{"id":476842,"date":"2023-08-09T09:04:34","date_gmt":"2023-08-09T09:04:34","guid":{"rendered":""},"modified":"2023-09-05T11:13:34","modified_gmt":"2023-09-05T11:13:34","slug":"direct-memory-access","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/ar\/wiki\/direct-memory-access\/","title":{"rendered":"\u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0644\u0644\u0630\u0627\u0643\u0631\u0629"},"content":{"rendered":"<h2>\u0645\u0642\u062f\u0645\u0629<\/h2>\n<p>\u064a\u0639\u062f \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0644\u0644\u0630\u0627\u0643\u0631\u0629 (DMA) \u062a\u0642\u0646\u064a\u0629 \u062d\u064a\u0648\u064a\u0629 \u0641\u064a \u0645\u062c\u0627\u0644 \u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0643\u0645\u0628\u064a\u0648\u062a\u0631\u060c \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0628\u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a 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\u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0646 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 (CPU)\u060c \u064a\u0642\u0648\u0645 DMA \u0628\u062a\u062d\u0631\u064a\u0631 \u0645\u0648\u0627\u0631\u062f \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0642\u064a\u0645\u0629\u060c \u0645\u0645\u0627 \u064a\u062a\u064a\u062d \u0644\u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 (CPU) \u0627\u0644\u062a\u0631\u0643\u064a\u0632 \u0639\u0644\u0649 \u0627\u0644\u0645\u0647\u0627\u0645 \u0627\u0644\u0623\u0643\u062b\u0631 \u0623\u0647\u0645\u064a\u0629.<\/li>\n<li><strong>\u0646\u0642\u0644 \u0623\u0633\u0631\u0639 \u0644\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/strong>: \u064a\u0642\u0648\u0645 DMA \u0628\u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u064a\u0646 \u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0648\u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0628\u0633\u0631\u0639\u0627\u062a \u0623\u0639\u0644\u0649 \u0645\u0646 \u0637\u0631\u0642 \u0627\u0644\u0625\u062f\u062e\u0627\u0644 \/ \u0627\u0644\u0625\u062e\u0631\u0627\u062c \u0627\u0644\u0645\u0628\u0631\u0645\u062c\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0629.<\/li>\n<li><strong>\u0639\u0645\u0644\u064a\u0629 \u063a\u064a\u0631 \u0645\u062a\u0632\u0627\u0645\u0646\u0629<\/strong>: \u064a\u0639\u0645\u0644 DMA \u0628\u0634\u0643\u0644 \u0645\u0633\u062a\u0642\u0644 \u0639\u0646 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629\u060c \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0644\u0644\u0623\u062c\u0647\u0632\u0629 \u0628\u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0634\u0643\u0644 \u0645\u062a\u0632\u0627\u0645\u0646 \u0645\u0639 \u0639\u0645\u0644\u064a\u0627\u062a \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629.<\/li>\n<li><strong>\u062d\u0631\u0643\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0628\u0633\u0637\u0629<\/strong>: DMA \u064a\u0644\u063a\u064a \u0627\u0644\u062d\u0627\u062c\u0629 \u0625\u0644\u0649 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0624\u0642\u062a \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u0632\u0645\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0648\u064a\u062d\u0633\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0627\u0645 \u0644\u0644\u0646\u0638\u0627\u0645.