{"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\/ir\/wiki\/direct-memory-access\/","title":{"rendered":"\u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647"},"content":{"rendered":"<h2>\u0645\u0639\u0631\u0641\u06cc<\/h2>\n<p>\u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647 (DMA) \u06cc\u06a9 \u0641\u0646\u0627\u0648\u0631\u06cc \u062d\u06cc\u0627\u062a\u06cc \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0627\u0645\u06a9\u0627\u0646 \u0627\u0646\u062a\u0642\u0627\u0644 \u06a9\u0627\u0631\u0622\u0645\u062f \u062f\u0627\u062f\u0647 \u0628\u06cc\u0646 \u062f\u0633\u062a\u06af\u0627\u0647 \u0647\u0627 \u0648 \u062d\u0627\u0641\u0638\u0647 \u0631\u0627 \u0628\u062f\u0648\u0646 \u062f\u062e\u0627\u0644\u062a \u0645\u0633\u062a\u0642\u06cc\u0645 \u0648\u0627\u062d\u062f \u067e\u0631\u062f\u0627\u0632\u0634 \u0645\u0631\u06a9\u0632\u06cc (CPU) \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0642\u0627\u0628\u0644\u06cc\u062a \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0633\u0631\u06cc\u0639\u200c\u062a\u0631 \u0648 \u0633\u0627\u062f\u0647\u200c\u062a\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 DMA \u0631\u0627 \u062f\u0631 \u0628\u0631\u0646\u0627\u0645\u0647\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0627\u0632 \u062c\u0645\u0644\u0647 \u0634\u0628\u06a9\u0647\u060c \u0630\u062e\u06cc\u0631\u0647\u200c\u0633\u0627\u0632\u06cc \u0648 \u067e\u0631\u062f\u0627\u0632\u0634 \u0686\u0646\u062f \u0631\u0633\u0627\u0646\u0647\u200c\u0627\u06cc \u062d\u06cc\u0627\u062a\u06cc \u0645\u06cc\u200c\u0633\u0627\u0632\u062f.<\/p>\n<h2>\u0645\u0646\u0634\u0627\u0621 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/h2>\n<p>\u0645\u0641\u0647\u0648\u0645 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647 \u0628\u0631\u0627\u06cc \u0627\u0648\u0644\u06cc\u0646 \u0628\u0627\u0631 \u062f\u0631 \u0631\u0648\u0632\u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0638\u0627\u0647\u0631 \u0634\u062f\u060c \u0632\u0645\u0627\u0646\u06cc \u06a9\u0647 \u0645\u0647\u0646\u062f\u0633\u0627\u0646 \u0628\u0647 \u062f\u0646\u0628\u0627\u0644 \u0631\u0627\u0647 \u0647\u0627\u06cc\u06cc \u0628\u0631\u0627\u06cc \u062a\u062e\u0644\u06cc\u0647 \u0648\u0638\u0627\u06cc\u0641 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0627\u0632 CPU \u0628\u0647 \u0633\u062e\u062a \u0627\u0641\u0632\u0627\u0631 \u0627\u062e\u062a\u0635\u0627\u0635\u06cc \u0628\u0648\u062f\u0646\u062f. \u0627\u0635\u0637\u0644\u0627\u062d &quot;DMA&quot; \u062f\u0631 \u062f\u0647\u0647 1960 \u0627\u0628\u062f\u0627\u0639 \u0634\u062f\u060c \u0628\u0627 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc \u0627\u0648\u0644\u06cc\u0647 \u062f\u0631 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631\u0647\u0627\u06cc \u06a9\u0648\u0686\u06a9 \u0648 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0645\u0631\u06a9\u0632\u06cc. IBM \u062f\u0631 System\/360 Model 85 \u062e\u0648\u062f \u06a9\u0647 \u062f\u0631 \u0633\u0627\u0644 1968 \u0645\u0639\u0631\u0641\u06cc \u0634\u062f\u060c \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 DMA \u067e\u06cc\u0634\u06af\u0627\u0645 \u0634\u0646\u0627\u062e\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/p>\n<h2>\u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0642\u06cc\u0642 \u062f\u0631 \u0645\u0648\u0631\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/h2>\n<p>DMA \u0628\u0647 \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627\u06cc\u06cc \u0645\u0627\u0646\u0646\u062f \u06a9\u0627\u0631\u062a\u200c\u0647\u0627\u06cc \u0634\u0628\u06a9\u0647 \u06cc\u0627 \u06a9\u0646\u062a\u0631\u0644\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0628\u062f\u0648\u0646 \u062f\u062e\u0627\u0644\u062a \u0645\u062f\u0627\u0648\u0645 CPU\u060c \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0631\u0627 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u0647 \u062d\u0627\u0641\u0638\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0648 \u0627\u0632 \u0622\u0646 \u0645\u0646\u062a\u0642\u0644 \u06a9\u0646\u0646\u062f. \u0628\u0647 \u062c\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc\/\u062e\u0631\u0648\u062c\u06cc \u0633\u0646\u062a\u06cc \u06a9\u0646\u062a\u0631\u0644 \u0634\u062f\u0647 \u062a\u0648\u0633\u0637 CPU\u060c \u06a9\u0647 \u062f\u0631 \u0622\u0646 CPU \u062f\u0631 \u0647\u0631 \u0645\u0631\u062d\u0644\u0647 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u062f\u0631\u06af\u06cc\u0631 \u0627\u0633\u062a\u060c DMA \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0642\u0627\u062f\u0631 \u0645\u06cc \u0633\u0627\u0632\u062f \u06a9\u0647 \u0645\u0633\u062a\u0642\u06cc\u0645\u0627\u064b \u0628\u06cc\u0646 \u062f\u0633\u062a\u06af\u0627\u0647 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\u062f\u0633\u062a\u06af\u0627\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a DMA \u06a9\u0646\u0646\u062f\u060c \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 DMA \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u06cc\u06a9 \u0637\u0631\u062d \u062f\u0627\u0648\u0631\u06cc \u0627\u0632 \u067e\u06cc\u0634 \u062a\u0639\u0631\u06cc\u0641 \u0634\u062f\u0647 \u0627\u0648\u0644\u0648\u06cc\u062a \u0628\u0646\u062f\u06cc \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li><strong>\u0645\u0627\u0644\u06a9\u06cc\u062a \u0627\u062a\u0648\u0628\u0648\u0633<\/strong>: \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 DMA \u06a9\u0646\u062a\u0631\u0644 \u0645\u0648\u0642\u062a \u06af\u0630\u0631\u06af\u0627\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u0627\u0632 CPU \u0628\u0647 \u062f\u0633\u062a \u0645\u06cc 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\u0647\u0627\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/h2>\n<p>DMA \u0686\u0646\u062f\u06cc\u0646 \u0648\u06cc\u0698\u06af\u06cc \u06a9\u0644\u06cc\u062f\u06cc \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u06cc\u06a9 \u0641\u0646\u0627\u0648\u0631\u06cc \u0627\u0631\u0632\u0634\u0645\u0646\u062f \u062a\u0628\u062f\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n<ol>\n<li><strong>\u06a9\u0627\u0647\u0634 \u0633\u0631\u0628\u0627\u0631 CPU<\/strong>: \u0628\u0627 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u0648\u0638\u0627\u06cc\u0641 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0627\u0632 CPU\u060c DMA \u0645\u0646\u0627\u0628\u0639 \u067e\u0631\u062f\u0627\u0632\u0634\u06cc \u0627\u0631\u0632\u0634\u0645\u0646\u062f\u06cc \u0631\u0627 \u0622\u0632\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f \u0648 CPU \u0631\u0627 \u0642\u0627\u062f\u0631 \u0645\u06cc \u0633\u0627\u0632\u062f \u062a\u0627 \u0628\u0631 \u0631\u0648\u06cc \u0648\u0638\u0627\u06cc\u0641 \u0645\u0647\u0645 \u062a\u0631 \u062a\u0645\u0631\u06a9\u0632 \u06a9\u0646\u062f.