{"id":315,"date":"2024-07-08T05:12:58","date_gmt":"2024-07-08T05:12:58","guid":{"rendered":"https:\/\/the.2days.kr\/?p=315"},"modified":"2024-07-08T05:12:58","modified_gmt":"2024-07-08T05:12:58","slug":"%ea%b8%b0%ec%96%b5%ec%9e%a5%ec%b9%98%ec%9d%98-%ea%b3%84%ec%b8%b5-%ea%b5%ac%ec%a1%b0-%ec%a3%bc%ea%b8%b0%ec%96%b5%ec%9e%a5%ec%b9%98%ec%9d%98-%ec%a2%85%eb%a5%98-%ec%ba%90%ec%8b%9c-%eb%a9%94%eb%aa%a8","status":"publish","type":"post","link":"https:\/\/the.2days.kr\/?p=315","title":{"rendered":"\uae30\uc5b5\uc7a5\uce58\uc758 \uacc4\uce35 \uad6c\uc870, \uc8fc\uae30\uc5b5\uc7a5\uce58\uc758 \uc885\ub958, \uce90\uc2dc \uba54\ubaa8\ub9ac, \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58"},"content":{"rendered":"
\n

\n
\n
\n<\/span>
\n<\/figure>\n<\/p>\n

\n \uc911\uc559\ucc98\ub9ac\uc7a5\uce58(CPU)\uac00 \uc5b4\ub5a4 \uc791\uc5c5\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub370\uc774\ud130\uc640 \uc774\ub97c \ucc98\ub9ac\ud560 \ud504\ub85c\uadf8\ub7a8\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uae30\uc5b5\uc7a5\uce58\ub294 \ub370\uc774\ud130\uc640 \ud504\ub85c\uadf8\ub7a8, \uc5f0\uc0b0\uc758 \uc911\uac04 \uacb0\uacfc \ub4f1\uc744 \uc77c\uc2dc\uc801 \ub610\ub294 \uc601\uad6c\uc801\uc73c\ub85c \uc800\uc7a5\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \uae30\uc5b5\uc7a5\uce58\uc758 \uacc4\uce35 \uad6c\uc870(Memory Hierarchy)
\n <\/b>\n<\/p>\n

\n \uae30\uc5b5\uc7a5\uce58\ub294 \uc811\uadfc \uc18d\ub3c4, \uae30\uc5b5 \uc6a9\ub7c9\uc758 \ud06c\uae30, \uc6a9\ub3c4\uc5d0 \ub530\ub77c \ub808\uc9c0\uc2a4\ud130, \uce90\uc2dc \uba54\ubaa8\ub9ac, \uc8fc\uae30\uc5b5\uc7a5\uce58, \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\ub85c \uad6c\ubd84\ud569\ub2c8\ub2e4. \ub808\uc9c0\uc2a4\ud130\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58 \ub0b4\uc5d0 \uc874\uc7ac\ud558\uba70, \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uc758 \ucc98\ub9ac \uc18d\ub3c4\uc640 \ube44\uc2b7\ud55c \uc811\uadfc \uc2dc\uac04(Access Time)\uc744 \uac00\uc9d1\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0 \uc811\uadfc \uc2dc \uc18d\ub3c4 \ucc28\uc774\ub97c \uc904\uc774\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub610\ud55c \uc2e4\ud589 \uc911\uc778 \ud504\ub85c\uadf8\ub7a8\uc758 \uba85\ub839\uc5b4\uc640 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uba70, \uae30\uc5b5 \uc6a9\ub7c9\uc740 \uc801\uc9c0\ub9cc \uc811\uadfc \uc2dc\uac04\uc774 \uc8fc\uae30\uc5b5\uc7a5\uce58\ubcf4\ub2e4 5~10\ubc30 \uc815\ub3c4 \ube60\ub985\ub2c8\ub2e4. \uc8fc\uae30\uc5b5\uc7a5\uce58\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \uc9c1\uc811 \ub370\uc774\ud130\ub97c \uc77d\uace0 \uc4f8 \uc218 \uc788\ub294 \uc7a5\uce58\ub85c, \ub808\uc9c0\uc2a4\ud130\ub098 \uce90\uc2dc \uba54\ubaa8\ub9ac\ubcf4\ub2e4 \uae30\uc5b5 \uc6a9\ub7c9\uc774 \ud07d\ub2c8\ub2e4. \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\ub294 \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0 \ube44\ud574 \uc811\uadfc \uc2dc\uac04\uc740 \ub290\ub9ac\uc9c0\ub9cc \uae30\uc5b5 \uc6a9\ub7c9\uc774 \ud07d\ub2c8\ub2e4. \uc811\uadfc \uc2dc\uac04\uc740 \uc8fc\uae30\uc5b5\uc7a5\uce58\ubcf4\ub2e4 \uc57d 1000\ubc30 \uc815\ub3c4 \ub290\ub9bd\ub2c8\ub2e4.\n <\/p>\n

\n \uae30\uc5b5\uc7a5\uce58\ub294 \uc77d\uace0 \uc4f0\ub294 \uc18d\ub3c4\uc5d0 \ube44\ub840\ud558\uc5ec \uac00\uaca9\uc774 \uc62c\ub77c\uac11\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubcf4\ud1b5 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ub41c \uae30\uc5b5\uc7a5\uce58\uc5d0\ub294 \uae30\uc5b5 \uc6a9\ub7c9\uc774 \uc791\uace0 \uc18d\ub3c4\uac00 \ube60\ub978 \ube44\uc2fc \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uace0, \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\uc5d0\ub294 \uc18d\ub3c4\ub294 \ub290\ub9ac\uc9c0\ub9cc \uac00\uaca9\uc774 \uc800\ub834\ud558\uace0 \uae30\uc5b5 \uc6a9\ub7c9\uc774 \ud070 \uac83\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc544\ub798\ub294 \uae30\uc5b5\uc7a5\uce58\uc758 \uacc4\uce35 \uad6c\uc870(Memory Hierarchy)\ub97c \ub098\ud0c0\ub0b8 \uc774\ubbf8\uc9c0\uc785\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uae30\uc5b5\uc7a5\uce58 \uacc4\uce35 \uad6c\uc870, \ucd9c\ucc98 Geeksforgeeks
\n <\/figcaption><\/figure>\n<\/p>\n