<\/li>\n<\/ol>\n<h2>\u0623\u0646\u0648\u0627\u0639 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0644\u0644\u0630\u0627\u0643\u0631\u0629<\/h2>\n<p>\u064a\u0645\u0643\u0646 \u062a\u0635\u0646\u064a\u0641 DMA \u0625\u0644\u0649 \u062b\u0644\u0627\u062b\u0629 \u0623\u0646\u0648\u0627\u0639 \u0631\u0626\u064a\u0633\u064a\u0629 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0627\u062a\u062c\u0627\u0647 \u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u064a\u0643\u062a\u0628<\/th>\n<th>\u0648\u0635\u0641<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 (DMA) \u0648\u0627\u062d\u062f<\/strong><\/td>\n<td>\u064a\u062d\u062f\u062b \u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u064a\u0646 \u062c\u0647\u0627\u0632 \u0648\u0630\u0627\u0643\u0631\u0629 \u0645\u062d\u062f\u062f\u064a\u0646.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u062a\u0627\u0644\u064a DMA<\/strong><\/td>\n<td>\u0648\u062d\u062f\u0627\u062a \u062a\u062d\u0643\u0645 DMA \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629 \u0645\u062a\u0633\u0644\u0633\u0644\u0629\u060c \u0645\u0645\u0627 \u064a\u062a\u064a\u062d \u062a\u0633\u0644\u0633\u0644 \u0639\u0645\u0644\u064a\u0627\u062a \u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u064a\u0646 \u0627\u0644\u0623\u062c\u0647\u0632\u0629.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0644\u0644\u0633\u0648\u0642 (DMA) \u0627\u0644\u0645\u062a\u0639\u062f\u062f<\/strong><\/td>\n<td>\u0639\u0645\u0644\u064a\u0627\u062a \u0646\u0642\u0644 DMA \u0627\u0644\u0645\u062a\u0632\u0627\u0645\u0646\u0629 \u0628\u064a\u0646 \u0623\u062c\u0647\u0632\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0648\u0627\u0644\u0630\u0627\u0643\u0631\u0629.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0637\u0631\u0642 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0644\u0644\u0630\u0627\u0643\u0631\u0629 \u0648\u0627\u0644\u0645\u0634\u0643\u0644\u0627\u062a \u0648\u0627\u0644\u062d\u0644\u0648\u0644<\/h2>\n<h3>\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a \u0627\u0644\u0645\u0628\u0627\u0634\u0631 (DMA):<\/h3>\n<ul>\n<li><strong>\u0627\u0644\u0634\u0628\u0643\u0627\u062a<\/strong>: \u064a\u0639\u062f DMA \u0636\u0631\u0648\u0631\u064a\u064b\u0627 \u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0639\u0627\u0644\u064a\u0629 \u0627\u0644\u0633\u0631\u0639\u0629 \u0641\u064a \u0628\u0637\u0627\u0642\u0627\u062a \u0648\u0627\u062c\u0647\u0629 \u0627\u0644\u0634\u0628\u0643\u0629 (NIC)\u060c \u0645\u0645\u0627 \u064a\u0633\u0645\u062d \u0628\u0627\u0633\u062a\u0642\u0628\u0627\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0648\u0646\u0642\u0644\u0647\u0627 \u0628\u0643\u0641\u0627\u0621\u0629.<\/li>\n<li><strong>\u062a\u062e\u0632\u064a\u0646<\/strong>: \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 DMA \u0641\u064a \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u0645 \u0628\u0627\u0644\u0623\u0642\u0631\u0627\u0635 \u0644\u0642\u0631\u0627\u0621\u0629 \u0648\u0643\u062a\u0627\u0628\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0646 \u0623\u062c\u0647\u0632\u0629 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u062f\u0648\u0646 \u062a\u062f\u062e\u0644 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629.<\/li>\n<li><strong>\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0635\u0648\u062a\/\u0627\u0644\u0641\u064a\u062f\u064a\u0648<\/strong>: \u064a\u0633\u0647\u0644 DMA \u062a\u062f\u0641\u0642 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0641\u064a \u0627\u0644\u0648\u0642\u062a \u0627\u0644\u0641\u0639\u0644\u064a \u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a \u0627\u0644\u0648\u0633\u0627\u0626\u0637 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0645\u0646 \u062a\u0623\u062e\u064a\u0631 \u0627\u0644\u0635\u0648\u062a \u0648\u0627\u0644\u0641\u064a\u062f\u064a\u0648.