{"id":477612,"date":"2023-08-09T09:17:42","date_gmt":"2023-08-09T09:17:42","guid":{"rendered":""},"modified":"2023-09-05T11:15:05","modified_gmt":"2023-09-05T11:15:05","slug":"input-output-i-o","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/input-output-i-o\/","title":{"rendered":"\u5165\u529b\/\u51fa\u529b (I\/O)"},"content":{"rendered":"<p>\u5165\u51fa\u529b (I\/O) \u3068\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30b7\u30b9\u30c6\u30e0\u3068\u305d\u306e\u5916\u90e8\u30c7\u30d0\u30a4\u30b9\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u901a\u4fe1\u304a\u3088\u3073\u30c7\u30fc\u30bf\u8ee2\u9001\u30d7\u30ed\u30bb\u30b9\u3092\u6307\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u3068\u30b7\u30b9\u30c6\u30e0\u9593\u306e\u3084\u308a\u53d6\u308a\u3092\u53ef\u80fd\u306b\u3057\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306e\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3068\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u60c5\u5831\u4ea4\u63db\u3092\u5bb9\u6613\u306b\u3059\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002I\/O \u306f\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u3084\u30de\u30a6\u30b9\u306b\u3088\u308b\u5358\u7d14\u306a\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u304b\u3089\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c7\u30d0\u30a4\u30b9\u9593\u306e\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u8ee2\u9001\u307e\u3067\u3001\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 \u30bf\u30b9\u30af\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h2>\u5165\u529b\/\u51fa\u529b\uff08I\/O\uff09\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>\u5165\u51fa\u529b\u306e\u6982\u5ff5\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u30d1\u30f3\u30c1 \u30ab\u30fc\u30c9\u3084\u30c6\u30ec\u30bf\u30a4\u30d7\u7aef\u672b\u3067\u64cd\u4f5c\u3055\u308c\u3066\u3044\u305f\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u521d\u671f\u306e\u6642\u4ee3\u306b\u307e\u3067\u9061\u308a\u307e\u3059\u300220 \u4e16\u7d00\u534a\u3070\u306b\u306f\u3001\u30e1\u30a4\u30f3\u30d5\u30ec\u30fc\u30e0 \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c I\/O \u30b7\u30b9\u30c6\u30e0\u3092\u4f7f\u7528\u3057\u3066\u3001\u30d7\u30ea\u30f3\u30bf\u30fc\u3001\u30ab\u30fc\u30c9 \u30ea\u30fc\u30c0\u30fc\u3001\u30c6\u30fc\u30d7 \u30c9\u30e9\u30a4\u30d6\u306a\u3069\u306e\u5468\u8fba\u6a5f\u5668\u3068\u306e\u3084\u308a\u53d6\u308a\u3092\u7ba1\u7406\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>I\/O \u304c\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u30011950 \u5e74\u4ee3\u306e\u521d\u671f\u306e\u30e1\u30a4\u30f3\u30d5\u30ec\u30fc\u30e0 \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u6642\u4ee3\u307e\u3067\u9061\u308a\u307e\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u6280\u8853\u304c\u9032\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001I\/O \u306e\u6982\u5ff5\u306f\u62e1\u5927\u3057\u3001\u30d1\u30fc\u30bd\u30ca\u30eb \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u51fa\u73fe\u306b\u3088\u308a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u57fa\u672c\u7684\u306a\u5074\u9762\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u5165\u529b\/\u51fa\u529b (I\/O) \u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831<\/h2>\n<h3>\u5165\u529b\/\u51fa\u529b (I\/O) \u306e\u5185\u90e8\u69cb\u9020 \u2013 I\/O \u306e\u4ed5\u7d44\u307f<\/h3>\n<p>\u5165\u51fa\u529b\u306b\u306f\u3001\u5165\u529b\u3068\u51fa\u529b\u3068\u3044\u3046 2 \u3064\u306e\u4e3b\u306a\u30d7\u30ed\u30bb\u30b9\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u5165\u529b\u30d7\u30ed\u30bb\u30b9\u306f\u5916\u90e8\u30bd\u30fc\u30b9\u304b\u3089\u306e\u30c7\u30fc\u30bf\u307e\u305f\u306f\u30b3\u30de\u30f3\u30c9\u306e\u53d7\u4fe1\u3092\u51e6\u7406\u3057\u3001\u51fa\u529b\u30d7\u30ed\u30bb\u30b9\u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30b7\u30b9\u30c6\u30e0\u304b\u3089\u5916\u90e8\u30c7\u30d0\u30a4\u30b9\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u30c7\u30fc\u30bf\u307e\u305f\u306f\u7d50\u679c\u306e\u9001\u4fe1\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n<p>\u52b9\u7387\u7684\u306a I\/O \u64cd\u4f5c\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001\u6700\u65b0\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3055\u307e\u3056\u307e\u306a\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u304a\u3088\u3073\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30e1\u30ab\u30cb\u30ba\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u306f\u6b21\u306e\u3082\u306e\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>I\/O \u30c1\u30e3\u30cd\u30eb<\/strong>: CPU \u3068\u5916\u90e8\u30c7\u30d0\u30a4\u30b9\u9593\u3067\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u7d4c\u8def\u3067\u3059\u3002\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u51e6\u7406\u3059\u308b I\/O \u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u3088\u3063\u3066\u7ba1\u7406\u3055\u308c\u3001CPU \u304c\u51e6\u7406\u30bf\u30b9\u30af\u306b\u96c6\u4e2d\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d0\u30c3\u30d5\u30a1<\/strong>: \u30d0\u30c3\u30d5\u30a1\u306f\u3001I\/O \u64cd\u4f5c\u4e2d\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u4e00\u6642\u7684\u306a\u4fdd\u5b58\u5834\u6240\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30d0\u30c3\u30d5\u30a1\u306f\u3001CPU \u3068\u4f4e\u901f\u306e I\/O \u30c7\u30d0\u30a4\u30b9\u9593\u306e\u901f\u5ea6\u5dee\u3092\u5e73\u6ed1\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5272\u308a\u8fbc\u307f<\/strong>: \u5272\u308a\u8fbc\u307f\u306f\u3001I\/O \u30c7\u30d0\u30a4\u30b9\u304c\u5bfe\u5fdc\u3092\u5fc5\u8981\u3068\u3059\u308b\u3068\u304d\u306b CPU \u306b\u9001\u4fe1\u3055\u308c\u308b\u4fe1\u53f7\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001CPU \u306f\u6642\u9593\u7684\u5236\u7d04\u306e\u3042\u308b I\/O \u64cd\u4f5c\u306b\u8fc5\u901f\u306b\u5fdc\u7b54\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c0\u30a4\u30ec\u30af\u30c8 \u30e1\u30e2\u30ea \u30a2\u30af\u30bb\u30b9 (DMA)<\/strong>: DMA \u306b\u3088\u308a\u3001\u7279\u5b9a\u306e I\/O \u30c7\u30d0\u30a4\u30b9\u304c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306e\u30e1\u30e2\u30ea\u306b\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u304a\u3051\u308b CPU \u306e\u95a2\u4e0e\u304c\u6e1b\u308a\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>I\/O \u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0<\/strong>: I\/O \u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u52b9\u7387\u3092\u6700\u9069\u5316\u3057\u3001\u30ec\u30a4\u30c6\u30f3\u30b7\u3092\u524a\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001I\/O \u8981\u6c42\u304c\u51e6\u7406\u3055\u308c\u308b\u9806\u5e8f\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5165\u529b\/\u51fa\u529b\uff08I\/O\uff09\u306e\u4e3b\u8981\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>\u5165\u529b\/\u51fa\u529b (I\/O) \u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u53cc\u65b9\u5411\u6027<\/strong>I\/O \u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf \u30b7\u30b9\u30c6\u30e0\u3068\u5916\u90e8\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u53cc\u65b9\u5411\u901a\u4fe1\u3092\u5bb9\u6613\u306b\u3057\u3001\u30c7\u30fc\u30bf\u306e\u5165\u529b\u3068\u51fa\u529b\u306e\u4e21\u65b9\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u69d8\u6027<\/strong>I\/O \u306f\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u3084\u30d7\u30ea\u30f3\u30bf\u30fc\u306a\u3069\u306e\u5f93\u6765\u306e\u5468\u8fba\u6a5f\u5668\u304b\u3089\u6700\u65b0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u307e\u3067\u3001\u5e45\u5e83\u3044\u30c7\u30d0\u30a4\u30b9\u3092\u30ab\u30d0\u30fc\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3078\u306e\u5f71\u97ff<\/strong>: \u4f4e\u901f\u307e\u305f\u306f\u975e\u52b9\u7387\u7684\u306a I\/O \u306f\u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u52b9\u7387\u7684\u306a I\/O \u64cd\u4f5c\u306f\u30b7\u30b9\u30c6\u30e0 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u3068\u3063\u3066\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a8\u30e9\u30fc\u51e6\u7406<\/strong>: I\/O \u64cd\u4f5c\u4e2d\u306e\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3068\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5b9a\u6027\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u5805\u7262\u306a\u30a8\u30e9\u30fc\u51e6\u7406\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u5165\u529b\/\u51fa\u529b (I\/O) \u306e\u7a2e\u985e<\/h2>\n<p>I\/O \u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u6027\u8cea\u3068\u95a2\u9023\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u306b\u57fa\u3065\u3044\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002\u4e00\u822c\u7684\u306a I\/O \u306e\u30bf\u30a4\u30d7\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30b7\u30ea\u30a2\u30ebI\/O<\/td>\n<td>\u30c7\u30fc\u30bf\u306f\u30d3\u30c3\u30c8\u3054\u3068\u306b\u9806\u756a\u306b\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d1\u30e9\u30ec\u30ebI\/O<\/td>\n<td>\u30c7\u30fc\u30bf\u306f\u540c\u6642\u306b\u4e26\u884c\u3057\u3066\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d6\u30ed\u30c3\u30afI\/O<\/td>\n<td>\u30c7\u30fc\u30bf\u306f\u56fa\u5b9a\u30b5\u30a4\u30ba\u306e\u30d6\u30ed\u30c3\u30af\u3067\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u5b57I\/O<\/td>\n<td>\u30c7\u30fc\u30bf\u306f\u6587\u5b57\u3054\u3068\u306b\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30cd\u30c3\u30c8\u30ef\u30fc\u30afI\/O<\/td>\n<td>\u30c7\u30fc\u30bf\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7d4c\u7531\u3067\u8ee2\u9001\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30e1\u30e2\u30ea\u30de\u30c3\u30d7I\/O<\/td>\n<td>\u30c7\u30d0\u30a4\u30b9\u306f\u30e1\u30e2\u30ea\u7a7a\u9593\u306b\u76f4\u63a5\u30de\u30c3\u30d7\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5165\u51fa\u529b\uff08I\/O\uff09\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<p>I\/O \u306e\u4f7f\u7528\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30c9\u30e1\u30a4\u30f3\u3068\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u307e\u305f\u304c\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30e9\u30af\u30b7\u30e7\u30f3<\/strong>: I\/O \u306f\u3001\u30ad\u30fc\u30dc\u30fc\u30c9\u3001\u30de\u30a6\u30b9\u3001\u30bf\u30c3\u30c1\u30b9\u30af\u30ea\u30fc\u30f3\u3001\u97f3\u58f0\u30b3\u30de\u30f3\u30c9\u306b\u3088\u308b\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u3092\u5bb9\u6613\u306b\u3057\u3001\u30e6\u30fc\u30b6\u30fc\u304c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3068\u5bfe\u8a71\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u30b9\u30c8\u30ec\u30fc\u30b8<\/strong>: I\/O \u306f\u3001\u30cf\u30fc\u30c9 \u30c9\u30e9\u30a4\u30d6\u3001\u30bd\u30ea\u30c3\u30c9 \u30b9\u30c6\u30fc\u30c8 \u30c9\u30e9\u30a4\u30d6\u3001\u5149\u5b66\u30e1\u30c7\u30a3\u30a2\u306a\u3069\u306e\u30b9\u30c8\u30ec\u30fc\u30b8 \u30c7\u30d0\u30a4\u30b9\u3078\u306e\u30c7\u30fc\u30bf\u306e\u8aad\u307f\u53d6\u308a\u3068\u66f8\u304d\u8fbc\u307f\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0<\/strong>I\/O \u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u307e\u305f\u306f\u30ed\u30fc\u30ab\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u9593\u3067\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5370\u5237<\/strong>I\/O \u306b\u3088\u308a\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u306f\u30d7\u30ea\u30f3\u30bf\u30fc\u3084\u305d\u306e\u4ed6\u306e\u51fa\u529b\u30c7\u30d0\u30a4\u30b9\u3068\u901a\u4fe1\u3057\u3066\u3001\u30c7\u30b8\u30bf\u30eb \u30b3\u30f3\u30c6\u30f3\u30c4\u306e\u7269\u7406\u7684\u306a\u30b3\u30d4\u30fc\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>I\/O \u306f\u91cd\u8981\u3067\u3042\u308b\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u8ab2\u984c\u306b\u76f4\u9762\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30ec\u30a4\u30c6\u30f3\u30b7<\/strong>: I\/O \u304c\u9045\u3044\u3068\u3001\u5fdc\u7b54\u6642\u9593\u304c\u9045\u304f\u306a\u308a\u3001\u30b7\u30b9\u30c6\u30e0 \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u540c\u6642\u5b9f\u884c\u6027<\/strong>: \u540c\u6642 I\/O \u64cd\u4f5c\u306f\u3001\u9069\u5207\u306b\u7ba1\u7406\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u7af6\u5408\u3084\u30c7\u30fc\u30bf\u7834\u640d\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027<\/strong>: \u30c7\u30fc\u30bf\u306e\u640d\u5931\u3084\u7834\u640d\u3092\u9632\u3050\u305f\u3081\u306b\u306f\u3001I\/O \u64cd\u4f5c\u4e2d\u306b\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001\u6b21\u306e\u3088\u3046\u306a\u3055\u307e\u3056\u307e\u306a\u624b\u6cd5\u3068\u6700\u9069\u5316\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0<\/strong>: \u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3068\u3001I\/O \u30ec\u30a4\u30c6\u30f3\u30b7\u304c\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u975e\u540c\u671fI\/O<\/strong>: \u975e\u540c\u671f\u64cd\u4f5c\u306b\u3088\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u306f I\/O \u306e\u5b8c\u4e86\u3092\u5f85\u6a5f\u3057\u306a\u304c\u3089\u4ed6\u306e\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a8\u30e9\u30fc\u51e6\u7406<\/strong>: \u5805\u7262\u306a\u30a8\u30e9\u30fc\u51e6\u7406\u304a\u3088\u3073\u56de\u5fa9\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u7dad\u6301\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5165\u529b<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u304c\u53d7\u4fe1\u3057\u305f\u30c7\u30fc\u30bf\u307e\u305f\u306f\u30b3\u30de\u30f3\u30c9\u3092\u6307\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u51fa\u529b<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u306b\u3088\u3063\u3066\u9001\u4fe1\u3055\u308c\u308b\u30c7\u30fc\u30bf\u307e\u305f\u306f\u7d50\u679c\u3092\u6307\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5165\u529b\/\u51fa\u529b (I\/O)<\/td>\n<td>\u30b7\u30b9\u30c6\u30e0\u3068\u5916\u90e8\u30c7\u30d0\u30a4\u30b9\u9593\u306e\u5168\u4f53\u7684\u306a\u901a\u4fe1\u304a\u3088\u3073\u30c7\u30fc\u30bf\u8ee2\u9001\u30d1\u30e9\u30c0\u30a4\u30e0\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8<\/td>\n<td>\u6307\u5b9a\u3055\u308c\u305f\u6642\u9593\u5185\u306b\u30c7\u30fc\u30bf\u3092\u51e6\u7406\u307e\u305f\u306f\u8ee2\u9001\u3067\u304d\u308b\u901f\u5ea6\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5e2f\u57df\u5e45<\/td>\n<td>\u901a\u4fe1\u30c1\u30e3\u30cd\u30eb\u304c\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u305f\u3081\u306e\u5bb9\u91cf\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5165\u51fa\u529b\uff08I\/O\uff09\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306e\u9032\u6b69\u306b\u3088\u308a\u3001I\/O \u306e\u5c06\u6765\u306f\u660e\u308b\u3044\u3068\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6f5c\u5728\u7684\u306a\u767a\u5c55\u3068\u3057\u3066\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u3088\u308a\u9ad8\u901f\u306aI\/O\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/strong>: PCIe \u3084 Thunderbolt \u306a\u3069\u306e\u9ad8\u901f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9032\u5316\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u901f\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u63ee\u767a\u6027\u30e1\u30e2\u30ea (NVM)<\/strong>: 3D XPoint \u3084 MRAM \u306a\u3069\u306e NVM \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f\u3001\u3088\u308a\u9ad8\u901f\u3067\u8010\u4e45\u6027\u306e\u9ad8\u3044\u30b9\u30c8\u30ec\u30fc\u30b8 \u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306eI\/O<\/strong>\u30af\u30e9\u30a6\u30c9 \u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u3088\u308a I\/O \u6a5f\u80fd\u304c\u3055\u3089\u306b\u5f37\u5316\u3055\u308c\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30c7\u30fc\u30bf \u30a2\u30af\u30bb\u30b9\u3068\u5171\u6709\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>IoT\u306e\u7d71\u5408<\/strong>: \u30e2\u30ce\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 (IoT) \u304c\u6210\u9577\u3059\u308b\u306b\u3064\u308c\u3066\u3001I\/O \u306f\u6570\u5341\u5104\u306e\u30c7\u30d0\u30a4\u30b9\u306e\u63a5\u7d9a\u3068\u7ba1\u7406\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u4f7f\u7528\u65b9\u6cd5\u3084\u5165\u51fa\u529b (I\/O) \u3068\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067 I\/O \u3068\u5bc6\u63a5\u306b\u95a2\u9023\u4ed8\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30af\u30e9\u30a4\u30a2\u30f3\u30c8 (\u30e6\u30fc\u30b6\u30fc) \u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306e\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u7740\u4fe1\u8981\u6c42\u3092\u53d7\u4fe1\u3057\u3001\u5916\u90e8\u30b5\u30fc\u30d0\u30fc\u3068\u306e\u901a\u4fe1\u3092\u51e6\u7406\u3057\u3001\u7d50\u679c\u3092\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306b\u8fd4\u3057\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u95a2\u9023\u3059\u308b I\/O \u64cd\u4f5c\u306e\u7ba1\u7406\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b21\u306e\u65b9\u6cd5\u3067 I\/O \u52b9\u7387\u3092\u5411\u4e0a\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p>\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30ea\u30bd\u30fc\u30b9\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3057\u3001\u7e70\u308a\u8fd4\u3057\u306e