{"id":8772,"date":"2025-03-06T14:09:47","date_gmt":"2025-03-06T07:09:47","guid":{"rendered":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/?p=8772"},"modified":"2025-03-06T14:09:48","modified_gmt":"2025-03-06T07:09:48","slug":"phan-mem-nhung-la-gi","status":"publish","type":"post","link":"https:\/\/mb668s.com\/cam-nang-7mb66-xoc-dia\/tu-van-nghe-nghiep\/phan-mem-nhung-la-gi","title":{"rendered":"Ph\u1ea7n m\u1ec1m nh\u00fang l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i"},"content":{"rendered":"\n

B\u1ea1n \u0111\u00e3 bao gi\u1edd t\u1ef1 h\u1ecfi l\u00e0m th\u1ebf n\u00e0o chi\u1ebfc l\u00f2 vi s\u00f3ng c\u1ee7a b\u1ea1n bi\u1ebft ch\u00ednh x\u00e1c th\u1eddi \u0111i\u1ec3m \u0111\u1ec3 l\u00e0m n\u00f3ng th\u1ee9c \u0103n, hay l\u00e0m th\u1ebf n\u00e0o h\u1ec7 th\u1ed1ng phanh ABS tr\u00ean xe h\u01a1i c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng? C\u00e2u tr\u1ea3 l\u1eddi n\u1eb1m \u1edf ph\u1ea7n m\u1ec1m nh\u00fang<\/strong>. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 ph\u1ea7n m\u1ec1m nh\u00fang l\u00e0 g\u00ec<\/strong>, c\u00e1ch n\u00f3 ho\u1ea1t \u0111\u1ed9ng, nh\u1eefng \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn, v\u00e0 nh\u1eefng th\u00e1ch th\u1ee9c khi ph\u00e1t tri\u1ec3n lo\u1ea1i ph\u1ea7n m\u1ec1m n\u00e0y.<\/p>\n\n\n

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\"ph\u1ea7n<\/figure>\n<\/div>\n\n\n

C\u00e1c t\u00ednh n\u0103ng c\u1ee7a ph\u1ea7n m\u1ec1m nh\u00fang l\u00e0 g\u00ec<\/h2>\n\n\n\n

Ph\u1ea7n m\u1ec1m nh\u00fang kh\u00f4ng gi\u1ed1ng v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng b\u1ea1n s\u1eed d\u1ee5ng tr\u00ean m\u00e1y t\u00ednh hay \u0111i\u1ec7n tho\u1ea1i. Ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng v\u00e0 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3.<\/p>\n\n\n\n

Ho\u1ea1t \u0111\u1ed9ng th\u1eddi gian th\u1ef1c<\/h3>\n\n\n\n

M\u1ed9t trong nh\u1eefng t\u00ednh n\u0103ng quan tr\u1ecdng nh\u1ea5t c\u1ee7a ph\u1ea7n m\u1ec1m nh\u00fang l\u00e0 kh\u1ea3 n\u0103ng ho\u1ea1t \u0111\u1ed9ng th\u1eddi gian th\u1ef1c<\/em>. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 n\u00f3 ph\u1ea3i ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c s\u1ef1 ki\u1ec7n v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch. V\u00ed d\u1ee5, trong m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n m\u00e1y bay, ph\u1ea7n m\u1ec1m nh\u00fang ph\u1ea3i ph\u1ea3n \u1ee9ng ngay l\u1eadp t\u1ee9c v\u1edbi c\u00e1c thay \u0111\u1ed5i trong t\u1ed1c \u0111\u1ed9 gi\u00f3 ho\u1eb7c \u0111\u1ed9 cao.<\/p>\n\n\n\n

R\u00e0ng bu\u1ed9c v\u1ec1 t\u00e0i nguy\u00ean<\/h3>\n\n\n\n

Ph\u1ea7n m\u1ec1m nh\u00fang th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u00f3 t\u00e0i nguy\u00ean h\u1ea1n ch\u1ebf<\/em>, nh\u01b0 b\u1ed9 nh\u1edb, s\u1ee9c m\u1ea1nh x\u1eed l\u00fd v\u00e0 n\u0103ng l\u01b0\u1ee3ng. V\u00ec v\u1eady, n\u00f3 ph\u1ea3i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m t\u00e0i nguy\u00ean.<\/p>\n\n\n\n

T\u00ednh chuy\u00ean bi\u1ec7t cao<\/h3>\n\n\n\n

Ph\u1ea7n m\u1ec1m nh\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t ho\u1eb7c m\u1ed9t v\u00e0i t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3<\/em>. V\u00ed d\u1ee5, ph\u1ea7n m\u1ec1m nh\u00fang trong m\u00e1y gi\u1eb7t ch\u1ec9 t\u1eadp trung v\u00e0o vi\u1ec7c \u0111i\u1ec1u khi\u1ec3n qu\u00e1 tr\u00ecnh gi\u1eb7t, v\u1eaft v\u00e0 s\u1ea5y kh\u00f4.<\/p>\n\n\n\n

\u0110\u1ed9 tin c\u1eady cao<\/h3>\n\n\n\n

Do ph\u1ea7n m\u1ec1m nh\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng quan tr\u1ecdng, n\u00f3 ph\u1ea3i c\u00f3 \u0111\u1ed9 tin c\u1eady cao<\/em> v\u00e0 ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. L\u1ed7i trong ph\u1ea7n m\u1ec1m nh\u00fang c\u00f3 th\u1ec3 g\u00e2y ra h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng, ch\u1eb3ng h\u1ea1n nh\u01b0 tai n\u1ea1n giao th\u00f4ng ho\u1eb7c h\u1ecfng h\u00f3c thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