<\/li>\n<\/ul>\n<h3>\u0627\u0644\u062a\u062d\u062f\u064a\u0627\u062a \u0648\u0627\u0644\u062d\u0644\u0648\u0644:<\/h3>\n<ul>\n<li><strong>\u062a\u0645\u0627\u0633\u0643 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/strong>: \u0642\u062f \u064a\u0643\u0648\u0646 \u0636\u0645\u0627\u0646 \u062a\u0646\u0627\u0633\u0642 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u064a\u0646 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 \u0648\u0627\u0644\u0623\u062c\u0647\u0632\u0629 \u0623\u062b\u0646\u0627\u0621 \u0639\u0645\u0644\u064a\u0627\u062a \u0646\u0642\u0644 DMA \u0623\u0645\u0631\u064b\u0627 \u0635\u0639\u0628\u064b\u0627. \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0642\u0646\u064a\u0627\u062a \u0625\u062f\u0627\u0631\u0629 \u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u062a\u062e\u0632\u064a\u0646 \u0627\u0644\u0645\u0624\u0642\u062a \u0648\u0622\u0644\u064a\u0627\u062a \u0627\u0644\u0645\u0632\u0627\u0645\u0646\u0629 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0647\u0630\u0647 \u0627\u0644\u0645\u0634\u0643\u0644\u0629.<\/li>\n<li><strong>\u062a\u0639\u0627\u0631\u0636\u0627\u062a DMA<\/strong>: \u0642\u062f \u062a\u0646\u0634\u0623 \u062a\u0639\u0627\u0631\u0636\u0627\u062a \u0639\u0646\u062f\u0645\u0627 \u062a\u062a\u0646\u0627\u0641\u0633 \u0623\u062c\u0647\u0632\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0639\u0644\u0649 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 DMA \u0641\u064a \u0648\u0642\u062a \u0648\u0627\u062d\u062f. \u0625\u0646 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0623\u0648\u0644\u0648\u064a\u0627\u062a \u0648\u0622\u0644\u064a\u0627\u062a \u0627\u0644\u062a\u062d\u0643\u064a\u0645 \u0627\u0644\u0645\u0646\u0627\u0633\u0628\u0629 \u0623\u0645\u0631 \u0636\u0631\u0648\u0631\u064a \u0644\u062a\u062c\u0646\u0628 \u0627\u0644\u062e\u0644\u0627\u0641.<\/li>\n<li><strong>\u0645\u062e\u0627\u0648\u0641 \u0623\u0645\u0646\u064a\u0629<\/strong>: \u0627\u0644\u0648\u0635\u0648\u0644 \u063a\u064a\u0631 \u0627\u0644\u0645\u0635\u0631\u062d \u0628\u0647 \u0625\u0644\u0649 DMA \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0624\u062f\u064a \u0625\u0644\u0649 \u0627\u0646\u062a\u0647\u0627\u0643\u0627\u062a \u0623\u0645\u0646\u064a\u0629. \u064a\u062c\u0628 \u0639\u0644\u0649 \u0645\u0635\u0645\u0645\u064a \u0627\u0644\u0646\u0638\u0627\u0645 \u062a\u0646\u0641\u064a\u0630 \u0622\u0644\u064a\u0627\u062a \u0642\u0648\u064a\u0629 \u0644\u0644\u062a\u062d\u0643\u0645 \u0641\u064a \u0627\u0644\u0648\u0635\u0648\u0644 \u0644\u0644\u062a\u062e\u0641\u064a\u0641 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0645\u062e\u0627\u0637\u0631.<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629 \u0648\u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0627\u062a<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0635\u0641\u0629 \u0645\u0645\u064a\u0632\u0629<\/th>\n<th>\u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 (DMA).