\n

\n \uae30\uc5b5\uc7a5\uce58\uc758 \uacc4\uce35 \uad6c\uc870\ub97c \uc0b4\ud3b4\ubcf4\uba74, \uc704\ub85c \uc62c\ub77c\uac08\uc218\ub85d \ub370\uc774\ud130\ub97c \uc77d\uace0 \uc4f0\ub294 \uc811\uadfc \uc18d\ub3c4\ub294 \ube68\ub77c\uc9c0\uc9c0\ub9cc, \uae30\uc5b5 \uc6a9\ub7c9\uc740 \uac10\uc18c\ud558\uace0 \ube44\ud2b8 \ub2f9 \uc800\uc7a5 \ube44\uc6a9\uc774 \uc0c1\uc2b9\ud569\ub2c8\ub2e4. \ub530\ub77c\uc11c \uae30\uc5b5\uc7a5\uce58\uc758 \uad6c\uc131 \ube44\uc6a9\uacfc \uc131\ub2a5\uc744 \uac10\uc548\ud558\uc5ec \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 \ub370\uc774\ud130\ub97c \uc0c1\uc704 \uacc4\uce35\uc5d0 \uc800\uc7a5\ud574\uc57c \uae30\uc5b5\uc7a5\uce58\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n \uc544\ub798 \uc774\ubbf8\uc9c0\ub294 \uae30\uc5b5\uc7a5\uce58\uc5d0\uc11c \uc815\ubcf4\uc758 \ud750\ub984\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\ub294 \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\uc5d0 \uc9c1\uc811 \uc811\uadfc\ud560 \uc218 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\uc5d0 \uc800\uc7a5\ub41c \ud504\ub85c\uadf8\ub7a8\uc744 \uc2e4\ud589\ud558\ub824\uba74 \ud504\ub85c\uadf8\ub7a8\uacfc \ub370\uc774\ud130\ub97c \uc8fc\uae30\uc5b5\uc7a5\uce58\ub85c \uc62e\uaca8\uc57c \ud569\ub2c8\ub2e4. \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \ud504\ub85c\uadf8\ub7a8\uacfc \ub370\uc774\ud130\ub97c \uc8fc\uae30\uc5b5\uc7a5\uce58\ub85c\ubd80\ud130 \ucc98\uc74c \uac00\uc838\uc62c \ub54c\ub294 \uc6b0\uc120 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub85c \uac00\uc838\uc635\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \ud544\uc694\ub85c \ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uacfc \ub370\uc774\ud130\uac00 \uce90\uc2dc \uba54\ubaa8\ub9ac\uc5d0\uc11c \ubc1c\uacac\ub418\uba74 \uc989\uc2dc \uac00\uc838\uc62c \uc218 \uc788\uc5b4 \uc811\uadfc \uc2dc\uac04\uc774 \ud06c\uac8c \ub2e8\ucd95\ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uae30\uc5b5\uc7a5\uce58\uc5d0\uc11c \uc815\ubcf4\uc758 \ud750\ub984
\n <\/figcaption><\/figure>\n<\/p>\n

\n

\n
\n \uc8fc\uae30\uc5b5\uc7a5\uce58
\n <\/b>\n<\/p>\n

\n \uc8fc\uae30\uc5b5\uc7a5\uce58\ub294 \ucef4\ud4e8\ud130\uac00 \ub3d9\uc791\ud558\ub294 \ub3d9\uc548 \ud504\ub85c\uadf8\ub7a8\uacfc \ub370\uc774\ud130, \uc5f0\uc0b0\uc758 \uc911\uac04 \uacb0\uacfc \ub4f1\uc744 \uc800\uc7a5\ud569\ub2c8\ub2e4. \uc8fc\uae30\uc5b5\uc7a5\uce58\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uc640 \uc9c1\uc811 \ub370\uc774\ud130\ub97c \uc8fc\uace0\ubc1b\uc744 \uc218 \uc788\ub3c4\ub85d \ub0b4\ubd80 \ubc84\uc2a4\ub85c \uc5f0\uacb0\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \uae30\uc5b5\uc7a5\uce58\ub294 \uc8fc\uae30\uc5b5\uc7a5\uce58\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4.\n <\/p>\n

\n \ucd08\uae30\uc758 \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0\ub294 \uc544\ub798\uc758 \uc0ac\uc9c4\uacfc \uac19\uc740 \uc790\uae30 \ucf54\uc5b4(Magnetic Core)\uac00 \ub110\ub9ac \uc0ac\uc6a9\ub418\uc5c8\uc73c\ub098, \ud604\uc7ac\ub294 \ubc18\ub3c4\uccb4 \uae30\uc5b5\uc7a5\uce58\ub97c \uc8fc\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ubcf4\ud3b8\uc801\uc778 \ubc18\ub3c4\uccb4 \uae30\uc5b5\uc7a5\uce58\ub85c\ub294 \ub7a8(RAM : Random Access Memory)\uacfc \ub86c(ROM : Read Only Memory)\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uc790\uae30 \ucf54\uc5b4, \ucd9c\ucc98 : \uc704\ud0a4\ud398\ub514\uc544
\n <\/figcaption><\/figure>\n<\/p>\n

\n

\n
\n \ub7a8(RAM)
\n <\/b>\n<\/p>\n

\n \ub7a8\uc740 \uc804\uc6d0 \uacf5\uae09\uc774 \uc911\ub2e8\ub418\uba74 \uc800\uc7a5\ub41c \uc815\ubcf4\uac00 \ubaa8\ub450 \uc9c0\uc6cc\uc9c0\ub294 \ud718\ubc1c\uc131 \uba54\ubaa8\ub9ac\ub85c \uc815\ubcf4\uc758 \uae30\ub85d\uacfc \ud574\ub3c5\uc744 \ud560 \uc218 \uc788\uc73c\uba70, \uc815\ubcf4\uc758 \uc800\uc7a5 \uc704\uce58\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc77c\uc815\ud55c \uc2dc\uac04 \ub0b4\uc5d0 \uc77d\uac70\ub098 \uc4f8 \uc218 \uc788\ub294 \uc784\uc758 \uc811\uadfc(Random Access) \uae30\uc5b5\uc7a5\uce58\uc785\ub2c8\ub2e4. \ub7a8\uc740 \uc81c\uc870 \uae30\uc220\uc5d0 \ub530\ub77c DRAM(Dynamic RAM)\uacfc SRAM(Static RAM)\uc73c\ub85c \uad6c\ubd84\ub429\ub2c8\ub2e4.\n <\/p>\n

