{"id":619,"date":"2022-01-26T01:52:47","date_gmt":"2022-01-26T01:52:47","guid":{"rendered":"https:\/\/www.cybermedian.com\/pl\/?p=619"},"modified":"2025-02-14T13:21:28","modified_gmt":"2025-02-14T05:21:28","slug":"what-is-the-relationship-between-system-context-diagram-and-dfd","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/pl\/what-is-the-relationship-between-system-context-diagram-and-dfd\/","title":{"rendered":"Jaki jest zwi\u0105zek mi\u0119dzy diagramem kontekstu systemu a DFD?"},"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\">\u00a0<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\">diagram kontekstu systemu<\/a>\u00a0(znany r\u00f3wnie\u017c jako poziom 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>) jest najwy\u017cszym poziomem w diagramie przep\u0142ywu danych i zawiera tylko jeden proces reprezentuj\u0105cy ca\u0142y system, kt\u00f3ry ustala kontekst i granice systemu do modelowania. Identyfikuje przep\u0142yw informacji mi\u0119dzy systemem a podmiotami zewn\u0119trznymi, czyli aktorami.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"d9bb\">Diagramy kontekstu s\u0105 zazwyczaj zawarte w dokumentach wymaga\u0144. Musz\u0105 by\u0107 czytane przez wszystkich interesariuszy i dlatego powinny by\u0107 napisane prostym j\u0119zykiem, aby interesariusze mogli zrozumie\u0107 projekt.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"ae15\">Oto przyk\u0142ad diagramu kontekstu dla systemu zam\u00f3wie\u0144 sprzeda\u017cy:<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Edytuj ten diagram<\/a><\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"03ad\">Celem diagramu kontekstu systemu<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"065e\">Celem diagramu kontekstu systemu jest skupienie uwagi na czynnikach zewn\u0119trznych i zdarzeniach, kt\u00f3re powinny by\u0107 brane pod uwag\u0119 przy opracowywaniu zestawu wymaga\u0144 i ogranicze\u0144 systemu. Mapy kontekstu systemu s\u0105 cz\u0119sto u\u017cywane na wczesnym etapie projektu, aby okre\u015bli\u0107 zakres badania.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"4acb\">Diagram kontekstu systemu reprezentuje wszystkie podmioty zewn\u0119trzne, kt\u00f3re mog\u0105 wchodzi\u0107 w interakcje z systemem. Ca\u0142y system oprogramowania wygl\u0105da jak jeden proces. Taki diagram przedstawia system w centrum, bez szczeg\u00f3\u0142\u00f3w jego wewn\u0119trznej struktury, otoczony przez wszystkie podmioty zewn\u0119trzne i interaktywne systemy w otoczeniu.<\/p>\n<h4 class=\"graf graf--h4 graf-after--p\" id=\"787f\">Czym jest dekompozycja od g\u00f3ry do do\u0142u?<\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"8d22\">W projektowaniu od g\u00f3ry do do\u0142u projektuje si\u0119 przegl\u0105d systemu, okre\u015blaj\u0105c, ale nie szczeg\u00f3\u0142uj\u0105c \u017cadnego poziomu podsystemu. Nast\u0119pnie ka\u017cdy podsystem jest doprecyzowywany w wi\u0119kszych szczeg\u00f3\u0142ach, na przyk\u0142ad czasami dzielony na wiele r\u00f3\u017cnych poziom\u00f3w podsystem\u00f3w, aby roz\u0142o\u017cy\u0107 ca\u0142\u0105 specyfikacj\u0119 na podstawowe elementy.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"066a\">G\u0142\u00f3wnym celem projektowania od g\u00f3ry do do\u0142u jest roz\u0142o\u017cenie systemu na mniejsze cz\u0119\u015bci, aby zrozumie\u0107 jego podsystemy. Gdy te podstawowe elementy zostan\u0105 zidentyfikowane, mo\u017cna je \u0142atwiej zbudowa\u0107 w modu\u0142y komputerowe. Gdy modu\u0142y s\u0105 zbudowane, mo\u017cna je \u0142atwo po\u0142\u0105czy\u0107 i zbudowa\u0107 ca\u0142y system z tych poszczeg\u00f3lnych element\u00f3w.<\/p>\n<h3 class=\"graf graf--h3 graf-after--p\" id=\"f120\">Diagram kontekstu na najwy\u017cszym poziomie<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"9343\">Diagram kontekstu daje przegl\u0105d i jest najwy\u017cszym poziomem w diagramie przep\u0142ywu danych, zawieraj\u0105cym tylko jeden proces reprezentuj\u0105cy ca\u0142y system. Powinien by\u0107 podzielony na g\u0142\u00f3wne procesy, kt\u00f3re daj\u0105 wi\u0119ksze szczeg\u00f3\u0142y, a ka\u017cdy g\u0142\u00f3wny proces mo\u017ce by\u0107 dalej podzielony, aby da\u0107 wi\u0119cej szczeg\u00f3\u0142\u00f3w.<\/p>\n<ul class=\"postList\">\n<li class=\"graf graf--li graf-after--p\" id=\"31a6\">Wszystkie podmioty zewn\u0119trzne s\u0105 pokazane na diagramie kontekstu, a tak\u017ce g\u0142\u00f3wny przep\u0142yw danych do i z nich.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"2823\">Diagram nie zawiera \u017cadnego przechowywania danych.<\/li>\n<li class=\"graf graf--li graf-after--li\" id=\"06ed\">Pojedynczy proces w diagramie na poziomie kontekstu, reprezentuj\u0105cy ca\u0142y system, mo\u017ce by\u0107 rozwini\u0119ty, aby uwzgl\u0119dni\u0107 g\u0142\u00f3wne procesy systemu w diagramie nast\u0119pnego poziomu, kt\u00f3ry nazywany jest diagramem 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\/pl\/wp-content\/uploads\/sites\/16\/2022\/01\/0UUy6B-hUvPU0IwS5.