{"id":619,"date":"2022-01-26T01:52:47","date_gmt":"2022-01-26T01:52:47","guid":{"rendered":"https:\/\/www.cybermedian.com\/vn\/?p=619"},"modified":"2025-02-14T11:10:52","modified_gmt":"2025-02-14T03:10:52","slug":"what-is-the-relationship-between-system-context-diagram-and-dfd","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/vn\/what-is-the-relationship-between-system-context-diagram-and-dfd\/","title":{"rendered":"M\u1ed1i quan h\u1ec7 gi\u1eefa s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng v\u00e0 DFD l\u00e0 g\u00ec?"},"content":{"rendered":"<section class=\"section section--body section--first\">\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<p class=\"graf graf--p graf-after--h3\" id=\"d84e\">S\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng<a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/knowledge\/system-context-diagram\/what-is-system-context-diagram\/\" href=\"https:\/\/online.visual-paradigm.com\/knowledge\/system-context-diagram\/what-is-system-context-diagram\/\" rel=\"noopener\" target=\"_blank\">s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng<\/a>\u00a0(c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1ea5p \u0111\u1ed9 0<a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/\" href=\"https:\/\/www.visual-paradigm.com\/guide\/data-flow-diagram\/what-is-data-flow-diagram\/\" rel=\"noopener\" target=\"_blank\">\u00a0DFD<\/a>) l\u00e0 c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t trong s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u v\u00e0 ch\u1ec9 ch\u1ee9a m\u1ed9t quy tr\u00ecnh duy nh\u1ea5t \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng, thi\u1ebft l\u1eadp ng\u1eef c\u1ea3nh v\u00e0 ranh gi\u1edbi c\u1ee7a h\u1ec7 th\u1ed1ng c\u1ea7n \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. N\u00f3 x\u00e1c \u0111\u1ecbnh lu\u1ed3ng th\u00f4ng tin gi\u1eefa h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i, c\u1ee5 th\u1ec3 l\u00e0 c\u00e1c t\u00e1c nh\u00e2n.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"d9bb\">S\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh th\u01b0\u1eddng \u0111\u01b0\u1ee3c bao g\u1ed3m trong t\u00e0i li\u1ec7u y\u00eau c\u1ea7u. N\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c \u0111\u1ecdc b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan v\u00e0 do \u0111\u00f3 n\u00ean \u0111\u01b0\u1ee3c vi\u1ebft b\u1eb1ng ng\u00f4n ng\u1eef \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 c\u00e1c b\u00ean li\u00ean quan c\u00f3 th\u1ec3 hi\u1ec3u d\u1ef1 \u00e1n.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"ae15\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh cho H\u1ec7 th\u1ed1ng \u0110\u1eb7t h\u00e0ng B\u00e1n:<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"30db\"><img class=\"graf-image\" data-height=\"452\" data-image-id=\"0*mQyZUktURYYDyNCp.png\" data-is-featured=\"true\" data-width=\"662\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0mQyZUktURYYDyNCp.png\"\/><\/figure>\n<p class=\"graf graf--p graf-after--figure\" id=\"36b7\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/6b20da6b-c7ad-4af6-8438-afd909b6d156.xml&amp;name=Sales%20Order%20System\" href=\"https:\/\/diagrams.visual-paradigm.com\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/6b20da6b-c7ad-4af6-8438-afd909b6d156.xml&amp;name=Sales%20Order%20System\" rel=\"noopener\" target=\"_blank\">Ch\u1ec9nh s\u1eeda s\u01a1 \u0111\u1ed3 n\u00e0y<\/a><\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"03ad\">M\u1ee5c \u0111\u00edch c\u1ee7a s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"065e\">M\u1ee5c ti\u00eau c\u1ee7a s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng l\u00e0 t\u1eadp trung v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 v\u00e0 s\u1ef1 ki\u1ec7n b\u00ean ngo\u00e0i c\u1ea7n \u0111\u01b0\u1ee3c xem x\u00e9t khi ph\u00e1t tri\u1ec3n m\u1ed9t b\u1ed9 y\u00eau c\u1ea7u v\u00e0 r\u00e0ng bu\u1ed9c c\u1ee7a h\u1ec7 th\u1ed1ng. B\u1ea3n \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng s\u1edbm trong m\u1ed9t d\u1ef1 \u00e1n \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u1ea1m vi c\u1ee7a cu\u1ed9c \u0111i\u1ec1u tra.