\n DRAM\uc740 \ud2b8\ub79c\uc9c0\uc2a4\ud130 \ub0b4\uc758 \ucd95\uc804\uc9c0(Capacitor)\uc5d0 \ucda9\uc804\ub41c \uc804\ud558\ub97c \uc774\uc6a9\ud558\uc5ec \uc815\ubcf4\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \ucd95\uc804\uc9c0\uc5d0 \ucda9\uc804\ub41c \uc804\ud558\uc758 \uc874\uc7ac \uc720\ubb34\uc5d0 \ub530\ub77c 0\uacfc 1\ub85c \uad6c\ubd84\ud558\ub294\ub370, \ucd95\uc804\uc9c0\uc758 \uc804\ud558\ub294 \uc2dc\uac04\uc774 \uc9c0\ub098\uba74 \ubc29\uc804\ub418\ubbc0\ub85c \uc8fc\uae30\uc801\uc778 \uc7ac\ucda9\uc804(Refresh)\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. DRAM\uc740 \uac00\uaca9\uc774 \uc800\ub834\ud558\uace0 \uc804\ub825 \uc18c\ube44\uac00 \uc801\uc73c\uba70 \ub3d9\uc791 \uc18d\ub3c4\uac00 \ube60\ub974\uace0 \uc9d1\uc801\ub3c4\uac00 \ub192\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \ub300\uc6a9\ub7c9 \uba54\ubaa8\ub9ac\uc5d0 \uc801\ud569\ud558\uc5ec \uc8fc\uae30\uc5b5\uc7a5\uce58\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.\n <\/p>\n

\n SPARM\uc740 \ud50c\ub9bd\ud50c\ub86d(Flip-Flop) \uae30\uc5b5\uc18c\uc790\ub85c \uad6c\uc131\ub418\uba70 \uc804\uc6d0\uc774 \uacf5\uae09\ub418\ub294 \ub3d9\uc548 \uc815\ubcf4\uac00 \uacc4\uc18d \uc720\uc9c0\ub418\ubbc0\ub85c DRAM\ucc98\ub7fc \uc8fc\uae30\uc801\uc778 \uc7ac\ucda9\uc804\uc774 \ud544\uc694 \uc5c6\uc2b5\ub2c8\ub2e4. SRAM\uc740 DRAM\uc5d0 \ube44\ud574 \ud68c\ub85c\uac00 \ubcf5\uc7a1\ud558\uace0 \uc804\ub825 \uc18c\ubaa8\uac00 \ud06c\uba70 \uac00\uaca9\uc774 \ube44\uc2f8\ub2e4\ub294 \ub2e8\uc810\uc774 \uc788\uc9c0\ub9cc \ub3d9\uc791 \uc18d\ub3c4\uac00 \ube68\ub77c \uce90\uc2dc \uba54\ubaa8\ub9ac\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \ub7a8\uc758 \uc0ac\uc9c4, \ucd9c\ucc98 : \uc704\ud0a4\ud398\ub514\uc544
\n <\/figcaption><\/figure>\n<\/p>\n

\n

\n
\n \ub86c(ROM)
\n <\/b>\n<\/p>\n

\n \ub86c\uc740 \uc800\uc7a5\ub41c \ud504\ub85c\uadf8\ub7a8\uacfc \ub370\uc774\ud130\ub97c \uc77d\uae30\ub9cc \ud558\ub294 \uae30\uc5b5\uc7a5\uce58\ub85c \uc804\uc6d0\uc774 \uacf5\uae09\ub418\uc9c0 \uc54a\uc544\ub3c4 \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \uc601\uad6c\uc801\uc73c\ub85c \ubcf4\uc874\ud560 \uc218 \uc788\ub294 \ube44\ud718\ubc1c\uc131 \uba54\ubaa8\ub9ac\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uc2dc\uc2a4\ud15c \ub3d9\uc791 \uc911 \ubcc0\ud558\uc9c0 \uc54a\ub294 \ud504\ub85c\uadf8\ub7a8\uc774\ub098 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub610\ud55c \ubd80\ud305 \uc2dc \uc2dc\uc2a4\ud15c\uc744 \uc810\uac80\ud558\uace0 \uc8fc\ubcc0 \uc7a5\uce58\ub97c \ucd08\uae30\ud654\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \ub86c\uc740 \uc8fc\ub85c \uc785\ucd9c\ub825 \uc2dc\uc2a4\ud15c\uc758 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\ub294 \ubc14\uc774\uc624\uc2a4(BIOS : Basic Input Output System)\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.\n <\/p>\n

\n \ub86c\uc740 \uc815\ubcf4\uc758 \uae30\ub85d \ud69f\uc218\uc640 \uc800\uc7a5 \ubc29\uc2dd\uc5d0 \ub530\ub77c \uc544\ub798\uc758 \uadf8\ub9bc\uacfc \uac19\uc774 \ub9c8\uc2a4\ud06c ROM(Mask ROM), PROM(Programmable ROM), EPROM(Erasable PROM), EEPROM(Electrically Erasable PROM)\uc73c\ub85c \uad6c\ubd84\ub429\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \ub86c\uc758 \uc885\ub958, \ucd9c\ucc98 : What Is Computer
\n <\/figcaption><\/figure>\n<\/p>\n

\n \ub9c8\uc2a4\ud06c ROM\uc740 ROM\uc744 \uc81c\uc791\ud560 \ub54c \uacf5\uc7a5\uc5d0\uc11c \ubbf8\ub9ac \uc815\ubcf4\ub97c \uae30\ub85d\ud558\uc5ec \uc0dd\uc0b0\ud558\uae30 \ub54c\ubb38\uc5d0 \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \ubcc0\uacbd\ud560 \uc218\ub294 \uc5c6\uc9c0\ub9cc \ub300\ub7c9 \uc0dd\uc0b0\uc5d0\ub294 \uc801\ud569\ud569\ub2c8\ub2e4.\n <\/p>\n

\n PROM\uc740 \uc81c\uc870 \uacfc\uc815\uc5d0\uc11c \uc800\uc7a5\ub41c \uc815\ubcf4\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uc0ac\uc6a9\uc790\uac00 PROM Writer\ub77c\ub294 \uc7a5\uce58\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc6d0\ud558\ub294 \uc815\ubcf4\ub97c \ud55c \ubc88\ub9cc \uc4f8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n EPROM\uc740 \uc0ac\uc6a9\uc790\uac00 \uc790\uc678\uc120\uc744 \uc774\uc6a9\ud558\uc5ec \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \uc9c0\uc6b4 \ud6c4 \ub2e4\uc2dc \uc0c8\ub85c\uc6b4 \uc815\ubcf4\ub97c \uae30\ub85d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. PROM\uc5d0 \ube44\ud574 \uac00\uaca9\uc740 \ube44\uc2f8\uc9c0\ub9cc \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \uc5ec\ub7ec \ubc88 \uc4f0\uace0 \uc9c0\uc6b8 \uc218 \uc788\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n EEPROM\uc740 \uc804\uae30\uc801\uc778 \ud384\uc2a4\ub97c \uc774\uc6a9\ud558\uc5ec \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \uc9c0\uc6b8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. EPROM\ucc98\ub7fc \uc5ec\ub7ec \ubc88 \uc4f8 \uc218 \uc788\uace0, \uc4f0\uae30 \uc804\uc5d0 \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \uc9c0\uc6b8 \ud544\uc694\uac00 \uc5c6\ub2e4\ub294 \uc810\uc5d0\uc11c \ud3b8\ub9ac\ud558\ub2e4\ub294 \uc7a5\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac(Flash Memory)
\n <\/b>\n<\/p>\n