<\/li>\n<li><strong>\u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0633\u0631\u06cc\u0639\u062a\u0631<\/strong>: DMA \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u06cc\u0646 \u062f\u0633\u062a\u06af\u0627\u0647 \u0647\u0627 \u0648 \u062d\u0627\u0641\u0638\u0647 \u0628\u0627 \u0633\u0631\u0639\u062a \u0628\u0627\u0644\u0627\u062a\u0631\u06cc \u0646\u0633\u0628\u062a \u0628\u0647 \u0631\u0648\u0634 \u0647\u0627\u06cc \u0648\u0631\u0648\u062f\u06cc\/\u062e\u0631\u0648\u062c\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0634\u062f\u0647 \u0633\u0646\u062a\u06cc \u0645\u0646\u062a\u0642\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li><strong>\u0639\u0645\u0644\u06cc\u0627\u062a \u0646\u0627\u0647\u0645\u0632\u0645\u0627\u0646<\/strong>: DMA \u0645\u0633\u062a\u0642\u0644 \u0627\u0632 CPU \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u0628\u0647 \u062f\u0633\u062a\u06af\u0627\u0647 \u0647\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc \u062f\u0647\u062f \u062a\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0627 \u0639\u0645\u0644\u06cc\u0627\u062a CPU \u0645\u0646\u062a\u0642\u0644 \u06a9\u0646\u0646\u062f.<\/li>\n<li><strong>\u062d\u0631\u06a9\u062a \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0633\u0627\u062f\u0647<\/strong>: DMA \u0646\u06cc\u0627\u0632 \u0628\u0647 \u0628\u0627\u0641\u0631 \u0645\u06cc\u0627\u0646\u06cc\u060c \u06a9\u0627\u0647\u0634 \u062a\u0623\u062e\u06cc\u0631 \u0648 \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0644\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0631\u0627 \u0627\u0632 \u0628\u06cc\u0646 \u0645\u06cc \u0628\u0631\u062f.<\/li>\n<\/ol>\n<h2>\u0627\u0646\u0648\u0627\u0639 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/h2>\n<p>DMA \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062c\u0647\u062a \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0628\u0647 \u0633\u0647 \u0646\u0648\u0639 \u0627\u0635\u0644\u06cc \u0637\u0628\u0642\u0647 \u0628\u0646\u062f\u06cc \u06a9\u0631\u062f:<\/p>\n<table>\n<thead>\n<tr>\n<th>\u062a\u0627\u06cc\u067e \u06a9\u0646\u06cc\u062f<\/th>\n<th>\u0634\u0631\u062d<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0648\u0627\u062d\u062f DMA<\/strong><\/td>\n<td>\u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0628\u06cc\u0646 \u06cc\u06a9 \u062f\u0633\u062a\u06af\u0627\u0647 \u062e\u0627\u0635 \u0648 \u062d\u0627\u0641\u0638\u0647 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u0634\u0648\u062f.<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0622\u0628\u0634\u0627\u0631 DMA<\/strong><\/td>\n<td>\u06a9\u0646\u062a\u0631\u0644\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc \u0686\u0646\u062f\u06af\u0627\u0646\u0647 DMA \u0628\u0647 \u0635\u0648\u0631\u062a \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0627\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0627\u0645\u06a9\u0627\u0646 \u0632\u0646\u062c\u06cc\u0631\u0647\u200c\u0627\u06cc \u06a9\u0631\u062f\u0646 \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0628\u06cc\u0646 \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f.