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"4acb\">S\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng \u0111\u1ea1i di\u1ec7n cho t\u1ea5t c\u1ea3 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng. To\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m tr\u00f4ng gi\u1ed1ng nh\u01b0 m\u1ed9t quy tr\u00ecnh duy nh\u1ea5t. S\u01a1 \u0111\u1ed3 nh\u01b0 v\u1eady m\u00f4 t\u1ea3 m\u1ed9t h\u1ec7 th\u1ed1ng \u1edf trung t\u00e2m, kh\u00f4ng c\u00f3 chi ti\u1ebft v\u1ec1 c\u1ea5u tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a n\u00f3, \u0111\u01b0\u1ee3c bao quanh b\u1edfi t\u1ea5t c\u1ea3 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng t\u01b0\u01a1ng t\u00e1c trong m\u00f4i tr\u01b0\u1eddng.<\/p>\n<h4 class=\"graf graf--h4 graf-after--p\" id=\"787f\">Ph\u00e2n r\u00e3 t\u1eeb tr\u00ean xu\u1ed1ng l\u00e0 g\u00ec?<\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"8d22\">Trong thi\u1ebft k\u1ebf t\u1eeb tr\u00ean xu\u1ed1ng, t\u1ed5ng quan v\u1ec1 h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf, ch\u1ec9 \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng chi ti\u1ebft b\u1ea5t k\u1ef3 c\u1ea5p \u0111\u1ed9 n\u00e0o c\u1ee7a c\u00e1c ti\u1ec3u h\u1ec7 th\u1ed1ng. Sau \u0111\u00f3, m\u1ed7i ti\u1ec3u h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c tinh ch\u1ec9nh chi ti\u1ebft h\u01a1n, v\u00ed d\u1ee5, \u0111\u00f4i khi \u0111\u01b0\u1ee3c chia th\u00e0nh nhi\u1ec1u c\u1ea5p \u0111\u1ed9 ti\u1ec3u h\u1ec7 th\u1ed1ng kh\u00e1c nhau, nh\u1eb1m ph\u00e2n r\u00e3 to\u00e0n b\u1ed9 \u0111\u1eb7c t\u1ea3 th\u00e0nh c\u00e1c y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"066a\">M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a thi\u1ebft k\u1ebf t\u1eeb tr\u00ean xu\u1ed1ng l\u00e0 ph\u00e2n r\u00e3 m\u1ed9t h\u1ec7 th\u1ed1ng th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf h\u01a1n \u0111\u1ec3 hi\u1ec3u c\u00e1c ti\u1ec3u h\u1ec7 th\u1ed1ng c\u1ee7a n\u00f3. Khi c\u00e1c y\u1ebfu t\u1ed1 c\u01a1 b\u1ea3n n\u00e0y \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh, ch\u00fang c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng th\u00e0nh c\u00e1c m\u00f4-\u0111un m\u00e1y t\u00ednh. Khi c\u00e1c m\u00f4-\u0111un \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng gh\u00e9p ch\u00fang l\u1ea1i v\u1edbi nhau v\u00e0 x\u00e2y d\u1ef1ng to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng t\u1eeb nh\u1eefng y\u1ebfu t\u1ed1 ri\u00eang l\u1ebb n\u00e0y.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"f120\">S\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh c\u1ea5p cao nh\u1ea5t<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"9343\">S\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh cung c\u1ea5p m\u1ed9t c\u00e1i nh\u00ecn t\u1ed5ng quan v\u00e0 l\u00e0 c\u1ea5p \u0111\u1ed9 cao nh\u1ea5t trong s\u01a1 \u0111\u1ed3 lu\u1ed3ng d\u1eef li\u1ec7u, ch\u1ec9 ch\u1ee9a m\u1ed9t quy tr\u00ecnh \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng. N\u00f3 n\u00ean \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c quy tr\u00ecnh ch\u00ednh \u0111\u1ec3 cung c\u1ea5p chi ti\u1ebft h\u01a1n v\u00e0 m\u1ed7i quy tr\u00ecnh ch\u00ednh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00eam \u0111\u1ec3 cung c\u1ea5p th\u00eam chi ti\u1ebft.<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"31a6\">T\u1ea5t c\u1ea3 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh c\u0169ng nh\u01b0 lu\u1ed3ng d\u1eef li\u1ec7u ch\u00ednh \u0111\u1ebfn v\u00e0 t\u1eeb ch\u00fang.