{"id":954,"date":"2010-10-10T17:30:57","date_gmt":"2010-10-10T17:30:57","guid":{"rendered":"http:\/\/pchero21.com\/?p=954"},"modified":"2010-10-10T17:30:57","modified_gmt":"2010-10-10T17:30:57","slug":"chapter-1-%ec%97%b0%ec%8a%b5%eb%ac%b8%ec%a0%9c","status":"publish","type":"post","link":"http:\/\/pchero21.com\/?p=954","title":{"rendered":"Chapter 1. \uc5f0\uc2b5\ubb38\uc81c"},"content":{"rendered":"

 1. CPU\uc758 \uad00\uc810\uc5d0\uc11c \uc6d0\ud558\ub294 \uacf3\uc73c\ub85c \ud328\uce58\uc2dc\ud0a8\ub2e4\ub294 \uac83\uacfc \uac00\uc7a5 \uad00\ub828 \uc788\ub294 CPU\uc758 \ub808\uc9c0\uc2a4\ud130\ub294 \ubb34\uc5c7\uc778\uac00?
-> CPU\uc758 \uad00\uc810\uc5d0\uc11c \ubc14\ub77c\ubcf8 “\uc6d0\ud558\ub294 \uacf3\uc73c\ub85c \ud328\uce58(Fetch) \uc2dc\ud0a8\ub2e4”\ub294 \uac83\uc740 \ud604\uc7ac \uc2e4\ud589\ud558\uace0 \uc788\ub294 \uba85\ub839 \ub2e4\uc74c\uc5d0 \uc5b4\ub5a4 \uba85\ub839\uc744 \uc2e4\ud589\uc2dc\ud0ac \uac83\uc778\uac00\uc640 \uad00\ub828\uc774 \uae4a\ub2e4. \ub530\ub77c\uc11c \ub2e4\uc74c\ubc88 \uba85\ub839\uc5b4\uc758 \uc8fc\uc18c\uac12\uc744 \uc800\uc7a5\ud558\uace0 \uc788\ub294 PC(Program Counter) \ub808\uc9c0\uc2a4\ud130\uc774\ub2e4.<\/p>\n

 2. \ub124\ud2b8\uc6cc\ud06c \uad00\uc810\uc5d0\uc11c \uc6d0\ud558\ub294 \uacf3\uc73c\ub85c \ud328\uce58(Fetch)\uc2dc\ud0a8\ub2e4\ub294 \uc6a9\uc5b4\ub294 \ubb34\uc5c7\uc5d0 \ud574\ub2f9\ud558\uaca0\ub294\uac00?
-> \ub124\ud2b8\uc6cc\ud06c \uad00\uc810\uc5d0\uc11c\uc758 \ud328\uce58\ub294 \ud328\ud0b7\uc744 \uc804\uc1a1\ud558\ub294 \uac83\uacfc \uac19\uc740 \uc758\ubbf8\ub97c \uac00\uc9c4\ub2e4\uace0 \uc774\uc57c\uae30 \ud560 \uc218 \uc788\ub2e4. \uc774\uc911\uc5d0\uc11c\ub3c4 “\uc6d0\ud558\ub294 \uacf3\uc73c\ub85c \ud328\uce58”\ud55c\ub2e4\ub294 \uac83\uc740 \ubcf8\ub798\uc758 \ubaa9\uc801\uacfc\ub294 \ub2e4\ub978 \uacf3\uc73c\ub85c \ud328\ud0b7\uc744 \uc804\uc1a1\uc2dc\ud0a8\ub2e4\ub294 \uac83\uc73c\ub85c \uc774\uc57c\uae30\ud560 \uc218\ub3c4 \uc788\uc744 \uac83\uc774\ub2e4. \ud328\ud0b7\uc744 \ucea1\uccd0\ud574\uc11c \ud574\ub2f9 \ud328\ud0b7\uc758 \ubaa9\uc801\uc9c0\ub97c \uc6d0\ud558\ub294 \ubaa9\uc801\uc9c0\ub85c \ubcc0\uacbd\ud558\ub294 \ub4f1\uc758 \uc5ec\ub7ec \ubc29\ubc95\uc774 \uc788\uaca0\uc9c0\ub9cc \ub300\ud45c\uc801\uc778 \uac83\uc73c\ub85c \ud328\ud0b7 \uc2a4\ud478\ud551\uc774 \uc788\uc744 \uc218 \uc788\ub2e4.<\/p>\n

