{"id":2457,"date":"2017-06-26T14:49:44","date_gmt":"2017-06-26T07:49:44","guid":{"rendered":"https:\/\/engisv.info\/?p=2457"},"modified":"2026-07-01T19:10:57","modified_gmt":"2026-07-01T12:10:57","slug":"chuyen-doi-thap-luc-phan-bat-phan-sang-nhi-phan-va-nguoc-lai","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=2457","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i th\u1eadp l\u1ee5c ph\u00e2n, b\u00e1t ph\u00e2n sang nh\u1ecb ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i."},"content":{"rendered":"<p>Ch\u00fang ta \u0111\u00e3 t\u00ecm hi\u1ec3u c\u00e1ch chuy\u1ec3n\u00a0\u0111\u1ed5i s\u1ed1 Th\u1eadp ph\u00e2n ra s\u1ed1 Nh\u1ecb ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n, B\u00e1t ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Trong b\u00e0i n\u00e0y ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u c\u00e1c chuy\u1ec3n c\u00e1c h\u1ec7 s\u01a1 s\u1ed1 Th\u1eadp l\u1ee5c ph\u00e2n, b\u00e1t ph\u00e2n sang nh\u1ecb ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i v\u00e0 m\u1edf r\u1ed9ng chuy\u1ec3n t\u1eeb c\u00e1c h\u1ec7 c\u01a1 s\u1ed1 b\u00e1t ph\u00e2n, th\u1eadp l\u1ee5c ph\u00e2n sang th\u1eadp ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Ch\u00fang ta \u0111\u00e3 bi\u1ebft \u0111\u1ebfn b\u1ea3ng gi\u00e1 tr\u1ecb c\u00e1c h\u1ec7 c\u01a1 s\u1ed1:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-5633 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan1-1.png\" alt=\"\" width=\"646\" height=\"511\" srcset=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan1-1.png 646w, https:\/\/www.engisv.info\/wp-content\/uploads\/2014\/10\/DoiNhiPhan_Phan1-1-300x237.png 300w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/p>\n<p><strong>\u0110\u1ed5i th\u1eadp l\u1ee5c ph\u00e2n th\u00e0nh nh\u1ecb ph\u00e2n:<\/strong><\/p>\n<p>\u0110\u1ec3 chuy\u1ec3n t\u1eeb th\u1eadp l\u1ee5c ph\u00e2n sang nh\u1ecb ph\u00e2n, ta ch\u1ec9 c\u1ea7n t\u00e1ch c\u00e1c s\u1ed1 trong chu\u1ed5i s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n, sau \u0111\u00f3 \u0111\u01b0a ch\u00fang v\u1ec1 gi\u00e1 tr\u1ecb th\u1eadp ph\u00e2n t\u01b0\u01a1ng \u1ee9ng, sau \u0111\u00f3 chuy\u1ec3n \u0111\u1ed5i gi\u00e1 tr\u1ecb th\u1eadp ph\u00e2n n\u00e0y ra th\u00e0nh nh\u1ecb ph\u00e2n, sau \u0111\u00f3 ghi l\u1ea1i gi\u00e1 tr\u1ecb nh\u1ecb ph\u00e2n t\u00ecm \u0111\u01b0\u1ee3c theo th\u1ee9 t\u1ef1 c\u1ee7a chu\u1ed7i s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n.<\/p>\n<p>V\u00ed d\u1ee5: ti\u1ebfn h\u00e0nh \u0111\u1ed5i d\u00e3y s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n 15AF th\u00e0nh nh\u1ecb ph\u00e2n:<\/p>\n<ul>\n<li>1 = 1 = 0001<\/li>\n<li>5 = 5= 0101<\/li>\n<li>A =10= 1010<\/li>\n<li>F=15 = 1111<\/li>\n<\/ul>\n<p>(15AF)<sub>16<\/sub> = (1010110101111)<sub>2<\/sub><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2476 size-medium aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/dex_oct_bin-1-300x223.png\" alt=\"\" width=\"300\" height=\"223\" \/><\/p>\n<p><strong>\u0110\u1ed5i