{"id":1412,"date":"2021-05-21T16:57:07","date_gmt":"2021-05-21T08:57:07","guid":{"rendered":"http:\/\/mgspace.wiki\/docs\/?post_type=docs&#038;p=1412"},"modified":"2021-05-26T10:28:53","modified_gmt":"2021-05-26T02:28:53","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e5%86%85%e5%ad%98","status":"publish","type":"docs","link":"http:\/\/mgspace.wiki\/docs\/?docs=%e4%bb%80%e4%b9%88%e6%98%af%e5%86%85%e5%ad%98","title":{"rendered":"\u4ec0\u4e48\u662f\u5185\u5b58"},"content":{"rendered":"\n<p>\u5185\u5b58(Memory)\u662f\u8ba1\u7b97\u673a\u4e2d\u6700\u91cd\u8981\u7684\u90e8\u4ef6\u4e4b\u4e00,\u5b83\u662f\u7a0b\u5e8f\u4e0eCPU\u8fdb\u884c\u6c9f\u901a\u7684\u6865\u6881\u3002\u8ba1\u7b97\u673a\u4e2d\u6240\u6709\u7a0b\u5e8f\u7684\u8fd0\u884c\u90fd\u662f\u5728\u5185\u5b58\u4e2d\u8fdb\u884c\u7684,\u56e0\u6b64\u5185\u5b58\u5bf9\u8ba1\u7b97\u673a\u7684\u5f71\u54cd\u1d8b\u5e38\u5927,\u5185\u5b58\u53c8\u88ab\u79f0\u4e3a<span class=\"has-inline-color has-bright-red-color\"><strong>\u4e3b\u5b58<\/strong><\/span> ,\u5176\u4f5c\u7528\u662f\u5b58\u653eCPU \u4e2d\u7684\u8fd0\u7b97\u6570\u636e,\u4ee5\u53ca\u4e0e\u786c\u76d8\u7b49\u5916\u90e8\u5b58\u50a8\u8bbe\u5907\u4ea4\u6362\u7684\u6570\u636e\u3002\u53ea\u8981\u8ba1\u7b97\u673a\u5728\u8fd0\u884c\u4e2d,CPU \u5c31\u4f1a\u628a\u1d71\u8981\u8fd0\u7b97\u7684\u6570\u636e\u8c03\u5230\u4e3b\u5b58\u4e2d\u8fdb\u884c\u8fd0\u7b97,\u5f53\u8fd0\u7b97\u5b8c\u6210\u540eCPU\u518d\u5c06\u7ed3\u679c\u4f20\u9001\u51fa\u6765,\u4e3b\u5b58\u7684\u8fd0\u884c\u4e5f\u51b3\u5b9a\u4e86\u8ba1\u7b97\u673a\u7684\u7a33\u5b9a\u8fd0\u884c\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br>\u5185\u5b58\u7684\u7269\u7406\u7ed3\u6784<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"161\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-10.png\" alt=\"\" class=\"wp-image-1413\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-10.png 520w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-10-500x155.png 500w\" sizes=\"auto, (max-width: 520px) 85vw, 520px\" \/><\/figure>\n\n\n\n<p>512M\u5185\u5b58\u7684\u7269\u7406\u7ed3\u6784<\/p>\n\n\n\n<p>\u5185\u5b58\u7684\u5185\u90e8\u662f\u7531\u5404\u79cdIC\u7535\u8def\u7ec4\u6210\u7684,\u5b83\u7684\u79cd\u7c7b\u5f88\u5e9e\u5927,\u4f46\u662f\u5176\u4e3b\u8981\u5206\u4e3a\u4e09\u79cd\u5b58\u50a8\u5668<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"8\" src=\"\"><strong>\u968f\u673a\u5b58\u50a8\u5668(RAM):<\/strong> \u5185\u5b58\u4e2d\u6700\u91cd\u8981\u7684\u4e00\u79cd,\u8868\u793a\u65e2\u53ef\u4ee5\u4ece\u4e2d\u8bfb\u53d6\u6570\u636e,\u4e5f\u53ef\u4ee5\u5199\u5165\u6570\u636e\u3002\u5f53\u673a\u5668\u5173\u95ed\u65f6,\u5185\u5b58\u4e2d\u7684\u4fe1\u606f\u4f1a&nbsp;<strong><span class=\"has-inline-color has-bright-red-color\">\u4e22\u5931<\/span><\/strong>\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\"><strong>\u53ea\u8bfb\u5b58\u50a8\u5668(ROM)<\/strong>:ROM \u4e00\u822c\u53ea\u80fd\u7528\u4e8e\u6570\u636e\u7684\u8bfb\u53d6,\u4e0d\u80fd\u5199\u5165\u6570\u636e,\u4f46\u662f\u5f53\u673a\u5668\u505c\u7535\u65f6,\u8fd9\u4e9b\u6570\u636e\u4e0d\u4f1a\u4e22\u5931\u3002<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"7\" src=\"\"><strong>\u9ad8\u901f\u901f\u7f13\u5b58(Cache)<\/strong>:Cache \u4e5f\u662f\u6211\u4eec\u7ecf\u5e38\u89c1\u5230\u7684,\u5b83\u5206\u4e3a\u4e00\u7ea7\u7f13\u5b58(L1 Cache)\u3001\u4e8c\u7ea7\u7f13\u5b58 (L2 Cache)\u3001\u4e09\u7ea7\u7f13\u5b58(L3 Cache)\u8fd9\u4e9b\u6570\u636e,\u5b83\u4f4d\u4e8e\u5185\u5b58\u548c CPU \u4e4b\u95f4,\u662f\u4e00\u4e2a\u8bfb\u5199\u901f\u5ea6\u6bd4\u5185\u5b58&nbsp;&nbsp;<strong><span class=\"has-inline-color has-bright-red-color\">\u66f4\u5feb<\/span><\/strong>&nbsp;&nbsp; \u7684\u5b58\u50a8\u5668\u3002\u5f53 CPU \u5411\u5185\u5b58\u5199\u5165\u6570\u636e\u65f6,\u8fd9\u4e9b\u6570\u636e\u4e5f\u4f1a\u88ab\u5199\u5165\u9ad8\u901f\u7f13\u5b58\u4e2d\u3002\u5f53 CPU \u1d71\u8981\u8bfb\u53d6\u6570\u636e\u65f6,\u4f1a\u76f4\u63a5\u4ece\u9ad8\u901f\u7f13\u5b58\u4e2d\u76f4\u63a5\u8bfb\u53d6,\u5f53\u7136,\u5982\u8981\u7684\u6570\u636e\u5728Cache\u4e2d\u6ca1\u6709,CPU\u4f1a\u518d\u53bb\u8bfb&nbsp; \u53d6\u5185\u5b58\u4e2d\u7684\u6570\u636e\u3002\u5185\u5b58 IC \u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u7ed3\u6784,\u5b83\u5185\u90e8\u4e5f\u6709\u7535\u6e90\u3001\u5730\u5740\u4fe1\u53f7\u3001\u6570\u636e\u4fe1\u53f7\u3001\u63a7\u5236\u4fe1\u53f7\u548c\u7528\u4e8e\u5bfb\u5740\u7684 IC \u5f15\u811a\u6765\u8fdb\u884c\u6570\u636e\u7684\u8bfb\u5199\u3002\u4e0b\u662f\u4e00\u4e2a\u865a\u62df\u7684 IC \u5f15\u811a\u793a\u610f\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"561\" height=\"385\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-11.png\" alt=\"\" class=\"wp-image-1414\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-11.png 561w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-11-500x343.png 500w\" sizes=\"auto, (max-width: 561px) 85vw, 561px\" \/><\/figure>\n\n\n\n<p>\u5185\u5b58 IC \u5f15\u811a\u914d\u7f6e<\/p>\n\n\n\n<p>\u56fe\u4e2d VCC \u548c GND \u8868\u793a\u7535\u6e90,A0 &#8211; A9 \u662f\u5730\u5740\u4fe1\u53f7\u7684\u5f15\u811a,D0 &#8211; D7 \u8868\u793a\u7684\u662f\u63a7\u5236\u4fe1\u53f7\u3001RD \u548c WR \u90fd\u662f\u597d\u63a7\u5236\u4fe1\u53f7,\u6211\u7528\u4e0d\u540c\u7684\u1dcf\u8272\u8fdb\u884c\u4e86\u533a\u5206,\u5c06\u7535\u6e90\u8fde\u63a5\u5230 VCC \u548c GND \u540e,\u5c31\u53ef\u4ee5\u5bf9\u5176\u4ed6\u5f15\u811a\u4f20\u90120 \u548c 1 \u7684\u4fe1\u53f7,\u5927\u591a\u6570\u60c5\u51b5\u4e0b,<strong>+5V<\/strong><strong> <\/strong><strong>\u8868\u793a<\/strong><strong>1<\/strong><strong>,<\/strong><strong>0V<\/strong><strong> <\/strong><strong>\u8868\u793a<\/strong><strong> <\/strong><strong>0<\/strong>\u3002<\/p>\n\n\n\n<p>              \u6211\u4eec\u90fd\u77e5\u9053\u5185\u5b58\u662f\u7528\u6765\u5b58\u50a8\u6570\u636e,\u90a3\u4e48\u8fd9\u4e2a\u5185\u5b58 IC \u4e2d\u80fd\u5b58\u50a8\u591a\u5c11\u6570\u636e\u54622D0 &#8211; D7 \u8868\u793a\u7684\u662f\u6570\u636e\u4fe1\u53f7,\u4e5f\u5c31\u662f\u8bf4,\u4e00\u6b21\u53ef\u4ee5\u8f93\u5165\u8f93\u51fa 8 bit = 1 byte \u7684\u6570\u636e\u3002A0 &#8211; A9 \u662f\u5730\u5740\u4fe1\u53f7\u5171\u5341\u4e2a,\u8868\u793a\u53ef\u4ee5\u6307\u5b9a00000 00000 &#8211; 11111 11111 \u5171 2 \u7684 10\u6b21\u65b9 =1024\u4e2a\u5730\u5740\u3002\u6bcf\u4e2a\u5730\u5740\u90fd\u4f1a\u5b58\u653e 1 byte \u7684\u6570\u636e,\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5f97\u51fa\u5185\u5b58 IC \u7684\u5bb9\u91cf\u5c31\u662f 1 KB\u3002\u5982\u679c\u6211\u4eec\u4f7f\u7528\u7684\u662f 512 MB \u7684\u5185\u5b58,\u8fd9\u5c31\u76f8\u5f53\u4e8e\u662f 512000(512 * 1000) \u4e2a\u5185\u5b58 IC\u3002\u5f53\u7136,\u4e00\u53f0\u8ba1\u7b97\u673a\u4e0d\u592a\u53ef\u80fd\u6709\u8fd9\u4e48\u591a\u4e2a\u5185\u5b58 IC ,\u7136\u800c,\u901a\u5e38\u60c5\u51b5\u4e0b,\u4e00\u4e2a\u5185\u5b58 IC \u4f1a\u6709\u66f4\u591a\u7684\u5f15\u811a,\u4e5f\u5c31\u80fd\u5b58\u50a8\u66f4\u591a\u6570\u636e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5185\u5b58\u7684\u8bfb\u5199\u8fc7\u7a0b<\/h2>\n\n\n\n<p>\u8ba9\u6211\u4eec\u628a\u5173\u6ce8\u70b9\u653e\u5728\u5185\u5b58 IC \u5bf9\u6570\u636e\u7684\u8bfb\u5199\u8fc7\u7a0b\u4e0a\u6765\u54271\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u5bf9\u5185\u5b58IC \u8fdb\u884c\u6570\u636e\u5199\u5165\u548c\u8bfb\u53d6\u7684\u6a21\u578b<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"606\" height=\"490\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-12.png\" alt=\"\" class=\"wp-image-1415\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-12.png 606w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-12-500x404.png 500w\" sizes=\"auto, (max-width: 709px) 85vw, (max-width: 909px) 67vw, (max-width: 984px) 61vw, (max-width: 1362px) 45vw, 600px\" \/><\/figure>\n\n\n\n<p>\u4ece\u5185\u5b58 IC \u8bfb\u53d6\u548c\u5199\u5165\u6570\u636e<\/p>\n\n\n\n<p><img loading=\"lazy\" decoding=\"async\" width=\"8\" height=\"8\" src=\"\">\u6765\u8be6\u7ec6\u63cf\u8ff0\u4e00\u4e0b\u8fd9\u4e2a\u8fc7\u7a0b,\u5047\u8bbe\u6211\u4eec\u8981\u5411\u5185\u5b58 IC \u4e2d\u5199\u5165 1byte&nbsp; \u7684\u6570\u636e\u7684\u8bdd,\u5b83\u7684\u8fc7\u7a0b\u662f\u8fd9\u6837\u7684: \u5148\u7ed9 VCC \u63a5\u901a +5V \u7684\u7535\u6e90,\u7ed9 GND \u63a5\u901a 0V \u7684\u7535\u6e90,\u4f7f\u7528 <strong><span class=\"has-inline-color has-bright-red-color\">A0 &#8211; A9<\/span><\/strong> \u6765\u6307\u5b9a\u6570\u636e\u7684\u5b58\u50a8\u573a\u6240,\u7136\u540e\u518d\u628a\u6570\u636e\u7684\u8f93\u5165\u7ed9<strong><span class=\"has-inline-color has-bright-red-color\">D0-D7<\/span><\/strong>\u7684\u6570\u636e\u4fe1\u53f7\u5e76\u628a <strong><span class=\"has-inline-color