\n \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc804\ub825 \uc18c\ube44\uac00 \uc801\uc73c\uba70, \uc804\uc6d0\uc774 \uacf5\uae09\ub418\uc9c0 \uc54a\uc544\ub3c4 \uc800\uc7a5\ub41c \uc815\ubcf4\uac00 \ubcf4\uc874\ub418\ub294 \ube44\ud718\ubc1c\uc131 \uba54\ubaa8\ub9ac\uc785\ub2c8\ub2e4. \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc804\uae30\uc801\uc778 \ucc98\ub9ac\ub85c \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \uc9c0\uc6b8 \uc218 \uc788\ub2e4\ub294 \uc810\uc5d0\uc11c EEPROM\uacfc \uc720\uc0ac\ud558\uc9c0\ub9cc, \ud55c \ubc88\uc5d0 1\ubc14\uc774\ud2b8\uc529 \uc9c0\uc6b0\ub294 EEPROM\uacfc \ub2ec\ub9ac \ube14\ub85d \ub2e8\uc704\ub85c \uc9c0\uc6c1\ub2c8\ub2e4. \uc815\ubcf4\uc758 \uc785\ucd9c\ub825\uc774 \uc790\uc720\ub85c\uc6cc \uc544\ub798\uc758 \uc774\ubbf8\uc9c0\uc640 \uac19\uc774 USB \uba54\ubaa8\ub9ac(USB Flash Drive), \uba54\ubaa8\ub9ac \uce74\ub4dc, \ub514\uc9c0\ud138\uce74\uba54\ub77c, \ub514\uc9c0\ud138 \ucea0\ucf54\ub354, PDA, MP3 \ud50c\ub808\uc774\uc5b4 \ub4f1\uc5d0 \ud3ed\ub113\uac8c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc800\uc7a5 \uc6a9\ub7c9\uc774 \ud070 \ub370\uc774\ud130 \uc800\uc7a5\ud615(NAND)\uacfc \ucc98\ub9ac \uc18d\ub3c4\uac00 \ube60\ub978 \ucf54\ub4dc \uc800\uc7a5\uc6a9(NOR)\uc73c\ub85c \uad6c\ubd84\ub429\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\uc758 \uc6a9\ub3c4 USB \uba54\ubaa8\ub9ac, \ucd9c\ucc98 : \uc704\ud0a4\ud398\ub514\uc544
\n <\/figcaption><\/figure>\n
\n
\n
\n<\/span>
\n \ud50c\ub798\uc2dc \uba54\ubaa8\ub9ac\uc758 \uc6a9\ub3c4 SD \uce74\ub4dc, \ucd9c\ucc98 : \uc704\ud0a4\ud398\ub514\uc544
\n <\/figcaption><\/figure>\n<\/p>\n

\n

\n
\n \uce90\uc2dc \uba54\ubaa8\ub9ac(Cache Memory)
\n <\/b>
\n
\n<\/b>\n<\/p>\n

\n \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\ub294 \uc8fc\uae30\uc5b5\uc7a5\uce58\ubcf4\ub2e4 \uc18d\ub3c4\uac00 \ube60\ub974\uae30 \ub54c\ubb38\uc5d0, \uc8fc\uae30\uc5b5\uc7a5\uce58\ub85c\ubd80\ud130 \ud504\ub85c\uadf8\ub7a8\uc774\ub098 \ub370\uc774\ud130\ub97c \uac00\uc838\uc624\ub824\uba74 \ub9ce\uc740 \uc2dc\uac04\uc774 \uc18c\uc694\ub429\ub2c8\ub2e4. \uc774\ub54c \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uc5d0\uc11c \uc8fc\uae30\uc5b5\uc7a5\uce58\ub85c\uc758 \uae34 \uc811\uadfc \uc2dc\uac04\uc73c\ub85c \uc778\ud574 \uc131\ub2a5\uc774 \uc800\ud558\ub418\ub294 \uac83\uc744 \ubc29\uc9c0\ud569\ub2c8\ub2e4. \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uc640 \uc8fc\uae30\uc5b5\uc7a5\uce58 \uc0ac\uc774\uc5d0 \uc874\uc7ac\ud569\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uce90\uc2dc \uba54\ubaa8\ub9ac(Cache Memory), \ucd9c\ucc98 : CBR(Computer Business Review)
\n <\/figcaption><\/figure>\n<\/p>\n

\n \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc8fc\uae30\uc5b5\uc7a5\uce58\uc758 \ub0b4\uc6a9 \uc911 \uc77c\ubd80\ub9cc\uc744 \uc800\uc7a5\ud569\ub2c8\ub2e4. \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\ub294 \uc8fc\uae30\uc5b5\uc7a5\uce58\ub85c\ubd80\ud130 \ud504\ub85c\uadf8\ub7a8\uc774\ub098 \ub370\uc774\ud130\ub97c \uac00\uc838\uc62c \ub54c \uc6b0\uc120\uc801\uc73c\ub85c \uc6d0\ud558\ub294 \uc815\ubcf4\uac00 \uce90\uc2dc \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294\uc9c0 \uac80\uc0ac\ud569\ub2c8\ub2e4. \ub9cc\uc57d \uc6d0\ud558\ub294 \uc815\ubcf4\uac00 \uce90\uc2dc \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\uba74 \uc989\uc2dc \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\ub85c \uc77d\uc5b4\uc624\uace0, \uc874\uc7ac\ud558\uc9c0 \uc54a\uc73c\uba74 \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0\uc11c \uce90\uc2dc \uba54\ubaa8\ub9ac\ub85c \uc800\uc7a5\ud55c \ud6c4 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\ub85c \uc77d\uc5b4 \uc635\ub2c8\ub2e4.\n <\/p>\n