<\/td>\n<\/tr>\n<tr>\n<td><strong>DMA \u0686\u0646\u062f\u06af\u0627\u0646\u0647<\/strong><\/td>\n<td>\u0627\u0646\u062a\u0642\u0627\u0644 \u0647\u0645\u0632\u0645\u0627\u0646 DMA \u0628\u06cc\u0646 \u0686\u0646\u062f\u06cc\u0646 \u062f\u0633\u062a\u06af\u0627\u0647 \u0648 \u062d\u0627\u0641\u0638\u0647.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0631\u0627\u0647 \u0647\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647\u060c \u0645\u0634\u06a9\u0644\u0627\u062a \u0648 \u0631\u0627\u0647 \u062d\u0644 \u0647\u0627<\/h2>\n<h3>\u06a9\u0627\u0631\u0628\u0631\u062f\u0647\u0627\u06cc DMA:<\/h3>\n<ul>\n<li><strong>\u0634\u0628\u06a9\u0647 \u0633\u0627\u0632\u06cc<\/strong>: DMA \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u0628\u0627 \u0633\u0631\u0639\u062a \u0628\u0627\u0644\u0627 \u062f\u0631 \u06a9\u0627\u0631\u062a \u0647\u0627\u06cc \u0631\u0627\u0628\u0637 \u0634\u0628\u06a9\u0647 (NIC) \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a \u0648 \u0627\u0645\u06a9\u0627\u0646 \u062f\u0631\u06cc\u0627\u0641\u062a \u0648 \u0627\u0646\u062a\u0642\u0627\u0644 \u06a9\u0627\u0631\u0622\u0645\u062f \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n<li><strong>\u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc<\/strong>: DMA \u062f\u0631 \u06a9\u0646\u062a\u0631\u0644 \u06a9\u0646\u0646\u062f\u0647 \u0647\u0627\u06cc \u062f\u06cc\u0633\u06a9 \u0628\u0631\u0627\u06cc \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u0646\u0648\u0634\u062a\u0646 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0632 \u062f\u0633\u062a\u06af\u0627\u0647 \u0647\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0633\u0627\u0632\u06cc \u0628\u062f\u0648\u0646 \u062f\u062e\u0627\u0644\u062a CPU \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n<li><strong>\u067e\u0631\u062f\u0627\u0632\u0634 \u0635\u0648\u062a\u06cc\/\u062a\u0635\u0648\u06cc\u0631\u06cc<\/strong>: DMA \u062c\u0631\u06cc\u0627\u0646 \u062f\u0627\u062f\u0647 \u062f\u0631 \u0632\u0645\u0627\u0646 \u0648\u0627\u0642\u0639\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u0628\u0631\u0646\u0627\u0645\u0647 \u0647\u0627\u06cc \u0686\u0646\u062f \u0631\u0633\u0627\u0646\u0647 \u0627\u06cc \u062a\u0633\u0647\u06cc\u0644 \u0645\u06cc \u06a9\u0646\u062f \u0648 \u062a\u0627\u062e\u06cc\u0631\u0647\u0627\u06cc \u0635\u0648\u062a\u06cc \u0648 \u062a\u0635\u0648\u06cc\u0631\u06cc \u0631\u0627 \u0628\u0647 \u062d\u062f\u0627\u0642\u0644 \u0645\u06cc \u0631\u0633\u0627\u0646\u062f.<\/li>\n<\/ul>\n<h3>\u0686\u0627\u0644\u0634 \u0647\u0627 \u0648 \u0631\u0627\u0647 \u062d\u0644 \u0647\u0627:<\/h3>\n<ul>\n<li><strong>\u0627\u0646\u0633\u062c\u0627\u0645 \u062f\u0627\u062f\u0647 \u0647\u0627<\/strong>: \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0633\u0627\u0632\u06af\u0627\u0631\u06cc \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u06cc\u0646 CPU \u0648 \u062f\u0633\u062a\u06af\u0627\u0647 \u0647\u0627 \u062f\u0631 \u0637\u0648\u0644 \u0627\u0646\u062a\u0642\u0627\u0644 DMA \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0686\u0627\u0644\u0634 \u0628\u0631\u0627\u0646\u06af\u06cc\u0632 \u0628\u0627\u0634\u062f. \u062a\u06a9\u0646\u06cc\u06a9 \u0647\u0627\u06cc \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0634 \u0648 \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0647\u0627\u06cc \u0647\u0645\u06af\u0627\u0645 \u0633\u0627\u0632\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u0631\u0633\u06cc\u062f\u06af\u06cc \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0628\u0647 \u06a9\u0627\u0631 \u06af\u0631\u0641\u062a\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n<li><strong>\u062a\u0636\u0627\u062f\u0647\u0627\u06cc DMA<\/strong>: \u0648\u0642\u062a\u06cc \u0686\u0646\u062f\u06cc\u0646 \u062f\u0633\u062a\u06af\u0627\u0647 \u0628\u0647 \u0637\u0648\u0631 \u0647\u0645\u0632\u0645\u0627\u0646 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 DMA \u062a\u0644\u0627\u0634 \u0645\u06cc \u06a9\u0646\u0646\u062f\u060c \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062a\u0636\u0627\u062f \u0627\u06cc\u062c\u0627\u062f \u0634\u0648\u062f. \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0647\u0627\u06cc \u0627\u0648\u0644\u0648\u06cc\u062a \u0628\u0646\u062f\u06cc \u0648 \u062f\u0627\u0648\u0631\u06cc \u0645\u0646\u0627\u0633\u0628 \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u062e\u062a\u0644\u0627\u0641 \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a.<\/li>\n<li><strong>\u0646\u06af\u0631\u0627\u0646\u06cc \u0647\u0627\u06cc \u0627\u0645\u0646\u06cc\u062a\u06cc<\/strong>: \u062f\u0633\u062a\u0631\u0633\u06cc \u063a\u06cc\u0631\u0645\u062c\u0627\u0632 \u0628\u0647 DMA \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0646\u062c\u0631 \u0628\u0647 \u0646\u0642\u0636 \u0627\u0645\u0646\u06cc\u062a \u0634\u0648\u062f. \u0637\u0631\u0627\u062d\u0627\u0646 \u0633\u06cc\u0633\u062a\u0645 \u0628\u0627\u06cc\u062f \u0645\u06a9\u0627\u0646\u06cc\u0633\u0645 \u0647\u0627\u06cc \u06a9\u0646\u062a\u0631\u0644 \u062f\u0633\u062a\u0631\u0633\u06cc \u0642\u0648\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0647\u0634 \u0686\u0646\u06cc\u0646 \u062e\u0637\u0631\u0627\u062a\u06cc \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u06a9\u0646\u0646\u062f.<\/li>\n<\/ul>\n<h2>\u0648\u06cc\u0698\u06af\u06cc \u0647\u0627\u06cc \u0627\u0635\u0644\u06cc \u0648 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0647\u0627<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0645\u0634\u062e\u0635\u0647<\/th>\n<th>DMA<\/th>\n<th>I\/O \u0628\u0631\u0646\u0627\u0645\u0647 \u0631\u06cc\u0632\u06cc \u0634\u062f\u0647<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u062f\u0631\u06af\u06cc\u0631\u06cc CPU<\/strong><\/td>\n<td>\u0627\u0646\u062a\u0642\u0627\u0644 \u062d\u062f\u0627\u0642\u0644\u06cc \u0648 \u0645\u0633\u062a\u0642\u0644<\/td>\n<td>CPU \u0641\u0634\u0631\u062f\u0647\u060c I\/O \u06af\u0627\u0645 \u0628\u0647 \u06af\u0627\u0645<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0633\u0631\u0639\u062a<\/strong><\/td>\n<td>\u0627\u0646\u062a\u0642\u0627\u0644 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0633\u0631\u06cc\u0639\u062a\u0631<\/td>\n<td>\u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647 \u06a9\u0646\u062f\u062a\u0631<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062f\u0631 \u0628\u0627\u0644\u0627\u06cc \u0633\u0631<\/strong><\/td>\n<td>\u06a9\u0645<\/td>\n<td>\u0628\u0627\u0644\u0627<\/td>\n<\/tr>\n<tr>\n<td><strong>\u062c\u0647\u062a \u062f\u0627\u062f\u0647 \u0647\u0627<\/strong><\/td>\n<td>\u062f\u0648 \u062c\u0647\u062a\u0647<\/td>\n<td>\u06cc\u06a9 \u0637\u0631\u0641\u0647<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0686\u0634\u0645 \u0627\u0646\u062f\u0627\u0632\u0647\u0627 \u0648 \u0641\u0646\u0627\u0648\u0631\u06cc \u0647\u0627\u06cc \u0622\u06cc\u0646\u062f\u0647<\/h2>\n<p>\u0622\u06cc\u0646\u062f\u0647 DMA \u0627\u0645\u06cc\u062f\u0648\u0627\u0631\u06a9\u0646\u0646\u062f\u0647 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u0641\u0646\u0627\u0648\u0631\u06cc\u200c\u0647\u0627\u06cc \u0645\u062d\u0627\u0633\u0628\u0627\u062a\u06cc \u0647\u0645\u0686\u0646\u0627\u0646 \u062f\u0631 \u062d\u0627\u0644 \u062a\u06a9\u0627\u0645\u0644 \u0647\u0633\u062a\u0646\u062f. \u0628\u0631\u062e\u06cc \u0627\u0632 \u062a\u062d\u0648\u0644\u0627\u062a \u0628\u0627\u0644\u0642\u0648\u0647 \u0639\u0628\u0627\u0631\u062a\u0646\u062f \u0627\u0632:<\/p>\n<ul>\n<li><strong>\u0639\u0645\u0644\u06a9\u0631\u062f \u067e\u06cc\u0634\u0631\u0641\u062a\u0647<\/strong>: \u067e\u06cc\u0634\u0631\u0641\u062a\u200c\u0647\u0627 \u062f\u0631 \u06a9\u0646\u062a\u0631\u0644\u200c\u06a9\u0646\u0646\u062f\u0647\u200c\u0647\u0627\u06cc DMA \u0648 \u0645\u0639\u0645\u0627\u0631\u06cc\u200c\u0647\u0627\u06cc \u06af\u0630\u0631\u06af\u0627\u0647 \u0645\u0646\u062c\u0631 \u0628\u0647 \u0633\u0631\u0639\u062a \u0627\u0646\u062a\u0642\u0627\u0644 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0633\u0631\u06cc\u0639\u200c\u062a\u0631\u060c \u06a9\u0627\u0647\u0634 \u062a\u0623\u062e\u06cc\u0631 \u0648 \u0628\u0647\u0628\u0648\u062f \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0644\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<li><strong>\u0628\u0647\u0631\u0647 \u0648\u0631\u06cc \u0627\u0646\u0631\u0698\u06cc<\/strong>: DMA \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0627 \u06a9\u0627\u0647\u0634 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 CPU \u0648 \u0645\u0635\u0631\u0641 \u0627\u0646\u0631\u0698\u06cc \u0645\u0631\u062a\u0628\u0637 \u0628\u0647 \u0633\u06cc\u0633\u062a\u0645 \u0647\u0627\u06cc \u0627\u0646\u0631\u0698\u06cc \u06a9\u0627\u0631\u0622\u0645\u062f \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/li>\n<li><strong>\u0627\u062f\u063a\u0627\u0645 \u0628\u0627 \u0641\u0646\u0627\u0648\u0631\u06cc \u0647\u0627\u06cc \u0646\u0648\u0638\u0647\u0648\u0631<\/strong>DMA \u0627\u062d\u062a\u0645\u0627\u0644\u0627\u064b \u0646\u0642\u0634 \u0645\u0647\u0645\u06cc \u062f\u0631 \u0641\u0646\u0627\u0648\u0631\u06cc\u200c\u0647\u0627\u06cc \u0646\u0648\u0638\u0647\u0648\u0631 \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0627\u0634\u06cc\u0627 (IoT) \u0648 \u0645\u062d\u0627\u0633\u0628\u0627\u062a \u0644\u0628\u0647 \u0627\u06cc\u0641\u0627 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0627\u0645\u06a9\u0627\u0646 \u062a\u0628\u0627\u062f\u0644 \u06a9\u0627\u0631\u0622\u0645\u062f \u062f\u0627\u062f\u0647 \u0628\u06cc\u0646 \u062f\u0633\u062a\u06af\u0627\u0647\u200c\u0647\u0627 \u0631\u0627 \u0641\u0631\u0627\u0647\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/li>\n<\/ul>\n<h2>\u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u06a9\u0633\u06cc \u0648 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/h2>\n<p>\u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u06a9\u0633\u06cc\u060c \u0645\u0627\u0646\u0646\u062f OneProxy\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0627\u0632 DMA \u062f\u0631 \u0647\u0646\u06af\u0627\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u062d\u062c\u0645 \u0632\u06cc\u0627\u062f\u06cc \u0627\u0632 \u062a\u0631\u0627\u0641\u06cc\u06a9 \u062f\u0627\u062f\u0647 \u0628\u0647\u0631\u0647 \u0645\u0646\u062f \u0634\u0648\u0646\u062f. \u0628\u0627 \u0627\u0646\u062a\u0642\u0627\u0644 \u06a9\u0627\u0631\u0622\u0645\u062f \u062f\u0627\u062f\u0647 \u0647\u0627 \u0628\u06cc\u0646 \u06a9\u0644\u0627\u06cc\u0646\u062a \u0647\u0627 \u0648 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a\u060c \u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u06a9\u0633\u06cc \u062f\u0627\u0631\u0627\u06cc DMA \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0632\u0645\u0627\u0646 \u067e\u0627\u0633\u062e\u06af\u0648\u06cc\u06cc \u0648 \u0639\u0645\u0644\u06a9\u0631\u062f \u06a9\u0644\u06cc \u0631\u0627 \u0628\u0647 \u0645\u06cc\u0632\u0627\u0646 \u0642\u0627\u0628\u0644 \u062a\u0648\u062c\u0647\u06cc \u0628\u0647\u0628\u0648\u062f \u0628\u062e\u0634\u0646\u062f. DMA \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0648\u06cc\u0698\u0647 \u0628\u0631\u0627\u06cc \u0633\u0631\u0648\u0631\u0647\u0627\u06cc \u067e\u0631\u0627\u06a9\u0633\u06cc \u062f\u0631 \u0633\u0646\u0627\u0631\u06cc\u0648\u0647\u0627\u06cc\u06cc \u0628\u0627 \u0628\u0627\u0631 \u0634\u0628\u06a9\u0647 \u0628\u0627\u0644\u0627 \u06cc\u0627 \u0647\u0646\u06af\u0627\u0645 \u0627\u0631\u0627\u0626\u0647 \u0645\u062d\u062a\u0648\u0627\u06cc \u0686\u0646\u062f \u0631\u0633\u0627\u0646\u0647 \u0627\u06cc \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f.<\/p>\n<h2>\u0644\u06cc\u0646\u06a9 \u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647<\/h2>\n<p>\u0628\u0631\u0627\u06cc \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0628\u06cc\u0634\u062a\u0631 \u062f\u0631 \u0645\u0648\u0631\u062f \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0645\u0646\u0627\u0628\u0639 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n<ul>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Direct_memory_access\" target=\"_new\" rel=\"noopener nofollow\">\u0648\u06cc\u06a9\u06cc \u067e\u062f\u06cc\u0627 \u2013 \u062f\u0633\u062a\u0631\u0633\u06cc \u0645\u0633\u062a\u0642\u06cc\u0645 \u0628\u0647 \u062d\u0627\u0641\u0638\u0647<\/a><\/li>\n<li><a href=\"https:\/\/www.techopedia.com\/definition\/27674\/direct-memory-access-dma\" target=\"_new\" rel=\"noopener nofollow\">\u062a\u06a9\u0648\u067e\u062f\u06cc\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\u06cc\u0645 \u0648 \u0628\u0631\u0646\u0627\u0645\u0647 \u0646\u0648\u06cc\u0633\u06cc DMA<\/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\/ir\/wp-json\/wp\/v2\/wiki\/476842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/wiki\/476842\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/media\/476843"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/ir\/wp-json\/wp\/v2\/media?parent=476842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}