b\u00e1t ph\u00e2n th\u00e0nh nh\u1ecb ph\u00e2n:<\/strong><\/p>\n<p>Ta ti\u1ebfn h\u00e0nh t\u01b0\u01a1ng t\u1ef1 cho h\u1ec7 b\u00e1t ph\u00e2n, ch\u00fang ta ti\u1ebfn h\u00e0nh t\u00e1ch c\u00e1c s\u1ed1 trong d\u00e3y s\u1ed1 b\u00e1t ph\u00e2n th\u00e0nh t\u1eebng con s\u1ed1, sau \u0111\u00f3 chuy\u1ec3n t\u1eebng con s\u1ed1 n\u00e0y th\u00e0nh nh\u1ecb ph\u00e2n, ghi l\u1ea1i theo th\u1ee9 t\u1ef1 d\u00e3y s\u1ed1 b\u00e1t ph\u00e2n th\u00ec ta s\u1ebd \u0111\u01b0\u1ee3c d\u00e3y s\u1ed1 nh\u1ecb ph\u00e2n t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<p>V\u00ed d\u1ee5 chuy\u1ec3n d\u00e3y s\u1ed1 1456 th\u00e0nh nh\u1ecb ph\u00e2n:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2460 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/dex_oct_bin-4-300x281.png\" alt=\"\" width=\"300\" height=\"281\" \/><\/p>\n<p>(1456)<sub>8<\/sub> = (1100101110)<sub>2<\/sub><\/p>\n<p><strong>\u0110\u1ed5i nh\u1ecb ph\u00e2n sang th\u1eadp l\u1ee5c ph\u00e2n:<\/strong><\/p>\n<p>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t d\u00e3y nh\u1ecb ph\u00e2n th\u00e0nh s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n, ta nh\u00f3m l\u1ea7n l\u01b0\u1ee3t c\u00e1c b\u1ecb nh\u1ecb ph\u00e2n t\u1eeb ph\u1ea3i qua tr\u00e1i th\u00e0nh c\u00e1c nh\u00f3m 4 bit, sau \u0111\u00f3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p <a href=\"https:\/\/www.engisv.info\/?p=220\" target=\"_blank\" rel=\"noopener noreferrer\">chuy\u1ec3n nh\u1ecb ph\u00e2n sang th\u1eadp ph\u1eadn<\/a>\u00a0 \u0111\u1ec3 chuy\u1ec3n c\u00e1c nh\u00f3m 4bit n\u00e0y th\u00e0nh s\u1ed1 th\u1eadp ph\u00e2n, c\u00e1c s\u1ed1 c\u00f3 k\u1ebft qu\u1ea3 t\u1eeb 10 \u0111\u1ebfn 15 s\u1ebd chuy\u1ec5n th\u00e0nh A, B, C, D, E, F v\u00e0 cu\u1ed1i c\u00f9ng bi\u1ec3u di\u1ec5n c\u00e1c gi\u00e1 tr\u1ecb t\u00ecm \u0111\u01b0\u1ee3c th\u00e0nh d\u00e3y s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n.<\/p>\n<p>V\u00ed d\u1ee5 ta c\u00f3 d\u00e3y nh\u1ecb ph\u00e2n 1010110111111 v\u00e0 y\u00eau c\u1ea7u l\u00e0 \u0111\u1ed5i th\u00e0nh th\u1eadp l\u1ee5c ph\u00e2n:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2474 size-medium aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/dex_oct_bin-2-263x300.png\" alt=\"\" width=\"263\" height=\"300\" \/><\/p>\n<p>(1010110111111)<sub>2<\/sub> = (15BF)<sub>16<\/sub><\/p>\n<p><strong>\u0110\u1ed5i nh\u1ecb ph\u00e2n th\u00e0nh b\u00e1t ph\u00e2n:<\/strong><\/p>\n<p>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i m\u1ed9t d\u00e3y nh\u1ecb ph\u00e2n th\u00e0nh s\u1ed1 b\u00e1t ph\u00e2n, ta nh\u00f3m l\u1ea7n l\u01b0\u1ee3t c\u00e1c b\u1ecb nh\u1ecb ph\u00e2n t\u1eeb ph\u1ea3i qua tr\u00e1i th\u00e0nh c\u00e1c nh\u00f3m 3 bit, sau \u0111\u00f3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p <a href=\"https:\/\/www.engisv.info\/?p=220\" target=\"_blank\" rel=\"noopener noreferrer\">chuy\u1ec3n nh\u1ecb ph\u00e2n sang th\u1eadp ph\u1eadn<\/a>\u00a0\u0111\u1ec3 chuy\u1ec3n c\u00e1c bit n\u00e0y th\u00e0nh s\u1ed1 th\u1eadp ph\u00e2n (l\u01b0u \u00fd l\u00e0 v\u1edbi h\u1ec7 b\u00e1t ph\u00e2n c\u00e1c s\u1ed1 bi\u1ec3u di\u1ec5n kh\u00f4ng l\u1edbn h\u01a1n 7) v\u00e0 cu\u1ed1i c\u00f9ng bi\u1ec3u di\u1ec5n c\u00e1c gi\u00e1 tr\u1ecb t\u00ecm \u0111\u01b0\u1ee3c th\u00e0nh d\u00e3y s\u1ed1 b\u00e1t ph\u00e2n.