\n \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \ud544\uc694\ub85c \ud558\ub294 \uc815\ubcf4\uac00 \uce90\uc2dc \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud558\ub294 \uc0c1\ud669\uc744 \uce90\uc2dc \uc801\uc911(Cache Hit)\uc774\ub77c\uace0 \ud558\uace0, \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uc0c1\ud669\uc744 \uce90\uc2dc \ubbf8\uc2a4(Cache Miss)\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc6d0\ud558\ub294 \uc815\ubcf4\uac00 \uce90\uc2dc \uba54\ubaa8\ub9ac\uc5d0 \uc874\uc7ac\ud560 \ud655\ub960\uc744 \ub098\ud0c0\ub0b4\ub294 \uce90\uc2dc \uc801\uc911\ub960(Hit Ratio)\uc740 \uc544\ub798\uc640 \uac19\uc774 \uc815\uc758\ud558\uba70, \uce90\uc2dc \uc801\uc911\ub960\uc774 \ub192\uc744\uc218\ub85d \uc131\ub2a5\uc774 \uc6b0\uc218\ud55c \uac83\uc73c\ub85c \uc815\ub9ac\ud569\ub2c8\ub2e4.\n <\/p>\n\n\n\n
\n \uce90\uc2dc \uc801\uc911\ub960(H) = \uce90\uc2dc \uc801\uc911 \ud69f\uc218\/\uc804\uccb4 \uae30\uc5b5\uc7a5\uce58 \ucc38\uc870 \ud69f\uc218\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n \uce90\uc2dc \uba54\ubaa8\ub9ac\ub97c \uc0ac\uc6a9\ud558\uba74 \uae30\uc5b5\uc7a5\uce58\uc758 \ud3c9\uade0 \uc811\uadfc \uc2dc\uac04\uc774 \uc0c1\ub2f9\ud788 \uac1c\uc120\ub429\ub2c8\ub2e4. \uce90\uc2dc \uba54\ubaa8\ub9ac\ub97c \uc0ac\uc6a9\ud560 \ub54c \uae30\uc5b5\uc7a5\uce58\uc758 \uc720\ud6a8 \uc811\uadfc \uc2dc\uac04\uc740 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.\n <\/p>\n\n\n\n
\n \uc720\ud6a8 \uc811\uadfc \uc2dc\uac04(Effectove Access Time) = (H x \uae30\uc5b5\uc7a5\uce58 \uc811\uadfc \uc2dc\uac04) + ((1-H) x\uae30\uc5b5\uc7a5\uce58 \uc811\uadfc \uc2dc\uac04)\n <\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\n \uc544\ub798\uc758 \uadf8\ub9bc\uacfc \uac19\uc774 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294 \uc8fc\ub85c \uacc4\uce35 \uad6c\uc870\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. L1 \uce90\uc2dc\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58 \ub0b4\ubd80\uc5d0 \uc704\uce58\ud558\uc5ec \ub0b4\ubd80 \uce90\uc2dc\ub77c\uace0\ub3c4 \ud558\ub294\ub370, \uba85\ub839\uc5b4 \ucc98\ub9ac\uc5d0 \ud544\uc694\ud55c \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uc5ec \uba85\ub839\uc5b4 \ucc98\ub9ac \uc2dc\uac04\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4. L2 \uce90\uc2dc\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58 \uc678\ubd80\uc5d0 \uc704\uce58\ud558\uba70 \uba85\ub839\uc5b4\uac00 \ucc98\ub9ac\ud558\ub294 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\uae30 \uc704\ud574 \ub3d9\uc791 \uc18d\ub3c4\uac00 \ube60\ub978 SRAM\uc774 \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. L2 \uce90\uc2dc\uc758 \uc6a9\ub7c9\uc774 \ud074\uc218\ub85d \ucef4\ud4e8\ud130 \uc2dc\uc2a4\ud15c \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4. L3 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub3c4 \ub3d9\uc77c\ud55c \uc6d0\ub9ac\ub85c \uc791\ub3d9\ud558\uc9c0\ub9cc \uc694\uc998\uc758 \ud504\ub85c\uc138\uc11c\uc5d0\uc11c\ub294 L3 \uc774\uc0c1\uc758 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub97c \ub2ec\uace0 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ucda9\ubd84\ud788 L2 \uce90\uc2dc\ub85c \ucee4\ubc84\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uce90\uc2dc \uba54\ubaa8\ub9ac\uc758 \uacc4\uce35\ud654, \ucd9c\ucc98 : Brown.edu
\n <\/figcaption><\/figure>\n<\/p>\n

\n

\n
\n \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58
\n <\/b>\n<\/p>\n

\n \uc8fc\uae30\uc5b5\uc7a5\uce58\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \ud604\uc7ac \uc2e4\ud589\ud558\ub294 \ud504\ub85c\uadf8\ub7a8\uacfc \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \uc8fc\uae30\uc5b5\uc7a5\uce58\ub294 \uac00\uaca9\uc774 \ube44\uc2f8\uace0 \uae30\uc5b5 \uc6a9\ub7c9\uc774 \uc81c\ud55c\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c, \uc811\uadfc \uc18d\ub3c4\ub294 \ub290\ub9ac\uc9c0\ub9cc \uac00\uaca9\uc774 \uc800\ub834\ud558\uace0 \ub9ce\uc740 \uc591\uc758 \uc815\ubcf4\ub97c \uc800\uc7a5\ud560 \uc218 \uc788\ub294 \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uc640 \uc9c1\uc811 \uc815\ubcf4\ub97c \uc8fc\uace0\ubc1b\uc744 \uc218 \uc5c6\uc9c0\ub9cc, \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uac00 \ucc98\ub9ac\ud560 \ud504\ub85c\uadf8\ub7a8\uc774\ub098 \ub370\uc774\ud130\ub97c \uc601\uad6c\uc801\uc73c\ub85c \uc800\uc7a5\ud560 \uc218 \uc788\ub294 \ub300\uc6a9\ub7c9\uc758 \uc800\uc7a5\uc7a5\uce58\uc785\ub2c8\ub2e4.\n <\/p>\n