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"f581\">Poziom 1 DFD<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"1211\">Procesy w diagramie 0 (z liczb\u0105 ca\u0142kowit\u0105) mog\u0105 by\u0107 dalej rozwijane, aby przedstawi\u0107 szczeg\u00f3\u0142y dzia\u0142a\u0144 przetwarzania. Przyk\u0142ad poni\u017cej pokazuje nast\u0119pny poziom ((Diagram 1) eksplozji procesu.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"de98\">Zauwa\u017c, \u017ce:<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"29f2\">Chocia\u017c poni\u017cszy poziom 1 DFD ma tylko trzy procesy, istnieje do\u015b\u0107 du\u017co wej\u015b\u0107 i wyj\u015b\u0107 z proces\u00f3w do podmiot\u00f3w zewn\u0119trznych, co mo\u017ce prowadzi\u0107 do kilku krzy\u017cuj\u0105cych si\u0119 linii w diagramie; aby unikn\u0105\u0107 tego problemu, mogliby\u015bmy u\u017cy\u0107 (widok g\u0142\u00f3wny i pomocniczy) wielu widok\u00f3w tego samego podmiotu zewn\u0119trznego w 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\/pl\/wp-content\/uploads\/sites\/16\/2022\/01\/0T29bIDs3UALgHp9a.png\"\/><\/figure>\n<h3 class=\"graf graf--h3 graf-after--figure\" id=\"3db1\">Poziom 2 DFD<\/h3>\n<p class=\"graf graf--p graf-after--h3\" id=\"8e78\">Je\u015bli proces ma du\u017co przep\u0142ywu danych \u0142\u0105cz\u0105cego kilka podmiot\u00f3w zewn\u0119trznych, mogliby\u015bmy najpierw wydoby\u0107 ten konkretny proces i zwi\u0105zane z nim podmioty zewn\u0119trzne do osobnego diagramu podobnego do diagramu kontekstu, zanim doprecyzujesz proces do osobnego poziomu DFD; w ten spos\u00f3b mo\u017cesz zapewni\u0107 \u0142atwiejsz\u0105 sp\u00f3jno\u015b\u0107 mi\u0119dzy nimi.<\/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\/pl\/wp-content\/uploads\/sites\/16\/2022\/01\/0LKmM5RYhHrpTrGLt.png\"\/><\/figure>\n<h4 class=\"graf graf--h4 graf-after--figure\" id=\"d3e4\">Sp\u00f3jno\u015b\u0107 modelu DFD mi\u0119dzy poziomami<\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"a62a\">Podczas przeprowadzania dekompozycji od g\u00f3ry do do\u0142u do DFD na ni\u017csze poziomy DFD, wej\u015bcia i wyj\u015bcia musz\u0105 by\u0107 zachowane mi\u0119dzy poziomami DFD. Na przyk\u0142ad poziom n i n+1 musz\u0105 mie\u0107 te same wej\u015bcia i wyj\u015bcia.<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Dowiedz si\u0119 wi\u0119cej na podstawie przyk\u0142ad\u00f3w<\/h4>\n<p class=\"graf graf--p graf-after--h4\" id=\"ef99\">Potrzebujesz inspiracji? Oto kilka przyk\u0142ad\u00f3w diagram\u00f3w przep\u0142ywu danych, kt\u00f3re pomog\u0105 Ci zacz\u0105\u0107.<\/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\">Kliknij na diagram<\/a>\u00a0aby go zobaczy\u0107, lub kliknij przycisk edytuj, aby rozpocz\u0105\u0107 edytowanie.<\/p>\n<p class=\"graf graf--p graf-after--p\" id=\"f439\">(*Zasilane przez\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\/pl\/wp-content\/uploads\/sites\/16\/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\">System ATM\u200a\u2014\u200aModel kontekstu<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">System zam\u00f3wie\u0144 sprzeda\u017cy<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu zam\u00f3wie\u0144<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu wynajmu ksi\u0105\u017cek<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu \u015bledzenia chemikali\u00f3w<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu profilowania<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu spo\u0142eczno\u015bci online<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu zakup\u00f3w online<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu rezerwacji<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu restauracji<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Diagram kontekstu systemu bankowego<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Szablony DFD online (* Zasilane przez\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\/pl\/wp-content\/uploads\/sites\/16\/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\">Platforma handlu papierami warto\u015bciowymi<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">System Zamawiania Jedzenia<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">System Obs\u0142ugi Klienta (Firma Kolejowa)<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Aplikacja Supermarketowa<\/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\/pl\/wp-content\/uploads\/sites\/16\/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\">Warsztat Utrzymania Pojazd\u00f3w<\/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>Jaki jest zwi\u0105zek mi\u0119dzy diagramem kontekstu systemu a DFD? - Cybermediana<\/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\/pl\/what-is-the-relationship-between-system-context-diagram-and-dfd\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jaki jest zwi\u0105zek mi\u0119dzy diagramem kontekstu systemu a DFD? - Cybermediana\" \/>\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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