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"2823\">S\u01a1 \u0111\u1ed3 kh\u00f4ng ch\u1ee9a b\u1ea5t k\u1ef3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u n\u00e0o.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"06ed\">Quy tr\u00ecnh duy nh\u1ea5t trong s\u01a1 \u0111\u1ed3 c\u1ea5p ng\u1eef c\u1ea3nh, \u0111\u1ea1i di\u1ec7n cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng \u0111\u1ec3 bao g\u1ed3m c\u00e1c quy tr\u00ecnh ch\u00ednh c\u1ee7a h\u1ec7 th\u1ed1ng trong s\u01a1 \u0111\u1ed3 c\u1ea5p \u0111\u1ed9 ti\u1ebfp theo, \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 s\u01a1 \u0111\u1ed3 0.<\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"ae36\"><img class=\"graf-image\" data-height=\"245\" data-image-id=\"0*UUy6B-hUvPU0IwS5.png\" data-width=\"478\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0UUy6B-hUvPU0IwS5.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"f581\">DFD c\u1ea5p \u0111\u1ed9 1<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"1211\">C\u00e1c quy tr\u00ecnh trong s\u01a1 \u0111\u1ed3 0 (v\u1edbi s\u1ed1 nguy\u00ean) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng th\u00eam \u0111\u1ec3 \u0111\u1ea1i di\u1ec7n cho c\u00e1c chi ti\u1ebft c\u1ee7a c\u00e1c ho\u1ea1t \u0111\u1ed9ng x\u1eed l\u00fd. V\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y cho th\u1ea5y c\u1ea5p \u0111\u1ed9 ti\u1ebfp theo ((S\u01a1 \u0111\u1ed3 1) c\u1ee7a s\u1ef1 m\u1edf r\u1ed9ng quy tr\u00ecnh.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"de98\">L\u01b0u \u00fd r\u1eb1ng:<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"29f2\">M\u1eb7c d\u00f9 DFD c\u1ea5p \u0111\u1ed9 1 sau \u0111\u00e2y ch\u1ec9 c\u00f3 ba quy tr\u00ecnh, nh\u01b0ng c\u00f3 kh\u00e1 nhi\u1ec1u \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra t\u1eeb c\u00e1c quy tr\u00ecnh \u0111\u1ebfn c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i v\u00e0 \u0111i\u1ec1u \u0111\u00f3 c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ed9t v\u00e0i \u0111\u01b0\u1eddng ch\u00e9o gi\u1eefa ch\u00fang trong s\u01a1 \u0111\u1ed3; \u0111\u1ec3 tr\u00e1nh v\u1ea5n \u0111\u1ec1 n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng (ch\u1ebf \u0111\u1ed9 ch\u00ednh v\u00e0 ph\u1ee5) nhi\u1ec1u ch\u1ebf \u0111\u1ed9 xem c\u1ee7a c\u00f9ng m\u1ed9t th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i trong DFD.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"43eb\"><img class=\"graf-image\" data-height=\"655\" data-image-id=\"0*T29bIDs3UALgHp9a.png\" data-width=\"715\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0T29bIDs3UALgHp9a.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"3db1\">DFD c\u1ea5p \u0111\u1ed9 2<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"8e78\">N\u1ebfu m\u1ed9t quy tr\u00ecnh c\u00f3 nhi\u1ec1u lu\u1ed3ng d\u1eef li\u1ec7u li\u00ean k\u1ebft gi\u1eefa m\u1ed9t v\u00e0i th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i, ch\u00fang ta c\u00f3 th\u1ec3 tr\u01b0\u1edbc ti\u00ean tr\u00edch xu\u1ea5t quy tr\u00ecnh c\u1ee5 th\u1ec3 \u0111\u00f3 v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i li\u00ean quan v\u00e0o m\u1ed9t s\u01a1 \u0111\u1ed3 ri\u00eang bi\u1ec7t t\u01b0\u01a1ng t\u1ef1 nh\u01b0 s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh, tr\u01b0\u1edbc khi b\u1ea1n tinh ch\u1ec9nh quy tr\u00ecnh th\u00e0nh m\u1ed9t c\u1ea5p \u0111\u1ed9 DFD ri\u00eang bi\u1ec7t; v\u00e0 b\u1eb1ng c\u00e1ch n\u00e0y b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa ch\u00fang d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"262c\"><img class=\"graf-image\" data-height=\"690\" data-image-id=\"0*LKmM5RYhHrpTrGLt.png\" data-width=\"794\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0LKmM5RYhHrpTrGLt.png\"\/><\/figure>\n<h4 class=\"graf graf--h4 graf-after--figure\" id=\"d3e4\">T\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a m\u00f4 h\u00ecnh DFD gi\u1eefa c\u00e1c c\u1ea5p \u0111\u1ed9<\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"a62a\">Khi th\u1ef1c hi\u1ec7n ph\u00e2n r\u00e3 t\u1eeb tr\u00ean xu\u1ed1ng m\u1ed9t DFD xu\u1ed1ng c\u00e1c DFD c\u1ea5p th\u1ea5p h\u01a1n, c\u00e1c \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra ph\u1ea3i \u0111\u01b0\u1ee3c b\u1ea3o t\u1ed3n gi\u1eefa c\u00e1c c\u1ea5p \u0111\u1ed9 c\u1ee7a DFD. V\u00ed d\u1ee5, c\u1ea5p \u0111\u1ed9 n &amp; n+1 ph\u1ea3i c\u00f3 c\u00f9ng \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra.<\/p>\n<figure class=\"graf graf--figure graf-after--p graf--trailing\" id=\"4af0\"><img class=\"graf-image\" data-height=\"660\" data-image-id=\"0*okOL184fBcmESu1r.png\" data-width=\"949\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0okOL184fBcmESu1r.png\"\/><\/figure>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"section section--body\">\n<div class=\"section-divider\">\n<hr class=\"section-divider\"\/>\n<\/div>\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<h4 class=\"graf graf--h4 graf--leading\" id=\"cb88\">T\u00ecm hi\u1ec3u th\u00eam qua c\u00e1c v\u00ed d\u1ee5<\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"ef99\">C\u1ea7n m\u1ed9t ch\u00fat c\u1ea3m h\u1ee9ng? D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 v\u00ed d\u1ee5 v\u1ec1 S\u01a1 \u0111\u1ed3 Lu\u1ed3ng D\u1eef li\u1ec7u \u0111\u1ec3 gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"175b\"><a class=\"markup--anchor markup--p-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/dfd-maker\/\" href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/dfd-maker\/\" rel=\"noopener\" target=\"_blank\">Nh\u1ea5p v\u00e0o m\u1ed9t s\u01a1 \u0111\u1ed3<\/a>\u00a0\u0111\u1ec3 xem n\u00f3, ho\u1eb7c nh\u1ea5p v\u00e0o n\u00fat ch\u1ec9nh s\u1eeda \u0111\u1ec3 b\u1eaft \u0111\u1ea7u ch\u1ec9nh s\u1eeda.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"f439\">(*\u0110\u01b0\u1ee3c cung c\u1ea5p b\u1edfi\u00a0<a class=\"markup--anchor markup--p-anchor\" data-href=\"http:\/\/online.visual-paradigm.com\" href=\"http:\/\/online.visual-paradigm.com\" rel=\"noopener\" target=\"_blank\">Visual Paradigm Online<\/a>)<\/p>\n<figure class=\"graf graf--figure graf-after--p\" id=\"fde5\"><img class=\"graf-image\" data-height=\"604\" data-image-id=\"0*mQt3XCwqFUuUiyXo.png\" data-width=\"725\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0mQt3XCwqFUuUiyXo.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"b757\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/3c259936-5176-4c9d-baf2-59cfb3854d4c.xml&amp;name=ATM%20System%20-%20Context%20Model\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/3c259936-5176-4c9d-baf2-59cfb3854d4c.xml&amp;name=ATM%20System%20-%20Context%20Model\" rel=\"noopener\" target=\"_blank\">H\u1ec7 th\u1ed1ng ATM\u200a\u2014\u200aM\u00f4 h\u00ecnh Ng\u1eef c\u1ea3nh<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"ca85\"><img class=\"graf-image\" data-height=\"453\" data-image-id=\"0*MSTVHV2eKOZuwb-2.png\" data-width=\"664\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0MSTVHV2eKOZuwb-2.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"61b5\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/6b20da6b-c7ad-4af6-8438-afd909b6d156.xml&amp;name=Sales%20Order%20System\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/6b20da6b-c7ad-4af6-8438-afd909b6d156.xml&amp;name=Sales%20Order%20System\" rel=\"noopener\" target=\"_blank\">H\u1ec7 th\u1ed1ng \u0110\u1eb7t h\u00e0ng B\u00e1n<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"b678\"><img class=\"graf-image\" data-height=\"706\" data-image-id=\"0*lwRLODbP-SSsFNs_.png\" data-width=\"825\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0lwRLODbP-SSsFNs.