\n \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\ub294 \uc800\uc7a5\ub41c \uc815\ubcf4\uc758 \uc811\uadfc \ubc29\uc2dd\uc5d0 \ub530\ub77c \uc21c\ucc28 \uc811\uadfc \uae30\uc5b5\uc7a5\uce58(SASD : Sequential Access Storage Device)\uc640 \uc9c1\uc811 \uc811\uadfc \uae30\uc5b5\uc7a5\uce58(DASD : Direct Access Storage Device)\ub85c \uad6c\ubd84\ud569\ub2c8\ub2e4. \uc21c\ucc28\uc811\uadfc \uae30\uc5b5\uc7a5\uce58\ub294 \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \uc21c\ucc28\uc801\uc73c\ub85c \uc77d\uac70\ub098 \uc501\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc6d0\ud558\ub294 \uc815\ubcf4\ub97c \ucc3e\uc744 \ub54c\uae4c\uc9c0 \uc55e\uc5d0 \uc704\uce58\ud55c \ubaa8\ub4e0 \uc815\ubcf4\ub97c \uc77d\uc5b4\uc57c \ud558\ubbc0\ub85c, \uc811\uadfc \uc2dc\uac04\uc774 \uc218\ucd08\uc5d0\uc11c \uc218\ubd84\uc5d0 \ub2ec\ud569\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uc21c\ucc28\uc811\uadfc \uae30\uc5b5\uc7a5\uce58\uc5d0\ub294 \uc790\uae30 \ud14c\uc774\ud504(Magnetic Tape)\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ud55c\ud3b8 \uc9c1\uc811\uc811\uadfc \uae30\uc5b5\uc7a5\uce58\ub294 \uc815\ubcf4\uc758 \uc800\uc7a5 \uc704\uce58\uc5d0 \uad00\uacc4\uc5c6\uc774 \uc784\uc758\uc758 \uc8fc\uc18c\uc5d0 \uc9c1\uc811 \uc811\uadfc\ud558\uc5ec \uc815\ubcf4\ub97c \uc77d\uace0 \uc4f8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c1\uc811\uc811\uadfc \uae30\uc5b5\uc7a5\uce58\uc758 \uc811\uadfc \uc2dc\uac04\uc740 \uba87\ucc9c\ubd84\uc758 1\ucd08 \uc218\uc900\uc774\uc9c0\ub9cc, \uc8fc\uae30\uc5b5\uc7a5\uce58\uc758 \uc811\uadfc \uc2dc\uac04\uc5d0 \ube44\ud558\uba74 \uc218\ubc31~\uc218\ucc9c \ubc30\ub294 \ub290\ub9b0 \uc218\uc900\uc785\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uc9c1\uc811\uc811\uadfc \uae30\uc5b5\uc7a5\uce58\uc5d0\ub294 \uc790\uae30 \ub514\uc2a4\ud06c(Magnetic Disk)\uc640 \uad11 \ub514\uc2a4\ud06c(CD-ROM, DVD) \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \uc790\uae30 \ud14c\uc774\ud504
\n <\/b>\n<\/p>\n

\n \uc790\uae30 \ud14c\uc774\ud504\ub294 \uc790\ud654 \ubb3c\uc9c8\uc778 \uc0b0\ud654\ucca0\uc774 \ucf54\ub529\ub418\uc5b4 \uc788\ub294 \ud3f4\ub9ac\uc5d0\uc2a4\ud130 \ud544\ub984 \ud45c\uba74\uc5d0 \uc790\uc131\uc744 \ub764 \uc810\uc758 \ud615\ud0dc\ub85c 0\uacfc 1\uc758 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uc544\ub798\uc758 \uc0ac\uc9c4\uacfc \uac19\uc774 \ub9b4(Reel)\uc5d0 \uac10\uc544\uc11c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uc790\uae30 \ud14c\uc774\ud504, \ucd9c\ucc98 : \uc704\ud0a4\ud398\ub514\uc544
\n <\/figcaption><\/figure>\n<\/p>\n

\n \uc790\uae30 \ud14c\uc774\ud504\ub294 \uac01 \ud2b8\ub799(Track)\uc5d0 1\ube44\ud2b8\ub97c \uae30\ub85d\ud558\uace0, 1\uc778\uce58\ub2f9 \uc800\uc7a5\ud560 \uc218 \uc788\ub294 \ubc14\uc774\ud2b8 \uc218(BPI : Byte Per Inch)\ub85c \uae30\ub85d \ubc00\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc77d\uae30\/\uc4f0\uae30 \ud5e4\ub4dc(Read\/Write Head)\ub294 \ub370\uc774\ud130\ub97c \uae30\ub85d\ud558\uace0 \uc77d\uc744 \uc218 \uc788\ub3c4\ub85d \uac01 \ud2b8\ub799\ub9c8\ub2e4 \ud558\ub098\uc529 \uc124\uce58\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc544\ub798\uc758 \uadf8\ub9bc\uc740 \uc790\uae30 \ud14c\uc774\ud504\uc758 \ud2b8\ub799 \uad6c\uc131\uacfc \ub370\uc774\ud130\uc758 \uc800\uc7a5 \ud615\ud0dc\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uc790\uae30 \ud14c\uc774\ud504\uc758 \ud2b8\ub799 \uad6c\uc131\uacfc \ub370\uc774\ud130\uc758 \uc800\uc7a5 \ud615\ud0dc, \ucd9c\ucc98 : TheFreeDictionary
\n <\/figcaption><\/figure>\n<\/p>\n

\n

\n
\n \uc790\uae30 \ub514\uc2a4\ud06c
\n <\/b>\n<\/p>\n

\n \uc790\uae30 \ub514\uc2a4\ud06c\ub294 \uc790\uc131\uccb4\ub97c \ucf54\ud305\ud55c \uc6d0\ud615\uc758 \ud50c\ub77c\uc2a4\ud2f1\uc774\ub098 \uae08\uc18d\ud310\uc5d0 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\uba70, \uc790\uae30 \ud14c\uc774\ud504\uc640 \ub2ec\ub9ac \uc21c\ucc28 \uc811\uadfc\uacfc \uc9c1\uc811 \uc811\uadfc\uc774 \ubaa8\ub450 \uac00\ub2a5\ud569\ub2c8\ub2e4. \uc885\ub958\uc5d0\ub294 \uc587\uc740 \ud50c\ub77c\uc2a4\ud2f1 \ud310\uc5d0 \uc791\uc740 \uc6a9\ub7c9\uc758 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\ub294 \ud50c\ub85c\ud53c \ub514\uc2a4\ud06c(Floppy Disk)\uc640 \uae08\uc18d\ud310\uc5d0 \ub300\uc6a9\ub7c9\uc758 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\ub294 \ud558\ub4dc \ub514\uc2a4\ud06c(Hard Disk)\uac00 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n
\n<\/span>
\n
\n
\n<\/span>\n<\/div>
\n \ud558\ub4dc \ub514\uc2a4\ud06c(\uc67c\ucabd)\uc640 \ud50c\ub85c\ud53c \ub514\uc2a4\ud06c(\uc624\ub978\ucabd), \ucd9c\ucc98 : \uc704\ud0a4\ud398\ub514\uc544
\n <\/figcaption><\/figure>\n<\/p>\n