<\/th>\n<th>\u0627\u0644\u0625\u062f\u062e\u0627\u0644\/\u0627\u0644\u0625\u062e\u0631\u0627\u062c \u0627\u0644\u0645\u0628\u0631\u0645\u062c<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0645\u0634\u0627\u0631\u0643\u0629 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629<\/strong><\/td>\n<td>\u0627\u0644\u062d\u062f \u0627\u0644\u0623\u062f\u0646\u0649\u060c \u0646\u0642\u0644 \u0645\u0633\u062a\u0642\u0644<\/td>\n<td>\u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 \u0643\u062b\u064a\u0641\u0629 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u060c \u0627\u0644\u0625\u062f\u062e\u0627\u0644\/\u0627\u0644\u0625\u062e\u0631\u0627\u062c \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0633\u0631\u0639\u0629<\/strong><\/td>\n<td>\u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0634\u0643\u0644 \u0623\u0633\u0631\u0639<\/td>\n<td>\u0623\u0628\u0637\u0623 \u0641\u064a \u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062a\u0643\u0627\u0644\u064a\u0641 \u063a\u064a\u0631 \u0645\u0628\u0627\u0634\u0631\u0629<\/strong><\/td>\n<td>\u0642\u0644\u064a\u0644<\/td>\n<td>\u0639\u0627\u0644\u064a<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0627\u062a\u062c\u0627\u0647 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/strong><\/td>\n<td>\u062b\u0646\u0627\u0626\u064a \u0627\u0644\u0627\u062a\u062c\u0627\u0647<\/td>\n<td>\u0623\u062d\u0627\u062f\u064a \u0627\u0644\u0627\u062a\u062c\u0627\u0647<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0648\u062c\u0647\u0627\u062a \u0627\u0644\u0646\u0638\u0631 \u0648\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0645\u0633\u062a\u0642\u0628\u0644<\/h2>\n<p>\u0645\u0633\u062a\u0642\u0628\u0644 DMA \u0648\u0627\u0639\u062f \u0645\u0639 \u0627\u0633\u062a\u0645\u0631\u0627\u0631 \u062a\u0637\u0648\u0631 \u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u062d\u0648\u0633\u0628\u0629. \u0628\u0639\u0636 \u0627\u0644\u062a\u0637\u0648\u0631\u0627\u062a \u0627\u0644\u0645\u062d\u062a\u0645\u0644\u0629 \u062a\u0634\u0645\u0644:<\/p>\n<ul>\n<li><strong>\u062a\u0639\u0632\u064a\u0632 \u0627\u0644\u0623\u062f\u0627\u0621<\/strong>: \u0633\u062a\u0624\u062f\u064a \u0627\u0644\u062a\u0637\u0648\u0631\u0627\u062a \u0641\u064a \u0648\u062d\u062f\u0627\u062a \u062a\u062d\u0643\u0645 DMA \u0648\u0628\u0646\u064a\u0627\u062a \u0627\u0644\u0646\u0627\u0642\u0644 \u0625\u0644\u0649 \u0645\u0639\u062f\u0644\u0627\u062a \u0646\u0642\u0644 \u0628\u064a\u0627\u0646\u0627\u062a \u0623\u0633\u0631\u0639\u060c \u0645\u0645\u0627 \u064a\u0642\u0644\u0644 \u0632\u0645\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0648\u064a\u062d\u0633\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0627\u0645 \u0644\u0644\u0646\u0638\u0627\u0645.<\/li>\n<li><strong>\u0643\u0641\u0627\u0621\u0629 \u0627\u0644\u0637\u0627\u0642\u0629<\/strong>: \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0633\u0627\u0647\u0645 DMA \u0641\u064a \u0627\u0644\u0623\u0646\u0638\u0645\u0629 \u0627\u0644\u0645\u0648\u0641\u0631\u0629 \u0644\u0644\u0637\u0627\u0642\u0629 \u0639\u0646 \u0637\u0631\u064a\u0642 \u062a\u0642\u0644\u064a\u0644 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0648\u062d\u062f\u0629 \u0627\u0644\u0645\u0639\u0627\u0644\u062c\u0629 \u0627\u0644\u0645\u0631\u0643\u0632\u064a\u0629 \u0648\u0627\u0633\u062a\u0647\u0644\u0627\u0643 \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0631\u062a\u0628\u0637 \u0628\u0647\u0627.