<\/p>\n<p>V\u00ed d\u1ee5 ta c\u00f3 d\u00e3y s\u1ed1 nh\u1ecb ph\u00e2n 1010110111 v\u00e0 y\u00eau c\u1ea7u chuy\u1ec3n n\u00f3 th\u00e0nh b\u00e1t ph\u00e2n:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2481 size-medium aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/06\/dex_oct_bin-3-241x300.png\" alt=\"\" width=\"241\" height=\"300\" \/><\/p>\n<p>(1010110111)<sub>2<\/sub> = (1267)<sub>8<\/sub><\/p>\n<p><strong>M\u1edf r\u1ed9ng v\u1ea5n \u0111\u1ec1:<\/strong><\/p>\n<ul>\n<li>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i <strong>th\u1eadp ph\u00e2n<\/strong> sang <strong>b\u00e1t ph\u00e2n <\/strong>v\u00e0<strong> th\u1eadp l\u1ee5c ph\u00e2n<\/strong>, \u0111\u1ea7u ti\u00ean ta chuy\u1ec3n \u0111\u1ed5i s\u1ed1 th\u1eadp ph\u00e2n ra th\u00e0nh <strong>gi\u00e1 tr\u1ecb nh\u1ecb ph\u00e2n<\/strong>, sau \u0111\u00f3 ti\u1ebfn h\u00e0nh <strong>nh\u00f3m c\u00e1c bit nh\u1ecb ph\u00e2n<\/strong> n\u00e0y nh\u01b0 ph\u1ea7n h\u01b0\u1edbng d\u1ea9n \u1edf tr\u00ean v\u00e0 chuy\u1ec3n \u0111\u1ed5i c\u00e1c nh\u00f3m bit nh\u1ecb ph\u00e2n th\u00e0nh s\u1ed1 b\u00e1t ph\u00e2n ho\u1eb7c th\u1eadp l\u1ee5c ph\u00e2n nh\u01b0 h\u01b0\u1edbng d\u1ea9n \u1edf tr\u00ean<a href=\"https:\/\/www.engisv.info\/?p=220\">.<\/a><\/li>\n<li>\u0110\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c s\u1ed1 <strong>b\u00e1t ph\u00e2n<\/strong> v\u00e0 <strong>th\u1eadp l\u1ee5c<\/strong> ph\u00e2n sang <strong>th\u1eadp ph\u00e2n<\/strong>, \u0111\u1ea7u ti\u00ean ta <strong>chuy\u1ec3n d\u00e3y b\u00e1t ph\u00e2n ho\u1eb7c th\u1eadp l\u1ee5c ph\u00e2n sang d\u00e3y nh\u1ecb ph\u00e2n<\/strong> nh\u01b0 \u1edf tr\u00ean, sau \u0111\u00f3 d\u00f9ng ph\u01b0\u01a1ng ph\u00e1p <a href=\"https:\/\/www.engisv.info\/?p=220\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>chuy\u1ec3n \u0111\u1ed5i t\u1eeb nh\u1ecb ph\u00e2n sang th\u1eadp ph\u00e2n<\/strong><\/a> th\u00ec ta s\u1ebd \u0111\u01b0\u1ee3c m\u1ed9t gi\u00e1 tr\u1ecb th\u1eadp ph\u00e2n t\u01b0\u01a1ng \u1ee9ng<\/li>\n<\/ul>\n<p><strong>L\u01b0u \u00fd: <\/strong><\/p>\n<ul>\n<li>Khi bi\u1ec3u di\u1ec5n s\u1ed1 h\u1ecdc, c\u00e1c gi\u00e1 tr\u1ecb kh\u00f4ng (0) \u0111\u1ea7u ti\u00ean c\u1ee7a d\u00e3y s\u1ed1 s\u1ebd kh\u00f4ng c\u00f3 gi\u00e1 tr\u1ecb, b\u1ea1n kh\u00f4ng c\u1ea7n bi\u1ec3u di\u1ec5n c\u00e1c s\u1ed1 o n\u00e0y.\u00a0B\u1ea1n c\u00f3 th\u1ec3 xem c\u00e1ch bi\u1ec3u di\u1ec5n \u1edf hai v\u00ed d\u1ee5 v\u1ec1\u00a0<strong>\u0110\u1ed5i th\u1eadp l\u1ee5c ph\u00e2n th\u00e0nh nh\u1ecb ph\u00e2n<\/strong><strong>\u00a0<\/strong> v\u00e0 <strong>\u0110\u1ed5i b\u00e1t ph\u00e2n th\u00e0nh nh\u1ecb ph\u00e2n<\/strong>\u00a0\u1edf tr\u00ean.