\n \uc790\uae30 \ub514\uc2a4\ud06c\uc5d0\uc11c \ub370\uc774\ud130\uac00 \uc800\uc7a5\ub418\ub294 \uc6d0\ud615 \uae08\uc18d\ud310\uc744 \ud50c\ub798\ud130(Platter)\ub77c\uace0 \ud558\uace0, \ud50c\ub798\ud130 \uc0c1\uc758 \ub3d9\uc2ec\uc6d0\uc744 \ud2b8\ub799(Track)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \ud2b8\ub799\uc744 \ub3d9\uc77c\ud55c \ud06c\uae30\ub85c \ub098\ub208 \uac83\uc744 \uc139\ud130(Sector)\ub77c\uace0 \ud558\uba70, \ud68c\uc804\ucd95\uc73c\ub85c\ubd80\ud130 \ub3d9\uc77c\ud55c \uac70\ub9ac\uc5d0 \uc787\ub294 \ud2b8\ub799\uc758 \ubaa8\uc784\uc744 \uc2e4\ub9b0\ub354(Cylinder)\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc790\uae30 \ub514\uc2a4\ud06c\uc758 \uad6c\uc870\ub294 \uc544\ub798\uc640 \uac19\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uc790\uae30 \ub514\uc2a4\ud06c\uc758 \uad6c\uc870, \ucd9c\ucc98 : Preplnsta
\n <\/figcaption><\/figure>\n<\/p>\n

\n \uc790\uae30 \ub514\uc2a4\ud06c\ub294 \uac01 \ub514\uc2a4\ud06c \uba74\ub9c8\ub2e4 \ud558\ub098\uc758 \uc77d\uae30\/\uc4f0\uae30(Read\/Write) \ud5e4\ub4dc\ub97c \uac00\uc9c0\uace0 \uc788\uc73c\uba70, \uc561\uc138\uc2a4 \uc554(Access Arm)\uc744 \uc6c0\uc9c1\uc5ec\uc11c \uc6d0\ud558\ub294 \uc704\uce58\uae4c\uc9c0 \ucc3e\uc544\uac11\ub2c8\ub2e4.\n <\/p>\n

\n \uc790\uae30 \ub514\uc2a4\ud06c\uc5d0 \uc800\uc7a5\ub41c \ub370\uc774\ud130\ub97c \ud310\ub3c5\ud558\uac70\ub098 \uae30\ub85d\ud558\ub824\uba74, \ub370\uc774\ud130\uac00 \uc800\uc7a5\ub41c \ud2b8\ub799\uae4c\uc9c0 \uc561\uc138\uc2a4 \uc554\uc744 \uc774\ub3d9\uc2dc\ud0a8 \ud6c4, \ucc3e\ub294 \ub370\uc774\ud130\uc758 \uc800\uc7a5 \uc704\uce58\uac00 \uc77d\uae30\/\uc4f0\uae30 \ud5e4\ub4dc\uc758 \uc544\ub798\uc5d0 \uc62c \ub54c\uae4c\uc9c0 \uae30\ub2e4\ub824\uc57c \ud569\ub2c8\ub2e4. \uc774\uc640 \uac19\uc774 \ud2b9\uc815 \ub370\uc774\ud130\ub97c \ucc3e\uae30 \uc704\ud574 \uc561\uc138\uc2a4 \uc554\uc774 \ud2b8\ub799\uae4c\uc9c0 \uc774\ub3d9\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \ud0d0\uc0c9 \uc2dc\uac04(Seek Time)\uc774\ub77c\uace0 \ud558\uba70, \ud68c\uc804\ud558\ub294 \ub514\uc2a4\ud06c\uc5d0\uc11c \ucc3e\ub294 \ub370\uc774\ud130\uc758 \uc800\uc7a5 \uc704\uce58\uac00 \ud5e4\ub4dc\uae4c\uc9c0 \uc624\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \ud68c\uc804 \uc9c0\uc5f0 \uc2dc\uac04(Rotational Delay Time)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ucc3e\uc740 \ub370\uc774\ud130\ub97c \uc8fc\uae30\uc5b5\uc7a5\uce58\uc5d0 \uc804\uc1a1\ud558\ub294 \ub370 \uac78\ub9ac\ub294 \uc2dc\uac04\uc744 \ub370\uc774\ud130 \uc804\uc1a1 \uc2dc\uac04(Data Transfer Time)\uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \ub2e4\uc2dc \ub9d0\ud574 \ub514\uc2a4\ud06c \uc811\uadfc \uc2dc\uac04(Access Time)\uc740 \ud0d0\uc0c9 \uc2dc\uac04, \ud68c\uc804 \uc9c0\uc5f0 \uc2dc\uac04, \ub370\uc774\ud130 \uc804\uc1a1 \uc2dc\uac04\uc758 \ud569\uc785\ub2c8\ub2e4.\n <\/p>\n

\n

\n
\n \uad11 \ub514\uc2a4\ud06c(Optical Disc)
\n <\/b>\n<\/p>\n

\n \uad11 \ub514\uc2a4\ud06c\ub294 \ub808\uc774\uc800 \uad11\uc120\uc744 \uc774\uc6a9\ud558\uc5ec \uc6d0\ubc18 \ud45c\uba74\uc5d0 \ubb38\uc11c, \uc74c\uc131, \ud654\uc0c1 \ub4f1\uc758 \uc815\ubcf4\ub97c \ub514\uc9c0\ud138 \ubd80\ud638\ub85c \ubcc0\ud654\ud558\uc5ec \uae30\ub85d\ud558\uace0 \uc7ac\uc0dd\ud558\ub294 \uae30\uc5b5\uc7a5\uce58\uc785\ub2c8\ub2e4. \uad11\ub514\uc2a4\ud06c\ub294 \ub808\uc774\uc800 \uae30\uc220\uc758 \ubc1c\ub2ec\uacfc \ud568\uaed8 1980\ub144\ub300 \ucd08\uc5d0 \uc2e4\uc6a9\ud654\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uad11 \ub514\uc2a4\ud06c\ub294 \uc815\ubcf4\ub97c \uc2e0\uc18d\ud558\uac8c \uc77d\uc744 \uc218 \uc788\uace0, \ub300\ub7c9\uc758 \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\uace0 \uc601\uad6c\uc801\uc73c\ub85c \ubcf4\uc874\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uad11 \ub514\uc2a4\ud06c \uc800\uc7a5 \ub9e4\uccb4\ub85c\ub294 CD(Compact Disk), DVD(Digital Video Disk, Digital Versatile Disk), LD(Laser Disk) \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ucc28\uc138\ub300 \uaddc\uaca9\uc73c\ub85c \ube14\ub8e8\ub808\uc774 \ub514\uc2a4\ud06c(Blu-Ray Disk)\ub3c4 \uc788\uc73c\uba70 \ube14\ub8e8\ub808\uc774 \ub514\uc2a4\ud06c\ub294 \uc801\uc0c9 \ub808\uc774\uc800\ub97c \uc0ac\uc6a9\ud558\ub294 CD\ub098 DVD\uc640 \ub2ec\ub9ac \uccad\uc0c9 \ub808\uc774\uc800\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ube14\ub8e8\ub808\uc774 \ub514\uc2a4\ud06c\ub294 \uae30\uc874 \uad11 \ub514\uc2a4\ud06c \uc800\uc7a5 \ub9e4\uccb4\ubcf4\ub2e4 \ub300\uc6a9\ub7c9\uc758 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n
\n
\n<\/span>
\n \uad11 \ub514\uc2a4\ud06c\uc758 \uc885\ub958, \ucd9c\ucc98 : Digital Thinker Help
\n <\/figcaption><\/figure>\n<\/p>\n

