng ty con c\u1ee7a Toyota. M\u00e3 QR \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00e3 h\u00f3a th\u00f4ng tin m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":17275,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6049],"tags":[],"class_list":["post-36475","post","type-post","status-publish","format-standard","hentry","category-questions-answers-vi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>2026 | 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR - 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\/vi\/15-qr-codes-quiz-questions-and-answers-12\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2026 | 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR - OnlineExamMaker Blog\" \/>\n<meta property=\"og:description\" content=\"T\u1ed5ng quan v\u1ec1 m\u00e3 QR M\u00e3 QR (Quick Response code) l\u00e0 m\u1ed9t lo\u1ea1i m\u00e3 v\u1ea1ch hai chi\u1ec1u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o n\u0103m 1994 b\u1edfi c\u00f4ng ty Denso Wave, m\u1ed9t c\u00f4ng ty con c\u1ee7a Toyota. M\u00e3 QR \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 m\u00e3 h\u00f3a th\u00f4ng tin m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 d\u1ec5 d\u00e0ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/onlineexammaker.com\/kb\/vi\/15-qr-codes-quiz-questions-and-answers-12\/\" \/>\n<meta property=\"og:site_name\" content=\"OnlineExamMaker Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-27T13:55:18+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-09T16:46:37+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=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/vi\/15-qr-codes-quiz-questions-and-answers-12\/\",\"url\":\"https:\/\/onlineexammaker.com\/kb\/vi\/15-qr-codes-quiz-questions-and-answers-12\/\",\"name\":\"2026 | 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR - OnlineExamMaker Blog\",\"isPartOf\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#website\"},\"datePublished\":\"2025-11-27T13:55:18+00:00\",\"dateModified\":\"2025-12-09T16:46:37+00:00\",\"author\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/#\/schema\/person\/395b2b5bfc990b8d494fc7b498db795b\"},\"breadcrumb\":{\"@id\":\"https:\/\/onlineexammaker.com\/kb\/vi\/15-qr-codes-quiz-questions-and-answers-12\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/onlineexammaker.com\/kb\/vi\/15-qr-codes-quiz-questions-and-answers-12\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/onlineexammaker.com\/kb\/vi\/15-qr-codes-quiz-questions-and-answers-12\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/onlineexammaker.com\/kb\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"2026 | 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR\"}]},{\"@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":"2026 | 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR - 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\/vi\/15-qr-codes-quiz-questions-and-answers-12\/","og_locale":"en_US","og_type":"article","og_title":"2026 | 15 c\u00e2u h\u1ecfi v\u00e0 \u0111\u00e1p \u00e1n tr\u1eafc nghi\u1ec7m v\u1ec1 m\u00e3 QR - OnlineExamMaker Blog","og_description":"T\u1ed5ng quan v\u1ec1 m\u00e3 QR M\u00e3 QR (Quick Response code) l\u00e0 m\u1ed9t lo\u1ea1i m\u00e3 v\u1ea1ch hai chi\u1ec1u \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n v\u00e0o n\u0103m 1994 b\u1edfi c\u00f4ng ty Denso Wave, m\u1ed9t c\u00f4ng ty con c\u1ee7a Toyota. 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