has-bright-red-color\">WR(write)<\/span><\/strong> \u7684\u7f6e\u4e3a 1,\u6267\u884c\u5b8c\u8fd9\u4e9b\u64cd\u4f5c\u540e,\u5373\u53ef\u4ee5\u5411\u5185\u5b58 IC \u5199\u5165\u6570\u636e\u7684\u6570\u636e\u4fe1\u53f7,\u5e76\u628a WR(write) \u7684\u7f6e\u4e3a 1,\u6267\u884c\u5b8c\u8fd9\u4e9b\u64cd\u4f5c\u540e,\u5373\u53ef\u4ee5\u5411\u5185\u5b58 IC \u5199\u5165\u6570\u636e<\/p>\n\n\n\n<p>\u8bfb\u51fa\u6570\u636e\u65f6,\u53ea\u8981\u901a\u8fc7 A0 &#8211; A9 \u7684\u5730\u5740\u4fe1\u53f7\u6307\u5b9a\u6570\u636e\u7684\u5b58\u50a8\u573a\u6240,\u7136\u540e\u518d\u5c06 RD \u7684\u7f6e\u4e3a 1 \u5373\u53ef\u3002<\/p>\n\n\n\n<p>\u56fe\u4e2d\u7684 RD \u548c WR \u53c8\u88ab\u79f0\u4e3a\u63a7\u5236\u4fe1\u53f7\u3002\u5176\u4e2d\u5f53WR \u548c RD \u90fd\u4e3a 0 \u65f6,\u65e0\u6cd5\u8fdb\u884c\u5199\u5165\u548c\u8bfb\u53d6\u64cd\u4f5c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5185\u5b58\u7684\u73b0\u5b9e\u6a21\u578b<\/h2>\n\n\n\n<p>\u4e3a\u4e86\u4fbf\u4e8e\u8bb0\u5fc6,\u6211\u4eec\u628a\u5185\u5b58\u6a21\u578b\u6620\u5c04\u6210\u4e3a\u6211\u4eec\u73b0\u5b9e\u4e16\u754c\u7684\u6a21\u578b,\u5728\u73b0\u5b9e\u4e16\u754c\u4e2d,\u5185\u5b58\u7684\u6a21\u578b\u5f88\u60f3\u6211\u4eec\u751f\u6d3b\u7684\u697c\u623f\u3002\u5728\u8fd9\u4e2a\u697c\u623f\u4e2d,1\u5c42\u53ef\u4ee5\u5b58\u50a8\u4e00\u4e2a\u5b57\u8282\u7684\u6570\u636e,\u697c\u5c42\u53f7\u5c31\u662f<strong><span class=\"has-inline-color has-bright-red-color\">\u5730\u5740<\/span><\/strong>\uff0c\u4e0b\u662f\u5185\u5b58\u548c\u697c\u5c42\u6574\u5408\u7684\u6a21\u578b\u56fe<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"552\" height=\"424\" src=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-13.png\" alt=\"\" class=\"wp-image-1416\" srcset=\"http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-13.png 552w, http:\/\/mgspace.wiki\/docs\/wp-content\/uploads\/2021\/05\/image-13-500x384.png 500w\" sizes=\"auto, (max-width: 552px) 85vw, 552px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u62d3\u5c55\u77e5\u8bc6<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"has-inline-color has-bright-red-color\">\u4e3a\u4ec0\u4e481KB=1024B<\/span><\/h2>\n\n\n\n<p>\u7535\u8111\u662f\u4e8c\u8fdb\u5236\u7684\u7b97\u6cd5\uff0c \u6bcf8\u4e2a\u4f4d\uff08\u4e5f\u53eb\u4f4d\u5143<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3Dbit%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">bit<\/a>\uff09\u7ec4\u6210\u4e00\u4e2a\u5b57\u8282\uff08<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3DByte%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">Byte<\/a><a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3D%25E6%25AF%2594%25E7%2589%25B9%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">\u6bd4\u7279<\/a>\uff09\u30028<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3Dbit%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">bit<\/a>=1<