\n \uad11 \ub514\uc2a4\ud06c\uc758 \uc815\ubcf4 \uae30\ub85d \ubc0f \uc7ac\uc0dd \ubc29\ubc95\uc740 \uc720\ub9ac\ub098 \ud50c\ub77c\uc2a4\ud2f1 \uc6d0\ubc18\uc5d0 \uc587\uc740 \uae08\uc18d\ub9c9\uc744 \uc50c\uc6b4 \ud6c4, \ub514\uc2a4\ud06c \ud45c\uba74\uc5d0 \ub808\uc774\uc800 \uad11\uc120\uc744 \uc3d8\uc544 \ud0dc\uc6b4 \ubd80\ubd84\uacfc \uadf8\ub807\uc9c0 \uc54a\uc740 \ubd80\ubd84\uc73c\ub85c \ub098\ub204\uc5b4 \uc815\ubcf4\ub97c \uae30\ub85d\ud569\ub2c8\ub2e4. \uae30\ub85d\ub41c \uc815\ubcf4\ub294 \ub808\uc774\uc800 \uad11\uc120\uc744 \ub514\uc2a4\ud06c \ud45c\uba74\uc5d0 \uc3d8\uc544 \ubc18\uc0ac\uc2dc\ud0a8 \ub4a4 \ubc18\uc0ac\ub41c \ube5b\uc744 \uad11 \ub2e4\uc774\uc624\ub4dc\ub85c \ubc1b\uc544 \uc77d\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n \uad11 \ub514\uc2a4\ud06c\ub294 \ub370\uc774\ud130\uc758 \uae30\ub85d \uac00\ub2a5 \uc5ec\ubd80\uc5d0 \ub530\ub77c \ud310\ub3c5\ud615 \ub514\uc2a4\ud06c(Readable Disk), \ud310\ub3c5\/\uae30\ub85d\ud615 \ub514\uc2a4\ud06c(WORM : Write Once Read Many), \uc7ac\uae30\ub85d\ud615 \ub514\uc2a4\ud06c(Rewritable Disk)\ub85c \uad6c\ubd84\ub429\ub2c8\ub2e4. \ud310\ub3c5\ud615 \ub514\uc2a4\ud06c\ub294 \uae30\ub85d\ub41c \uc815\ubcf4\uc758 \ud310\ub3c5\ub9cc \uac00\ub2a5\ud558\uba70, \uc885\ub958\ub85c\ub294 CD-ROM, BD-ROM \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ud310\ub3c5\/\uae30\ub85d\ud615 \ub514\uc2a4\ud06c\ub294 \ub370\uc774\ud130\ub97c \ud55c \ubc88\ub9cc \uae30\ub85d\ud560 \uc218 \uc788\uace0, \uc774\ud6c4\uc5d0\ub294 \uc815\ubcf4\ub97c \uc77d\uc744 \uc218\ub9cc \uc788\uc2b5\ub2c8\ub2e4. \uadf8 \uc885\ub958\ub294 CD-R, DVD-R, BD-R \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc7ac\uae30\ub85d\ud615 \ub514\uc2a4\ud06c\ub294 \uae30\ub85d\ub41c \uc815\ubcf4\ub97c \uc5ec\ub7ec \ubc88 \uc9c0\uc6b0\uace0 \uae30\ub85d\ud560 \uc218 \uc788\uc73c\uba70 \uc885\ub958\ub294 MD, CD-RW, DVD, BE-RE \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\uc911\uc559\ucc98\ub9ac\uc7a5\uce58(CPU)\uac00 \uc5b4\ub5a4 \uc791\uc5c5\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574\uc11c\ub294 \ub370\uc774\ud130\uc640 \uc774\ub97c \ucc98\ub9ac\ud560 \ud504\ub85c\uadf8\ub7a8\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uae30\uc5b5\uc7a5\uce58\ub294 \ub370\uc774\ud130\uc640 \ud504\ub85c\uadf8\ub7a8, \uc5f0\uc0b0\uc758 \uc911\uac04 \uacb0\uacfc \ub4f1\uc744 \uc77c\uc2dc\uc801 \ub610\ub294 \uc601\uad6c\uc801\uc73c\ub85c \uc800\uc7a5\ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. \uae30\uc5b5\uc7a5\uce58\uc758 \uacc4\uce35 \uad6c\uc870(Memory Hierarchy) \uae30\uc5b5\uc7a5\uce58\ub294 \uc811\uadfc \uc18d\ub3c4, \uae30\uc5b5 \uc6a9\ub7c9\uc758 \ud06c\uae30, \uc6a9\ub3c4\uc5d0 \ub530\ub77c \ub808\uc9c0\uc2a4\ud130, \uce90\uc2dc \uba54\ubaa8\ub9ac, \uc8fc\uae30\uc5b5\uc7a5\uce58, \ubcf4\uc870\uae30\uc5b5\uc7a5\uce58\ub85c \uad6c\ubd84\ud569\ub2c8\ub2e4. \ub808\uc9c0\uc2a4\ud130\ub294 \uc911\uc559\ucc98\ub9ac\uc7a5\uce58 \ub0b4\uc5d0 \uc874\uc7ac\ud558\uba70, \uc911\uc559\ucc98\ub9ac\uc7a5\uce58\uc758 \ucc98\ub9ac \uc18d\ub3c4\uc640 \ube44\uc2b7\ud55c \uc811\uadfc \uc2dc\uac04(Access Time)\uc744 \uac00\uc9d1\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \uce90\uc2dc \uba54\ubaa8\ub9ac\ub294…<\/p>\n","protected":false},"author":1,"featured_media":314,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/315"}],"collection":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=315"}],"version-history":[{"count":1,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/315\/revisions"}],"predecessor-version":[{"id":316,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/315\/revisions\/316"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/media\/314"}],"wp:attachment":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}