{"id":6575,"date":"2024-06-06T11:03:24","date_gmt":"2024-06-06T11:03:24","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/direct-memory-access-dma\/"},"modified":"2024-06-06T11:03:24","modified_gmt":"2024-06-06T11:03:24","slug":"otsene-maluuhendus-dma","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/et\/dictionary\/direct-memory-access-dma\/","title":{"rendered":"Otsene m\u00e4luressurss Dma"},"content":{"rendered":"<h1>Otsene m\u00e4lu\u00fchendus (DMA)<\/h1>\n<p>Otsene m\u00e4lu\u00fchendus (Direct Memory Access, DMA) on arvuti riistvara funktsioon, mis v\u00f5imaldab <a href=\"https:\/\/thecodest.co\/et\/blog\/app-data-collection-security-risks-value-and-types-explored\/\">andmed<\/a> edastada seadmete ja m\u00e4lu vahel ilma protsessori sekkumiseta. DMA v\u00f5imaldab sellistel seadmetel nagu helikaardid, v\u00f5rguadapterid ja k\u00f5vakettad edastada andmeid otse m\u00e4llu ja m\u00e4lust, vabastades protsessori muude \u00fclesannete t\u00e4itmiseks.<\/p>\n<p>DMA on eriti kasulik suurte andmemahtude edastamisel, kuna see v\u00f5ib oluliselt v\u00e4hendada \u00fclekandmiseks vajalikku protsessori koormust. See v\u00f5ib parandada s\u00fcsteemi j\u00f5udlust ja v\u00e4hendada latentsust.<\/p>\n<p>DMA on kahte t\u00fc\u00fcpi: bussijuhtimise DMA ja kolmanda osapoole DMA. Bussijuhtimise DMA v\u00f5imaldab seadmel v\u00f5tta kontrolli s\u00fcsteemibussi \u00fcle ja teostada \u00fclekandeid otse, samas kui kolmanda osapoole DMA h\u00f5lmab spetsiaalset DMA-kontrollerit, mis haldab \u00fclekandeid seadmete nimel.<\/p>\n<p>Kuigi DMA v\u00f5ib oluliselt parandada s\u00fcsteemi j\u00f5udlust, v\u00f5ib see ka tekitada turvariske. Pahatahtlik tarkvara v\u00f5ib kasutada DMA-d \u00e4ra, et p\u00e4\u00e4seda ligi m\u00e4lus olevatele tundlikele andmetele, mis v\u00f5ib p\u00f5hjustada andmete rikkumisi v\u00f5i muid turvaintsidente. Seet\u00f5ttu on oluline rakendada asjakohaseid turvameetmeid, n\u00e4iteks DMA-kaitset, et v\u00e4hendada neid riske.<\/p>\n<p>Kokkuv\u00f5ttes on DMA riistvara funktsioon, mis v\u00f5imaldab seadmetel edastada andmeid otse m\u00e4llu ja m\u00e4lust ilma protsessori sekkumiseta. See v\u00f5ib oluliselt parandada s\u00fcsteemi j\u00f5udlust, kuid sellega kaasnevad ka turvariskid, millega tuleb tegeleda.<\/p>","protected":false},"excerpt":{"rendered":"<p>Tutvuge otsese m\u00e4luressursiga (DMA) ja sellega, kuidas see v\u00f5ib parandada s\u00fcsteemi j\u00f5udlust, v\u00f5imaldades seadmetel andmeid otse m\u00e4llu ja m\u00e4lust edasi kanda. #DMA #s\u00fcsteemi j\u00f5udlus<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6575","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Direct Memory Access Dma - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about Direct Memory Access (DMA) and how it can improve system performance by allowing devices to transfer data directly to and from memory. #DMA #systemperformance\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/et\/sonastik\/otsene-maluuhendus-dma\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Direct Memory Access Dma - 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The Codest","description":"Tutvuge otsese m\u00e4luressursiga (DMA) ja sellega, kuidas see v\u00f5ib parandada s\u00fcsteemi j\u00f5udlust, v\u00f5imaldades seadmetel andmeid otse m\u00e4llu ja m\u00e4lust edasi kanda. #DMA #s\u00fcsteemi j\u00f5udlus","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/thecodest.co\/et\/sonastik\/otsene-maluuhendus-dma\/","og_locale":"et_EE","og_type":"article","og_title":"Direct Memory Access Dma - The Codest","og_description":"Learn about Direct Memory Access (DMA) and how it can improve system performance by allowing devices to transfer data directly to and from memory. #DMA #systemperformance","og_url":"https:\/\/thecodest.co\/et\/sonastik\/otsene-maluuhendus-dma\/","og_site_name":"The Codest","og_image":[{"width":1200,"height":675,"url":"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/thecodest.co\/dictionary\/direct-memory-access-dma\/","url":"https:\/\/thecodest.co\/dictionary\/direct-memory-access-dma\/","name":"Otsene m\u00e4luressurss Dma - 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