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3DByte%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">Byte<\/a>\u5c31\u662f1B\u7684<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3D%25E6%2595%25B0%25E6%258D%25AE%25E5%25AD%2598%25E5%2582%25A8%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">\u6570\u636e\u5b58\u50a8<\/a>\u5728<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3D%25E5%2586%2585%25E5%25AD%2598%25E5%259C%25B0%25E5%259D%2580%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">\u5185\u5b58\u5730\u5740<\/a>\u8868\u73b0\u4e3a00000000~11111111\u4e4b\u95f4\u7684\u4f4d\u7f6e\uff0c\u4e5f\u5c31\u662f\u8bf41B\u7684\u6570\u636e\u662f8\u4f4d\u8fdb1\uff0c\u75280\uff0c1\u8868\u793a\u5c31\u662f10000000=2^7 \u540c\u74061\u5343<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3DKB%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">KB<\/a>\u5c31\u662f10000000000=2\u768410\u6b21\u65b9\uff0c1024=2^10 \u6240\u4ee51<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3DKB%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">KB<\/a>=1024<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3DByte%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">Byte<\/a>.\u3002 8<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3Dbit%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">bit<\/a>(\u4f4d) =1B(\u5b57\u8282) \u56e0\u6b64\u5c31\u6709\uff1a 1024B=1<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3DKB%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">KB<\/a>=2\u768410\u6b21\u65b9 1024KB(<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3D%25E5%258D%2583%25E5%25AD%2597%25E8%258A%2582%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">\u5343\u5b57\u8282<\/a>)=1MB(<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3D%25E5%2585%2586%25E5%25AD%2597%25E8%258A%2582%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">\u5146\u5b57\u8282<\/a>)\uff1d2\u768420\u6b21\u65b9 1024MB=1GB\uff1d2\u768430\u6b21\u65b9 1024GB=<a href=\"https:\/\/link.zhihu.com\/?target=https%3A\/\/www.baidu.com\/s%3Fwd%3D1TB%26tn%3DSE_PcZhidaonwhc_ngpagmjz%26rsv_dl%3Dgh_pc_zhidao\" target=\"_blank\" rel=\"noreferrer noopener\">1TB<\/a>\uff1d2\u768440\u6b21\u65b9<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f4d(bit)\u4e0e\u5b57\u8282(Byte)<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1. bit\u4e2d\u6587\u540d\u79f0\u662f\u4f4d\uff0c\u97f3\u8bd1\u201c\u6bd4\u7279\u201d\uff0c\u662f\u7528\u4ee5\u63cf\u8ff0\u7535\u8111\u6570\u636e\u91cf\u7684\u6700\u5c0f\u5355\u4f4d\u3002\n2. bit\u4ee3\u8868\u4f4d\uff0c\u5b58\u653e\u4e00\u4f4d\u4e8c\u8fdb\u5236\u6570(0\u62161\uff0c\u9009\u4e00\u4e2a)\uff0c\u53730\u62161\uff0c\u6700\u5c0f\u7684\u5b58\u50a8\u5355\u4f4d\u3002\n3. Byte\u4ee3\u8868\u5b57\u8282\uff0c8\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u4e3a\u4e00\u4e2a\u5b57\u8282\uff0c\u53731Byte=8bit\uff0cByte\u4e3a\u6570\u636e\u91cf\u5e38\u7528\n\u5355\u4f4d\u3002\n(1byte = 8bit\uff0cbyte\u662f\u8ba1\u7b97\u673a\u7684\u57fa\u672c\u5355\u4f4d\uff0cbit\u662f\u8ba1\u7b97\u673a\u7684\u6700\u5c0f\u5355\u4f4d.)