 3. \ud29c\ub9c1\uc774 ‘\uacc4\uc0b0\ud558\ub294 \uae30\uacc4”\uc5d0\uac8c \uc2dc\ucf1c \uc99d\uba85\ud558\uace0\uc790 \ud588\ub358 \uac83\uc740 \ubb34\uc5c7\uc774\uc5c8\ub294\uac00?
-> \ud310\uc815\ubb38\uc81c\ub97c \uc99d\uba85\ud558\uace0\uc790 \ud588\ub2e4.<\/p>\n

 \ud310\uc815\ubb38\uc81c<\/p>\n

 \uacc4\uc0b0 \uac00\ub2a5\uc131 \uc774\ub860<\/a>\uacfc \uacc4\uc0b0 \ubcf5\uc7a1\ub3c4 \uc774\ub860<\/a>\uc5d0\uc11c \ud310\uc815 \ubb38\uc81c<\/b>\ub780 \uc5b4\ub5a4 \ud615\uc2dd \uccb4\uacc4<\/a>\uc5d0\uc11c \uc608-\uc544\ub2c8\uc624 \ub2f5\uc774 \uc788\ub294 \uc9c8\ubb38\uc744 \ub9d0\ud55c\ub2e4. \uacb0\uc815 \ubb38\uc81c<\/b>\ub77c\uace0\ub3c4 \ud55c\ub2e4. \uc608\ub97c \ub4e4\uc5b4 “\ub450 \uc22b\uc790 x<\/i>\uc640 y<\/i>\uac00 \uc788\uc744 \ub54c y<\/i>\ub294 x<\/i>\ub85c \ub098\ub204\uc5b4 \ub5a8\uc5b4\uc9c0\ub294\uac00?” \ud558\ub294 \uc9c8\ubb38\uc774 \uc788\ub2e4. \ub2f5\uc740 x<\/i>\uc640 y<\/i> \uac12\uc5d0 \ub530\ub77c ‘\uc608’ \ub610\ub294 ‘\uc544\ub2c8\uc624’ \uc911 \ud558\ub098\uac00 \ub420 \uc218 \uc788\ub2e4.<\/p>\n

\ud310\uc815 \ubb38\uc81c\ub97c \ud478\ub294 \ub370 \uc4f0\uc778 \ubc29\ubc95\uc744 \uc54c\uace0\ub9ac\uc998<\/a>\uc774\ub77c\uace0 \ud55c\ub2e4. \uc5b4\ub5a4 \ud310\uc815 \ubb38\uc81c\ub97c \ud478\ub294 \uc54c\uace0\ub9ac\uc998\uc774 \uc788\uc73c\uba74 \uadf8 \ubb38\uc81c\ub294 \ud310\uc815 \uac00\ub2a5<\/b>\ud558\ub2e4\uace0 \ud55c\ub2e4. \uc5c6\uc73c\uba74 \ud310\uc815 \ubd88\uac00\ub2a5<\/b>\ud558\ub2e4\uace0 \ud55c\ub2e4.<\/p>\n<\/blockquote>\n