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"2939\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/a71bc1a8-eba4-431a-b3bc-b45aaabf1612.xml&amp;name=Ordering%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/a71bc1a8-eba4-431a-b3bc-b45aaabf1612.xml&amp;name=Ordering%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng \u0110\u1eb7t h\u00e0ng<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"2cc1\"><img class=\"graf-image\" data-height=\"638\" data-image-id=\"0*0Hi2dnyOsfjyfoFP.png\" data-width=\"795\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/00Hi2dnyOsfjyfoFP.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"5f21\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/02af9c12-b2b9-40f2-b1ea-19015ec730da.xml&amp;name=Books%20Rental%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/02af9c12-b2b9-40f2-b1ea-19015ec730da.xml&amp;name=Books%20Rental%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng Cho thu\u00ea S\u00e1ch<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"9cf1\"><img class=\"graf-image\" data-height=\"710\" data-image-id=\"0*Sn5wqDhNGw9KUSIB.png\" data-width=\"899\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0Sn5wqDhNGw9KUSIB.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"86c4\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/1ae8f4ac-cbd5-4c57-8e94-f2d70a57925d.xml&amp;name=Chemical%20Tracking%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/1ae8f4ac-cbd5-4c57-8e94-f2d70a57925d.xml&amp;name=Chemical%20Tracking%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng Theo d\u00f5i H\u00f3a ch\u1ea5t<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"3c0c\"><img class=\"graf-image\" data-height=\"604\" data-image-id=\"0*GIuPIkSiGoSaxav8.png\" data-width=\"955\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0GIuPIkSiGoSaxav8.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"a049\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/acd02024-ac0c-4a6b-a049-670cf7c11a9c.xml&amp;name=Profiling%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/acd02024-ac0c-4a6b-a049-670cf7c11a9c.xml&amp;name=Profiling%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng H\u1ed3 s\u01a1<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"7e9c\"><img class=\"graf-image\" data-height=\"702\" data-image-id=\"0*ocj47dJjzb9lNmHO.png\" data-width=\"1000\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0ocj47dJjzb9lNmHO.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"8d6a\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/19cdbd61-08d7-48c9-be99-b1f323766cd7.xml&amp;name=Online%20Community%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/19cdbd61-08d7-48c9-be99-b1f323766cd7.xml&amp;name=Online%20Community%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng C\u1ed9ng \u0111\u1ed3ng Tr\u1ef1c tuy\u1ebfn<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"5a80\"><img class=\"graf-image\" data-height=\"707\" data-image-id=\"0*7qExNggNX-tqsDpM.png\" data-width=\"937\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/07qExNggNX-tqsDpM.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"64e9\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/0fbae7cf-d582-4f2b-9206-272b4b4014ca.xml&amp;name=Online%20Shopping%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/0fbae7cf-d582-4f2b-9206-272b4b4014ca.xml&amp;name=Online%20Shopping%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng Mua s\u1eafm Tr\u1ef1c tuy\u1ebfn<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"45ad\"><img class=\"graf-image\" data-height=\"580\" data-image-id=\"0*_rX3CkaNVZFSB6d3.png\" data-width=\"750\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0_rX3CkaNVZFSB6d3.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"f2d4\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/34b14c69-a7c0-4081-aa4d-b8428c225539.xml&amp;name=Booking%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/34b14c69-a7c0-4081-aa4d-b8428c225539.xml&amp;name=Booking%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng \u0110\u1eb7t ch\u1ed7<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"4635\"><img class=\"graf-image\" data-height=\"490\" data-image-id=\"0*z5kh47gwsGtsv6C1.png\" data-width=\"785\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0z5kh47gwsGtsv6C1.