\n\n\n\u2460. \u4e8c\u8fdb\u5236\u6570\u7cfb\u7edf\u4e2d\uff0c\u6bcf\u4e2a0\u62161\u5c31\u662f\u4e00\u4e2a\u4f4d(bit)\u3002\n\u2461. bit\u6709\u4ee5\u4e0b\u7528\u9014\uff1a\n\n- \u7528\u6765\u63cf\u8ff0\"\u6570\u636e\u7387\"---\u5c31\u662f\u6570\u636e\u7684\u4f20\u8f93\u901f\u5ea6\u7387\uff0c\u5355\u4f4d\u662f\uff1a\u6bd4\u7279\/\u79d2(\u610f\u601d\u662f\u6bcf\u79d2\n\u4f20\u9001\u591a\u5c11\u4e8c\u8fdb\u5236\u6570\u5b57&lt;1\u62160>)\u3002\n- \u901a\u5e38\u6765\u63cf\u8ff0\u7535\u8111\u7684\u7f51\u901f\u5feb\u6162\uff0c\u8bb0\u4e3a\uff1abit\/s\uff0c b\/s\uff0c Kb\/s\uff0c Mb\/s\uff0c Gb\/s \nTb\/s\u3002\n- bps(bit per second)\uff1abps\u610f\u601d\u662f\uff1a\u6bd4\u7279\/\u79d2(\u6bcf\u79d2\u4f20\u9001\u7684bit\u6570,\u662f\u4e00\u4e2a\u4f20\u8f93\u901f\n\u7387\u5355\u4f4d)\u3002\n(per second \u6bcf\u79d2\uff0c\u6bcf\u79d2\u949f)\n(second bit \u79d2\u76d8)\n- K:kilo(\u5343) M:mega(\u5146) G:giga(\u5409) T:tera(\u592a)\n\n\u2462. \u5355\u4f4d\u6362\u7b97\n\u3000\u30001Byte=8bit\n\u3000\u30001KB=1024Byte(\u5b57\u8282)=8*1024bit\n\u3000\u30001MB=1024KB\n\u3000\u30001GB=1024MB\n\u3000\u30001TB=1024GB\n\u2463. \u5bf9bit\/s\uff0c b\/s\uff0c Kb\/s\uff0c Mb\/s\uff0c Gb\/s Tb\/s\u7684\u89e3\u91ca\nbit\/s(b\/s)\uff1a\u6bcf\u79d2\u4f20\u9001\u51e0\u4e2abit\u6570\u636e\u3002\nKb\/s\uff1a\u6bcf\u79d2\u4f20\u9001\u51e0\u5343\u4e2abit\u6570\u636e\u3002\nMb\/s\uff1a\u6bcf\u79d2\u4f20\u9001\u51e0\u5146\u4e2abit\u6570\u636e\u3002\nGb\/s\uff1a\u6bcf\u79d2\u4f20\u9001\u51e0G\u4e2abit\u6570\u636e\u3002\nTb\/s\uff1a\u6bcf\u79d2\u4f20\u9001\u53caT\u4e2a\u6570\u636e\u3002\n\u2464. bps\u4e0eb\/s\u600e\u4e48\u6362\u7b97\uff1f bit\/s \u4e0eb\/s\u6709\u533a\u522b\u4e48\uff1f\nbps\u662fbit per second,\u5c31\u662fbit\/\u6bcf\u79d2,b\/s\u4e00\u4e2a\u610f\u601d\uff0c\u56e0\u6b64bit\/s\u4e0eb\/s\u4e00\u4e2a\u610f\u601d\u3002\n\n\u2465. \u8ba1\u7b97\u673a\u4e2d\uff0c\u6570\u636e\u7684\u8868\u793a\u53ea\u80fd\u75280\u548c1\u4e24\u79cd\u5f62\u5f0f\uff0c\u8fd9\u91cc\u76840\u548c1\u53ea\u8868\u793a\u4e00\u4e2a\u6570\u636e\u70b9\n\uff0c\u5360\u4e00\u4e2a\"\u4f4d\"\u800c\u5df2,\u800c\u5982\u679c\u8981\u8868\u793a\u4e00\u4e2a\"\u6570\u5b57\"\uff0c\"256\u4e2a\u5b57\u6bcd\"\uff0c\"\u7b26\u53f7\",\"\u63a7\u5236\u6807\u8bb0\n\"\u8981\u662f\u7528\"\u5b57\u8282\"\u6765\u8868\u793a\uff0c\u5373\uff1a8\u4e2a\"\u4f4d\"\u4e3a\u4e00\u4e2a\"\u5b57\u8282\"\u3002\n> 8\u4f4d(0000 0000 \u8fd9\u91cc\u76848\u4f4d\u662f\u4e8c\u8fdb\u5236) = 