<\/li>\n<li><strong>\u0627\u0644\u062a\u0643\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0646\u0627\u0634\u0626\u0629<\/strong>: \u0645\u0646 \u0627\u0644\u0645\u062d\u062a\u0645\u0644 \u0623\u0646 \u064a\u0644\u0639\u0628 DMA \u062f\u0648\u0631\u064b\u0627 \u062d\u0627\u0633\u0645\u064b\u0627 \u0641\u064a \u0627\u0644\u062a\u0642\u0646\u064a\u0627\u062a \u0627\u0644\u0646\u0627\u0634\u0626\u0629 \u0645\u062b\u0644 \u0625\u0646\u062a\u0631\u0646\u062a \u0627\u0644\u0623\u0634\u064a\u0627\u0621 (IoT) \u0648\u0627\u0644\u062d\u0648\u0633\u0628\u0629 \u0627\u0644\u0645\u062a\u0637\u0648\u0631\u0629\u060c \u0645\u0645\u0627 \u064a\u062a\u064a\u062d \u062a\u0628\u0627\u062f\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0643\u0641\u0627\u0621\u0629 \u0628\u064a\u0646 \u0627\u0644\u0623\u062c\u0647\u0632\u0629.<\/li>\n<\/ul>\n<h2>\u0627\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629 \u0648\u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0625\u0644\u0649 \u0627\u0644\u0630\u0627\u0643\u0631\u0629<\/h2>\n<p>\u064a\u0645\u0643\u0646 \u0644\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629\u060c \u0645\u062b\u0644 OneProxy\u060c \u0627\u0644\u0627\u0633\u062a\u0641\u0627\u062f\u0629 \u0645\u0646 DMA \u0639\u0646\u062f \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0643\u0645\u064a\u0627\u062a \u0643\u0628\u064a\u0631\u0629 \u0645\u0646 \u062d\u0631\u0643\u0629 \u0645\u0631\u0648\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a. \u0645\u0646 \u062e\u0644\u0627\u0644 \u0646\u0642\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0643\u0641\u0627\u0621\u0629 \u0628\u064a\u0646 \u0627\u0644\u0639\u0645\u0644\u0627\u0621 \u0648\u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a\u060c \u064a\u0645\u0643\u0646 \u0644\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u062f\u0639\u0645 DMA \u062a\u062d\u0633\u064a\u0646 \u0623\u0648\u0642\u0627\u062a \u0627\u0644\u0627\u0633\u062a\u062c\u0627\u0628\u0629 \u0648\u0627\u0644\u0623\u062f\u0627\u0621 \u0627\u0644\u0639\u0627\u0645 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631. \u064a\u0645\u0643\u0646 \u0623\u0646 \u064a\u0643\u0648\u0646 DMA \u0645\u0641\u064a\u062f\u064b\u0627 \u0628\u0634\u0643\u0644 \u062e\u0627\u0635 \u0644\u0644\u062e\u0648\u0627\u062f\u0645 \u0627\u0644\u0648\u0643\u064a\u0644\u0629 \u0641\u064a \u0627\u0644\u0633\u064a\u0646\u0627\u0631\u064a\u0648\u0647\u0627\u062a \u0630\u0627\u062a \u0623\u062d\u0645\u0627\u0644 \u0627\u0644\u0634\u0628\u0643\u0629 \u0627\u0644\u0639\u0627\u0644\u064a\u0629 \u0623\u0648 \u0639\u0646\u062f \u062a\u0642\u062f\u064a\u0645 \u0645\u062d\u062a\u0648\u0649 \u0627\u0644\u0648\u0633\u0627\u0626\u0637 \u0627\u0644\u0645\u062a\u0639\u062f\u062f\u0629.<\/p>\n<h2>\u0631\u0648\u0627\u0628\u0637 \u0630\u0627\u062a \u0639\u0644\u0627\u0642\u0629<\/h2>\n<p>\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0644\u0644\u0630\u0627\u0643\u0631\u0629\u060c \u064a\u0645\u0643\u0646\u0643 \u0627\u0633\u062a\u0643\u0634\u0627\u0641 \u0627\u0644\u0645\u0648\u0627\u0631\u062f \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Direct_memory_access\" target=\"_new\" rel=\"noopener nofollow\">\u0648\u064a\u0643\u064a\u0628\u064a\u062f\u064a\u0627 \u2013 \u0627\u0644\u0648\u0635\u0648\u0644 \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0625\u0644\u0649 \u0627\u0644\u0630\u0627\u0643\u0631\u0629<\/a><\/li>\n<li><a href=\"https:\/\/www.techopedia.com\/definition\/27674\/direct-memory-access-dma\" target=\"_new\" rel=\"noopener nofollow\">\u062a\u064a\u0643\u0648\u0628\u064a\u062f\u064a\u0627 \u2013 DMA<\/a><\/li>\n<li><a