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"f79f\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/d98de5da-e6fd-4049-ae8f-53bdd95233c0.xml&amp;name=Restaurant%20System%20Context%20Diagram\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/d98de5da-e6fd-4049-ae8f-53bdd95233c0.xml&amp;name=Restaurant%20System%20Context%20Diagram\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng Nh\u00e0 h\u00e0ng<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"14ff\"><img class=\"graf-image\" data-height=\"758\" data-image-id=\"0*7yRkbSfBw7VXqJVL.png\" data-width=\"1022\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/07yRkbSfBw7VXqJVL.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"d72f\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/0997d2b1-8dfd-493e-bb88-ef31a42bc3da.xml&amp;name=Banking%20System%20Context%20Diagram%20\" href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=SystemContextDiagram&amp;gallery=\/repository\/0997d2b1-8dfd-493e-bb88-ef31a42bc3da.xml&amp;name=Banking%20System%20Context%20Diagram%20\" rel=\"noopener\" target=\"_blank\">S\u01a1 \u0111\u1ed3 Ng\u1eef c\u1ea3nh H\u1ec7 th\u1ed1ng Ng\u00e2n h\u00e0ng<\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li graf--trailing\" id=\"70fc\"><img class=\"graf-image\" data-height=\"670\" data-image-id=\"0*ld34IXYpIeE4SaNH.png\" data-width=\"571\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0ld34IXYpIeE4SaNH.png\"\/><\/figure>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"section section--body section--last\">\n<div class=\"section-divider\">\n<hr class=\"section-divider\"\/>\n<\/div>\n<div class=\"section-content\">\n<div class=\"section-inner sectionLayout--insetColumn\">\n<h4 class=\"graf graf--h4 graf--leading\" id=\"ef93\">M\u1eabu DFD Tr\u1ef1c tuy\u1ebfn (* \u0110\u01b0\u1ee3c cung c\u1ea5p b\u1edfi\u00a0<a class=\"markup--anchor markup--h4-anchor\" data-href=\"https:\/\/www.visual-paradigm.com\/solution\/drawdfd\/\" href=\"https:\/\/www.visual-paradigm.com\/solution\/drawdfd\/\" rel=\"noopener\" target=\"_blank\">Visual Paradigm\u00a0Online<\/a><\/h4>\n<figure class=\"graf graf--figure graf-after--h4\" id=\"9c5f\"><img class=\"graf-image\" data-height=\"469\" data-image-id=\"0*nYMR_zGCKmt998tS.png\" data-width=\"653\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0nYMR_zGCKmt998tS.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"9bce\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/8c2c19d0-cd9d-4e04-8192-ff0a8c6bea8c.xml&amp;name=Securities%20Trading%20Platform\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/8c2c19d0-cd9d-4e04-8192-ff0a8c6bea8c.xml&amp;name=Securities%20Trading%20Platform\" rel=\"noopener\" target=\"_blank\"><strong class=\"markup--strong markup--li-strong\">N\u1ec1n t\u1ea3ng Giao d\u1ecbch Ch\u1ee9ng kho\u00e1n<\/strong><\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"b1ad\"><img class=\"graf-image\" data-height=\"422\" data-image-id=\"0*mo0lDR6HBpSijBau.png\" data-width=\"605\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0mo0lDR6HBpSijBau.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"28a7\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/2e409d26-3345-4516-acde-c36b59fa3e0b.xml&amp;name=Food%20Ordering%20System\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/2e409d26-3345-4516-acde-c36b59fa3e0b.xml&amp;name=Food%20Ordering%20System\" rel=\"noopener\" target=\"_blank\"><strong class=\"markup--strong markup--li-strong\">H\u1ec7 th\u1ed1ng \u0110\u1eb7t m\u00f3n \u0103n<\/strong><\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"f0fe\"><img class=\"graf-image\" data-height=\"529\" data-image-id=\"0*JckWOYJcnxlete2P.png\" data-width=\"757\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0JckWOYJcnxlete2P.