1\u5b57\u8282(byte)\u3002\n\n\u2466. byte\u548cbit\u7684\u533a\u522b\uff1a\u4e00\u4e2abit\u662f\u4e00\u4e2a0\u62161\uff0c\u4e2d\u6587\u53eb\u505a\u4e00\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u3002\u4e00\u4e2abyte\n\u662f8\u4e2abit\uff0c\u4e2d\u6587\u540d\u79f0\u53eb\u4e00\u4e2a\u5b57\u8282\u3002\n> \u56e0\u6b64\u4e00\u4e2a\u5b57\u6bcd\u5360\u4e00\u4e2a\u5b57\u8282\uff0c\u5373\u5360\u516b\u4e2a\u4e8c\u8fdb\u5236\u4f4d(bit)-->(8\u4e2a\u4e8c\u8fdb\u5236\u4f4d\u8868\u793a\uff1a0000 0000)\u3002<\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">kb\/s,kB\/s,kbps\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\u2460. kb\/s\u548ckbps\u4e00\u6837\uff1a\u5343\u4f4d\u6bcf\u79d2\uff08b\u662f\u4f4d,kb\u5373\u5343\u4f4d\uff09\u3002\n\u2461. kB\/s\uff1a\u5343\u5b57\u8282\u6bcf\u79d2\u3002\n\u2462. 1kB\/s=8kb\/s=8kbps(\u89e3\u91ca\u4e3a\uff1a\u4e00\u4e2a\u5b57\u8282\u7b49\u4e8e\u516b\u4f4d)\u3002\n1Mbps\u7b49\u4e8e128KB\/s \u8fd0\u8425\u5546\u8bf4\u76841M\u5c31\u662f1Mbps\u3002<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u7f51\u901f\u7387Mbps\u548cKB\/s\u6709\u4ec0\u4e48\u533a\u522b\u5417\uff1f<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">1. \u89e3\u7b54\uff1a\u5f53\u7136\u6709\u533a\u522b\u3002\n\u2460.1Mbps\u7b49\u4e8e128KB\/s\uff0c\u8fd0\u8425\u5546\u8bf4\u76841M\u5c31\u662f1Mbps\uff0c\u5b9e\u9645\u4e0b\u8f7d\u901f\u5ea6\u4e3a128KB\/s \n\n----------------------------------------------------------------\n\n2. \u56de\u7b54\u4e8c\uff1a\u5f53\u7136\u6709\u533a\u522b\u3002\n\u2460. \u6570\u636e\u4f20\u8f93\u7387\u7684\u5355\u4f4d\u4e00\u822c\u91c7\u7528MB\/s\u6216Mbit\/s\uff0c\u5c24\u5176\u5728\u5185\u90e8\u6570\u636e\u4f20\u8f93\u7387\u4e0a\u5b98\u65b9\u6570\u636e\u4e2d\u66f4\u591a\u7684\u91c7\u7528Mbit\/s\u4e3a\u5355\u4f4d\u3002\n\n\u2461. Byte\u662f\u5b57\u8282\u6570\uff0cbit\u662f\u4f4d\u6570\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\u6bcf\u516b\u4f4d\u4e3a\u4e00\u5b57\u8282\uff0c\u4e5f\u5c31\u662f1Byte=8bit\uff0c\u662f1\uff1a8\u7684\u5bf9\u5e94\u5173\u7cfb\u3002\n\u56e0\u6b641MB\/s\u7b49\u4e8e8Mbit\/s\u3002\n\n\u2461. MB\/s\u7684\u542b\u4e49\u662f\u5146\u5b57\u8282\u6bcf\u79d2\uff0cMbit\/s\u7684\u542b\u4e49\u662f\u5146\u6bd4\u7279\u6bcf\u79d2\uff0c\n\u524d\u8005\u662f\u6307\u6bcf\u79d2\u4f20\u8f93\u7684\u5b57\u8282\u6570\u91cf\uff0c\u540e\u8005\u662f\u6307\u6bcf\u79d2\u4f20\u8f93\u7684\u6bd4\u7279\u4f4d\u6570\u3002\n\n\u2462. \u5728\u8ba1\u7b97\u673a\u79d1\u5b66\u4e2d\uff0cbit\u662f\u8868\u793a\u4fe1\u606f\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u53eb\u505a\u4e8c\u8fdb\u5236\u4f4d;\u4e00\u822c\u75280\u548c1\u8868\u793a\u3002\nByte\u53eb\u505a\u5b57\u8282\uff0c\u75318\u4e2a\u4f4d(8bit)\u7ec4\u6210\u4e00\u4e2a\u5b57\u8282(1Byte)\uff0c\u7528\u4e8e\u8868\u793a\u8ba1\u7b97\u673a\u4e2d\u7684\u4e00\u4e2a\u5b57\u7b26\u3002\n\n\u2463. \u5728\u8ba1\u7b97\u673a\u7f51\u7edc\u6216\u8005\u662f\u7f51\u7edc\u8fd0\u8425\u5546\u4e2d\uff0c\u4e00\u822c\uff0c\u5bbd\u5e26\u901f\u7387\u7684\u5355\u4f4d\u7528bps(\u6216b\/s)\u8868\u793a;bps\u8868\u793a\u6bd4\u7279\u6bcf\u79d2\u5373\u8868\u793a\u6bcf\u79d2\u949f\u4f20\u8f93\u591a\u5c11\u4f4d\u4fe1\u606f\uff0c\u662fbit