 
 4. \ud604\uc7ac\ub3c4 \uc4f0\uc774\uace0 \uc788\ub294 \uc77c\ubc18 \uc804\ud654 \uc2dc\uc2a4\ud15c(PSTN, Public Switched Telephone Network)\uc740 \uc74c\uc131(Voice)\ubfd0\ub9cc \uc544\ub2c8\ub77c \ub204\ub974\ub294 \uc804\ud654\ubc88\ud638 \uac19\uc740 \ub370\uc774\ud130(Data)\ub3c4 \uc0ac\ub78c\uc774 \ub4e4\uc744 \uc218 \uc788\ub294 \uac00\uccad \uc8fc\ud30c\uc218\ub85c \ubcf4\ub0b8\ub2e4. \uc874 \ub4dc\ub77c\ud37c\uac00 \uacf5\uac1c\ud55c \uc804\ud654 \ud574\ud0b9(Phone Phreaking)\uc740 \uc7a5\uac70\ub9ac \uc804\ud654 \uad00\ub828 \uc2e0\ud638\ub97c \uc804\uc1a1\ud558\ub358 \uc8fc\ud30c\uc218\uc778 2,600Hz\uc5d0 \uc7a1\uc74c\uc744 \uc8fc\uc5b4 \uad50\ud658\uae30\ub97c \uad50\ub780\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc774\uc5c8\ub2e4. \uc774\uac83\uc774 \uac00\ub2a5\ud55c \uac83\uc740 2,600Hz \uac00 \uc218\ud654\ub97c \ud1b5\ud574 \ub4e4\uc744 \uc218\ub3c4 \uc788\uace0 \ubcf4\ub0bc \uc218\ub3c4 \uc788\ub294 \uac00\uccad \uc8fc\ud30c\uc218\uc774\uae30 \ub54c\ubb38\uc774\ub2e4. \uc774\ub7f0 \uad6c\uc870\uc774\uae30 \ub54c\ubb38\uc5d0 \ub9cc\uc57d \uc804\ud654\ub97c \uac70\ub294 \uacf3\uc774 \uc2dc\ub044\ub7ec\uc6b4 \uacf3\uc774\ub77c\uba74 \uc804\ud654\ubc88\ud638\ub97c \ub204\ub97c \ub54c \uc8fc\uc704\uc758 \uc7a1\uc74c \uc601\ud5a5\uc744 \ubc1b\uae30\uac00 \uc26c\uc6cc \uc804\ud654\ubc88\ud638\uac00 \uc81c\ub300\ub85c \uc804\ub2ec\ub418\uc9c0 \uc54a\uc744 \uac00\ub2a5\uc131\uc774 \ud06c\ub2e4. \uc774 \uac19\uc740 \ucde8\uc57d\uc810\uc744 \ub9c9\uae30 \uc704\ud574\uc11c \uc804\ud654\uae30\ub294 \uc804\ud654\ubc88\ud638\ub97c \uad50\ud658\uae30\uc5d0\uac8c \uc5b4\ub5a4 \ubc29\uc2dd\uc73c\ub85c \uc804\ub2ec\ud558\ub294\uac00?<\/p>\n

-> \uc804\ud654\uae30\uc5d0\uc11c \uad50\ud658\uae30\ub85c \uc804\ud654\ubc88\ud638\ub97c \uc804\ub2ec\ud558\ub294 \ubc29\uc2dd\uc740 \ud06c\uac8c \ub450\uac00\uc9c0\ub85c \ub098\ub20c \uc218 \uc788\ub2e4.
 DP \ubc29\uc2dd\uacfc PB \ubc29\uc2dd\uc774 \uadf8\uac83\uc774\ub2e4.
 DP \ubc29\uc2dd
 DP\ubc29\uc2dd\uc740 \ub2e4\uc774\uc5bc \uc778 \ud384\uc2a4(Dial in pulse) \uc2e0\ud638\uc758 \uc804\ub2ec \uc18d\ub3c4\uc5d0 \ub530\ub77c 10PPS(1\ucd08\uac04\uc5d0 10\ud384\uc2a4\ub97c \ubc1c\uc0dd)\uc640 20PPS(1\ucd08\uac04\uc5d0 20\ud384\uc2a4\ub97c \ubc1c\uc0dd) \ub450 \uc885\ub958\uac00 \uc788\ub2e4. 1 PPS\ub294 1\ucd08\uac04\uc5d0 1\uac1c \ud384\uc2a4\ub97c \ub0b4\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4. \uc6b0\ub9ac\ub098\ub77c\ub294 20 PPS\ub97c \uc0ac\uc6a9\ud558\uace0 \uc788\ub2e4.<\/p>\n

 PB\ubc29\uc2dd
 PB\ubc29\uc2dd \ub2e4\uc774\uc5bc \uc2e0\ud638\ub294 7\uac1c\uc758 \uc8fc\ud30c\uc218 \uc885\ub958 \uc911 2\uac1c \uc8fc\ud30c\uc218\uc758 \uc870\ud569\uc73c\ub85c \ub9cc\ub4e4\uc5b4\uc9c4\ub2e4. \uc989, \uc74c\uc131\ub300\uc5ed\ub0b4\uc758 \ub192\uc740 3\uac1c \uc8fc\ud30c\uc218(1209, 1336, 1447Hz)\uc640 \ub0ae\uc740 4\uac1c \uc8fc\ud30c\uc218(697, 770, 852, 941Hz) \uc911 \uac01\uac01\uc73c\ub85c\ubd80\ud130 \ud558\ub098\uc758 \uc8fc\ud30c\uc218\ub97c \uc120\uc815, \uc774\ub97c \uc870\ud569\ud574\uc11c 0\uc5d0\uc11c 9\uae4c\uc9c0\uc758 \uc22b\uc790\uc640 *\uc640 #\uc758 \uae30\ub2a5 \ubd80\ud638\ub85c \uc804\ud654\ub97c \uac70\ub294 \uac83\uc774\ub2e4. <\/p>\n