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"c997\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/6963afef-4946-42f3-9117-f089fa70cfc1.xml&amp;name=Customer%20Service%20System%20(Railway%20Company)\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/6963afef-4946-42f3-9117-f089fa70cfc1.xml&amp;name=Customer%20Service%20System%20%28Railway%20Company%29\" rel=\"noopener\" target=\"_blank\"><strong class=\"markup--strong markup--li-strong\">H\u1ec7 th\u1ed1ng D\u1ecbch v\u1ee5 Kh\u00e1ch h\u00e0ng (C\u00f4ng ty \u0110\u01b0\u1eddng s\u1eaft)<\/strong><\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"b898\"><img class=\"graf-image\" data-height=\"560\" data-image-id=\"0*52UHjctJ6HMkfSDe.png\" data-width=\"716\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/052UHjctJ6HMkfSDe.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure\" id=\"ec8b\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/0640ff0f-f7f8-4327-a735-94b451a6fd88.xml&amp;name=Supermarket%20App\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/0640ff0f-f7f8-4327-a735-94b451a6fd88.xml&amp;name=Supermarket%20App\" rel=\"noopener\" target=\"_blank\"><strong class=\"markup--strong markup--li-strong\">\u1ee8ng d\u1ee5ng Si\u00eau th\u1ecb<\/strong><\/a><\/li>\n<\/ul>\n<figure class=\"graf graf--figure graf-after--li\" id=\"62f6\"><img class=\"graf-image\" data-height=\"369\" data-image-id=\"0*fIbs6BILiTtatqa-.png\" data-width=\"637\" decoding=\"async\" src=\"https:\/\/www.cybermedian.com\/vn\/wp-content\/uploads\/sites\/14\/2022\/01\/0fIbs6BILiTtatqa.png\"\/><\/figure>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--figure graf--trailing\" id=\"662f\"><a class=\"markup--anchor markup--li-anchor\" data-href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/3f0b7361-8afd-463e-b1e2-e5a54d5207b3.xml&amp;name=Vehicle%20Maintenance%20Depot\" href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=DataFlowDiagram&amp;gallery=\/repository\/3f0b7361-8afd-463e-b1e2-e5a54d5207b3.xml&amp;name=Vehicle%20Maintenance%20Depot\" rel=\"noopener\" target=\"_blank\"><strong class=\"markup--strong markup--li-strong\">Kho B\u1ea3o tr\u00ec Ph\u01b0\u01a1ng ti\u1ec7n<\/strong><\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>The context diagram shows the system considered as a single high-level process, and then shows the relationship of the system to other external entities (systems, organizational groups, external data stores, and so on). Another name for a context diagram is a context-level data flow graph or 0-level DFD. <\/p>\n","protected":false},"author":1,"featured_media":834,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","footnotes":""},"categories":[13,5],"tags":[52,63,62,53],"class_list":["post-619","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagrams","category-software-engineering","tag-cn-done","tag-es-done","tag-ja-done","tag-tw-done"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>M\u1ed1i quan h\u1ec7 gi\u1eefa s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng v\u00e0 DFD l\u00e0 g\u00ec? - Cybermedian<\/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:\/\/www.cybermedian.com\/vn\/what-is-the-relationship-between-system-context-diagram-and-dfd\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u1ed1i quan h\u1ec7 gi\u1eefa s\u01a1 \u0111\u1ed3 ng\u1eef c\u1ea3nh h\u1ec7 th\u1ed1ng v\u00e0 DFD l\u00e0 g\u00ec? - Cybermedian\" \/>\n<meta property=\"og:description\" content=\"The context diagram shows the system considered as a single high-level process, and then shows the relationship of the system to other external entities (systems, organizational groups, external data stores, and so on). 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