href=\"https:\/\/www.redbooks.ibm.com\/abstracts\/sg244940.html\" target=\"_new\" rel=\"noopener nofollow\">IBM Redbooks \u2013 \u0645\u0641\u0627\u0647\u064a\u0645 DMA \u0648\u0627\u0644\u0628\u0631\u0645\u062c\u0629<\/a><\/li>\n<\/ul>","protected":false},"featured_media":476843,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476842","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Direct Memory Access (DMA)<\/mark>","faq_items":[{"question":"What is Direct Memory Access (DMA)?","answer":"<p><strong>Direct Memory Access (DMA)<\/strong> is a technology that allows devices to transfer data directly to and from the system's memory without involving the central processing unit (CPU). It enables faster data movement and reduces CPU overhead.<\/p>"},{"question":"How did Direct Memory Access originate?","answer":"<p>DMA's concept was introduced in the early days of computing during the 1960s. IBM's System\/360 Model 85, launched in 1968, is credited with pioneering DMA.<\/p>"},{"question":"How does Direct Memory Access work?","answer":"<p>DMA uses a dedicated DMA controller to manage data transfers between devices and memory. When a device needs to transfer data, it initiates a DMA request to the controller, which handles the data movement independently from the CPU.<\/p>"},{"question":"What are the key features of Direct Memory Access?","answer":"<p>DMA offers several key features, including reduced CPU overhead, faster data transfer, asynchronous operation, and streamlined data movement.<\/p>"},{"question":"What types of Direct Memory Access exist?","answer":"<p>DMA can be categorized into three main types based on data transfer direction: Single DMA (one device to memory), Cascade DMA (multiple controllers daisy-chained), and Multiple DMA (simultaneous transfers between multiple devices and memory).<\/p>"},{"question":"What are some applications of Direct Memory Access?","answer":"<p>DMA is used in networking for high-speed data transfers, storage for efficient disk I\/O, and multimedia processing for real-time audio and video streaming.<\/p>"},{"question":"What challenges are associated with Direct Memory Access?","answer":"<p>DMA may face challenges like data coherency, DMA conflicts, and security concerns. These issues are addressed through cache management, arbitration mechanisms, and robust access control.<\/p>"},{"question":"How does Direct Memory Access compare to Programmed I\/O?","answer":"<p>DMA involves minimal CPU involvement and offers faster data transfer, while Programmed I\/O is CPU-intensive and slower. DMA's overhead is low, whereas Programmed I\/O has higher overhead.<\/p>"},{"question":"What is the future of Direct Memory Access?","answer":"<p>The future of DMA looks promising with enhanced performance, improved energy efficiency, and integration with emerging technologies like IoT and edge computing.<\/p>"},{"question":"How are proxy servers related to Direct Memory Access?","answer":"<p>Proxy servers, such as OneProxy, can benefit from DMA by efficiently handling data traffic and improving overall performance in high-load scenarios or when serving multimedia content.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/wiki\/476842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/wiki\/476842\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/media\/476843"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/ar\/wp-json\/wp\/v2\/media?parent=476842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}