I\/O \u64cd\u4f5c\u306e\u5fc5\u8981\u6027\u3092\u6e1b\u3089\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af I\/O \u3092\u7ba1\u7406\u304a\u3088\u3073\u6700\u9069\u5316\u3057\u3066\u3001\u5168\u4f53\u7684\u306a\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p>\u53d7\u4fe1\u30c7\u30fc\u30bf\u3068\u9001\u4fe1\u30c7\u30fc\u30bf\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u304a\u3088\u3073\u691c\u67fb\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u8ffd\u52a0\u30ec\u30a4\u30e4\u30fc\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u5165\u529b\/\u51fa\u529b (I\/O) \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li><a href=\"https:\/\/en.wikipedia.org\/wiki\/Input\/output\" target=\"_new\" rel=\"noopener nofollow\">Wikipedia \u2013 \u5165\u529b\/\u51fa\u529b<\/a><\/li>\n<li><a href=\"https:\/\/www.geeksforgeeks.org\/input-output-i-o-basics\/\" target=\"_new\" rel=\"noopener nofollow\">GeeksforGeeks \u2013 \u5165\u529b\/\u51fa\u529b<\/a><\/li>\n<li><a href=\"https:\/\/developer.ibm.com\/technologies\/systems\/articles\/io-mechanism-os-fundamentals\/\" target=\"_new\" rel=\"noopener nofollow\">IBM Developer \u2013 \u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0 \u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b I\/O \u306e\u7406\u89e3<\/a><\/li>\n<\/ol>","protected":false},"featured_media":468637,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-477612","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Input\/Output (I\/O) - Understanding the Data Transfer Paradigm<\/mark>","faq_items":[{"question":"What is Input\/Output (I\/O)?","answer":"<p>Input\/Output (I\/O) refers to the communication and data transfer processes between a computer system and its external devices or networks. It enables interaction between users and the system and facilitates the exchange of information between hardware and software components.<\/p>"},{"question":"How did Input\/Output (I\/O) originate?","answer":"<p>The concept of I\/O dates back to the early days of computing when mainframe computers used punch cards and teletype terminals. It evolved as computers advanced, becoming a fundamental aspect of computing.<\/p>"},{"question":"How does Input\/Output (I\/O) work?","answer":"<p>I\/O involves two main processes: input and output. Input deals with data reception from external sources, while output sends data or results to external devices. It utilizes channels, buffers, interrupts, DMA, and I\/O scheduling for efficient operations.<\/p>"},{"question":"What are the key features of Input\/Output (I\/O)?","answer":"<p>The key features include bidirectionality, diversity of devices, impact on system performance, and robust error handling mechanisms.<\/p>"},{"question":"What are the types of Input\/Output (I\/O)?","answer":"<p>I\/O can be categorized into various types, such as serial, parallel, block, character, network, and memory-mapped I\/O.<\/p>"},{"question":"How is Input\/Output (I\/O) used and what are the associated problems?","answer":"<p>I\/O is used for user interaction, data storage, networking, and printing. Challenges include latency, concurrency, and data integrity. Solutions involve caching, asynchronous I\/O, and robust error handling.<\/p>"},{"question":"How does Input\/Output (I\/O) compare to similar terms?","answer":"<p>Input refers to received data or commands, while output denotes sent data or results. I\/O encompasses both aspects and is essential for data transfer.<\/p>"},{"question":"What are the future perspectives of Input\/Output (I\/O)?","answer":"<p>The future of I\/O looks promising with faster interfaces, non-volatile memory technologies, cloud-based I\/O, and integration with IoT.<\/p>"},{"question":"How are proxy servers associated with Input\/Output (I\/O)?","answer":"<p>Proxy servers act as intermediaries for network communication, managing I\/O operations related to traffic, caching, and network optimization.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477612","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/477612\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/468637"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=477612"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}