\uc774\ubd80\ubd84…\uc27d\uc9c0 \uc54a\ub2e4.. \ub450\uac1c\uc758 \uc8fc\ud30c\uc218\ub97c \uc870\ud569\ud574\uc11c \uc0ac\uc6a9\ud55c\ub2e4??? \ub098\uc911\uc5d0 \ub2e4\uc2dc..<\/p>\n

 5. 1\uc7a5\uc5d0\uc11c\ub294 \uae30\uc220\ubc1c\uc804\ud2b8\ub9ac \uc0c1\ub2e8\ubd80\uc758 \uc704\uce58\uc5d0 \uc788\uc744\uc218\ub85d \ub354 \uc88b\ub2e4\ub294 \ub17c\ub9ac\ub97c \ud3c8\ub2e4. \uae30\uc220 \ubc1c\uc804 \ud2b8\ub9ac \uc0c1\ub2e8\ubd80\uc5d0 \uc788\ub294 \uae30\uc220\uc790\uc5d0 \ub300\ud574 \uc0c1\ub300\uc801\uc73c\ub85c \ud2b8\ub9ac \ud558\ub2e8\ubd80\uc5d0 \uc788\ub294 \uae30\uc220\uc790\uac00 \ud56d\ubcc0\ud560 \uc218 \uc788\ub294 \ub17c\uac70\ub97c \ub300\ubcf4\uc790.
 -> \uc2e4\uc0dd\ud65c\uc5d0 \uae30\uc220\uc811\ubaa9\uc744 \uc27d\uac8c \ud560 \uc218 \uc788\ub2e4. \uc989, \uae30\uc220\uc758 \uc751\uc6a9\ub825\uacfc \uc801\uc6a9\ub825\uc774 \uc0c1\ub2e8\ubd80\uc5d0 \ube44\ud574 \uc5c4\uccad\ub09c \ud798\uc744 \ubc1c\ud718\ud55c\ub2e4. <\/p>\n","protected":false},"excerpt":{"rendered":"

 1. CPU\uc758 \uad00\uc810\uc5d0\uc11c \uc6d0\ud558\ub294 \uacf3\uc73c\ub85c \ud328\uce58\uc2dc\ud0a8\ub2e4\ub294 \uac83\uacfc \uac00\uc7a5 \uad00\ub828 \uc788\ub294 CPU\uc758 \ub808\uc9c0\uc2a4\ud130\ub294 \ubb34\uc5c7\uc778\uac00?-> CPU\uc758 \uad00\uc810\uc5d0\uc11c \ubc14\ub77c\ubcf8 “\uc6d0\ud558\ub294 \uacf3\uc73c\ub85c \ud328\uce58(Fetch) \uc2dc\ud0a8\ub2e4”\ub294 \uac83\uc740 \ud604\uc7ac \uc2e4\ud589\ud558\uace0 \uc788\ub294 \uba85\ub839 \ub2e4\uc74c\uc5d0 \uc5b4\ub5a4 \uba85\ub839\uc744 \uc2e4\ud589\uc2dc\ud0ac \uac83\uc778\uac00\uc640 \uad00\ub828\uc774 \uae4a\ub2e4. \ub530\ub77c\uc11c \ub2e4\uc74c\ubc88 \uba85\ub839\uc5b4\uc758 \uc8fc\uc18c\uac12\uc744 \uc800\uc7a5\ud558\uace0 \uc788\ub294 PC(Program Counter) … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[62],"tags":[779,809],"_links":{"self":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/954"}],"collection":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=954"}],"version-history":[{"count":0,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/954\/revisions"}],"wp:attachment":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=954"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}