<\/li>\n<li>Trong tr\u01b0\u1eddng h\u1ee3p nh\u00f3m c\u00e1c bit nh\u1ecb ph\u00e2n, b\u1ea1n c\u00f3 th\u1ec3 bi\u1ec3u di\u1ec5n th\u00eam s\u1ed1 kh\u00f4ng \u1edf ph\u00eda tr\u01b0\u1edbc \u0111\u1ec3 khi t\u00ednh to\u00e1n kh\u00f4ng b\u1ecb nh\u1ea7m l\u1eabn. B\u1ea1n c\u00f3 th\u1ec3 xem c\u00e1ch bi\u1ec3u di\u1ec5n \u1edf hai v\u00ed d\u1ee5 v\u1ec1<strong>\u0110\u1ed5i nh\u1ecb ph\u00e2n th\u00e0nh b\u00e1t ph\u00e2n<\/strong><strong>\u00a0<\/strong> v\u00e0 <strong>\u0110\u1ed5i nh\u1ecb ph\u00e2n sang th\u1eadp l\u1ee5c ph\u00e2n<\/strong>\u00a0\u1edf tr\u00ean.<\/li>\n<\/ul>\n<p><em><strong>B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o \u00a0c\u00f4ng c\u1ee5\u00a0<a href=\"https:\/\/calc.50x.eu\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/calc.50x.eu\/<\/a><\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u00fang ta \u0111\u00e3 t\u00ecm hi\u1ec3u c\u00e1ch chuy\u1ec3n\u00a0\u0111\u1ed5i s\u1ed1 Th\u1eadp ph\u00e2n ra s\u1ed1 Nh\u1ecb ph\u00e2n, Th\u1eadp l\u1ee5c ph\u00e2n, B\u00e1t ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Trong b\u00e0i n\u00e0y ch\u00fang ta s\u1ebd t\u00ecm hi\u1ec3u c\u00e1c chuy\u1ec3n c\u00e1c h\u1ec7 s\u01a1 s\u1ed1 Th\u1eadp l\u1ee5c ph\u00e2n, b\u00e1t ph\u00e2n sang nh\u1ecb ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i v\u00e0 m\u1edf r\u1ed9ng chuy\u1ec3n t\u1eeb c\u00e1c h\u1ec7 c\u01a1 s\u1ed1 b\u00e1t ph\u00e2n, th\u1eadp l\u1ee5c ph\u00e2n sang th\u1eadp ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. Ch\u00fang ta \u0111\u00e3 bi\u1ebft \u0111\u1ebfn b\u1ea3ng gi\u00e1 tr\u1ecb c\u00e1c h\u1ec7 c\u01a1 s\u1ed1: \u0110\u1ed5i th\u1eadp l\u1ee5c ph\u00e2n th\u00e0nh nh\u1ecb ph\u00e2n: \u0110\u1ec3 chuy\u1ec3n t\u1eeb th\u1eadp&hellip;<\/p>\n","protected":false},"author":2,"featured_media":221,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[20,7],"tags":[32],"class_list":["post-2457","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cac-khai-niem","category-kien-thuc","tag-chuyen-doi-co-so"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Chuy\u1ec3n \u0111\u1ed5i th\u1eadp l\u1ee5c ph\u00e2n, b\u00e1t ph\u00e2n sang nh\u1ecb ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. - EngISV<\/title>\n<meta name=\"description\" content=\"Chuy\u1ec3n \u0111\u1ed5i th\u1eadp l\u1ee5c ph\u00e2n, b\u00e1t ph\u00e2n sang nh\u1ecb ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.Convert hexadecimal, octal to binary and vice versa.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engisv.info\/?p=2457\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Chuy\u1ec3n \u0111\u1ed5i th\u1eadp l\u1ee5c ph\u00e2n, b\u00e1t ph\u00e2n sang nh\u1ecb ph\u00e2n v\u00e0 ng\u01b0\u1ee3c l\u1ea1i. - 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