per second\u7684\u7f29\u5199\u3002\n\u5728\u5b9e\u9645\u6240\u8bf4\u76841M\u5e26\u5bbd\u7684\u610f\u601d\u662f1Mbps(\u662f\u5146\u6bd4\u7279\u6bcf\u79d2Mbps\u4e0d\u662f\u5146\u5b57\u8282\u6bcf\u79d2MBps)\u3002<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">1KB\u80fd\u5b58\u50a8\u591a\u5c11\u6c49\u5b57\u3001\u591a\u5c11\u5b57\u6bcd<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b57\u7b26\u7801\u4e0d\u4e00\u6837\uff0c\u5b58\u50a8\u7684\u6570\u91cf\u4e5f\u4e0d\u4e00\u6837<\/h2>\n\n\n\n<p><strong><span class=\"has-inline-color has-bright-red-color\">ANSI ,GB2312\u4e2d\u6587<\/span><\/strong> 1B=0.5\u4e2a\u6c49\u5b57\u30011B=1\u4e2a\u5b57\u6bcd&#8212;&gt;1KB=512\u4e2a\u6c49\u5b57\u30011KB=1024\u4e2a\u5b57\u6bcd<\/p>\n\n\n\n<p><strong><span class=\"has-inline-color has-bright-red-color\">UTF-8 <\/span><\/strong>        <span class=\"has-inline-color has-bright-red-color\">3B=1\u4e2a\u6c49\u5b57\u30011B=1\u4e2a\u5355\u8bcd<\/span>   1KB= 341\u4e2a\u6c49\u5b57\u30011KB=1024\u4e2a\u5b57\u6bcd<\/p>\n\n\n\n<p><strong><span class=\"has-inline-color has-bright-red-color\">Unicode  <\/span><\/strong><span class=\"has-inline-color has-bright-red-color\">1B=0.5\u4e2a\u6c49\u5b57\u30011B=0.5\u4e2a\u5b57\u6bcd<\/span> 1KB=512\u4e2a\u6c49\u5b57\u30011KB=512\u4e2a\u5b57\u6bcd<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5185\u5b58(Memory)\u662f\u8ba1\u7b97\u673a\u4e2d\u6700\u91cd\u8981\u7684\u90e8\u4ef6\u4e4b\u4e00,\u5b83\u662f\u7a0b\u5e8f\u4e0eCPU\u8fdb\u884c\u6c9f\u901a\u7684\u6865\u6881\u3002\u8ba1\u7b97\u673a\u4e2d\u6240\u6709\u7a0b\u5e8f\u7684\u8fd0\u884c\u90fd\u662f\u5728\u5185 &hellip; <a href=\"http:\/\/mgspace.wiki\/docs\/?docs=%e4%bb%80%e4%b9%88%e6%98%af%e5%86%85%e5%ad%98\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u4ec0\u4e48\u662f\u5185\u5b58\u201d<\/span><\/a><\/p>\n","protected":false},"author":23,"featured_media":0,"parent":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"doc_category":[64],"doc_tag":[],"class_list":["post-1412","docs","type-docs","status-publish","hentry","doc_category-programming-101"],"_links":{"self":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs"}],"about":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1412"}],"version-history":[{"count":6,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1412\/revisions"}],"predecessor-version":[{"id":1422,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=\/wp\/v2\/docs\/1412\/revisions\/1422"}],"wp:attachment":[{"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1412"}],"wp:term":[{"taxonomy":"doc_category","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_category&post=1412"},{"taxonomy":"doc_tag","embeddable":true,"href":"http:\/\/mgspace.wiki\/docs\/index.php?rest_route=%2Fwp%2Fv2%2Fdoc_tag&post=1412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}