C\u00e1c th\u00e0nh ph\u1ea7n trong ph\u1ea7n m\u1ec1m nh\u00fang l\u00e0 g\u00ec <\/h2>\n\n\n\n

Ph\u1ea7n m\u1ec1m nh\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t kh\u1ed1i \u0111\u01a1n l\u1ebb. N\u00f3 \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh t\u1eeb nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c nhau, ph\u1ed1i h\u1ee3p v\u1edbi nhau \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Ph\u1ea7n c\u1ee9ng<\/h3>\n\n\n\n

Ph\u1ea7n c\u1ee9ng l\u00e0 n\u1ec1n t\u1ea3ng v\u1eadt l\u00fd m\u00e0 ph\u1ea7n m\u1ec1m nh\u00fang ch\u1ea1y tr\u00ean \u0111\u00f3. N\u00f3 c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t vi \u0111i\u1ec1u khi\u1ec3n, vi x\u1eed l\u00fd, ho\u1eb7c m\u1ed9t h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p h\u01a1n.<\/p>\n\n\n\n

H\u1ec7 \u0111i\u1ec1u h\u00e0nh th\u1eddi gian th\u1ef1c (RTOS)<\/h3>\n\n\n\n

RTOS<\/em> l\u00e0 m\u1ed9t lo\u1ea1i h\u1ec7 \u0111i\u1ec1u h\u00e0nh \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u th\u1eddi gian th\u1ef1c c\u1ee7a ph\u1ea7n m\u1ec1m nh\u00fang. N\u00f3 qu\u1ea3n l\u00fd c\u00e1c t\u00e0i nguy\u00ean c\u1ee7a h\u1ec7 th\u1ed1ng v\u00e0 cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 c\u1ea7n thi\u1ebft cho ph\u1ea7n m\u1ec1m nh\u00fang. V\u00ed d\u1ee5 nh\u01b0 FreeRTOS, Zephyr, hay VxWorks.<\/p>\n\n\n\n

Tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb (Device Drivers)<\/h3>\n\n\n\n

Tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb<\/em> cho ph\u00e9p ph\u1ea7n m\u1ec1m nh\u00fang giao ti\u1ebfp v\u1edbi c\u00e1c thi\u1ebft b\u1ecb ph\u1ea7n c\u1ee9ng kh\u00e1c nhau, nh\u01b0 c\u1ea3m bi\u1ebfn, b\u1ed9 truy\u1ec1n \u0111\u1ed9ng v\u00e0 b\u1ed9 nh\u1edb.<\/p>\n\n\n\n

\u1ee8ng d\u1ee5ng<\/h3>\n\n\n\n

\u1ee8ng d\u1ee5ng<\/em> l\u00e0 ph\u1ea7n ch\u00ednh c\u1ee7a ph\u1ea7n m\u1ec1m nh\u00fang, th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3 m\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 th\u1ef1c hi\u1ec7n – v\u00ed d\u1ee5, \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng c\u01a1 trong robot, gi\u1ea3i m\u00e3 t\u00edn hi\u1ec7u trong TV, ho\u1eb7c theo d\u00f5i tim m\u1ea1ch trong thi\u1ebft b\u1ecb y t\u1ebf.<\/p>\n\n\n\n

Firmware<\/h3>\n\n\n\n

Firmware<\/em> l\u00e0 ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c l\u01b0u tr\u1eef c\u1ed1 \u0111\u1ecbnh tr\u00ean thi\u1ebft b\u1ecb. N\u00f3 th\u01b0\u1eddng ch\u1ee9a h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 c\u00e1c tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb c\u1ea7n thi\u1ebft \u0111\u1ec3 kh\u1edfi \u0111\u1ed9ng v\u00e0 ch\u1ea1y thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

Ph\u1ea7n m\u1ec1m nh\u00fang ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n

Ph\u1ea7n m\u1ec1m nh\u00fang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch li\u00ean t\u1ee5c \u0111\u1ecdc d\u1eef li\u1ec7u t\u1eeb c\u00e1c c\u1ea3m bi\u1ebfn, x\u1eed l\u00fd d\u1eef li\u1ec7u n\u00e0y, v\u00e0 sau \u0111\u00f3 g\u1eedi c\u00e1c l\u1ec7nh \u0111i\u1ec1u khi\u1ec3n \u0111\u1ebfn c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng. Qu\u00e1 tr\u00ecnh n\u00e0y di\u1ec5n ra theo m\u1ed9t chu k\u1ef3 l\u1eb7p \u0111i l\u1eb7p l\u1ea1i.<\/p>\n\n\n\n

Thu th\u1eadp d\u1eef li\u1ec7u<\/h3>\n\n\n\n

Ph\u1ea7n m\u1ec1m nh\u00fang thu th\u1eadp d\u1eef li\u1ec7u<\/em> t\u1eeb c\u00e1c c\u1ea3m bi\u1ebfn kh\u00e1c nhau, nh\u01b0 c\u1ea3m bi\u1ebfn nhi\u1ec7t \u0111\u1ed9, c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t, c\u1ea3m bi\u1ebfn \u00e1nh s\u00e1ng, v\u00e0 c\u1ea3m bi\u1ebfn chuy\u1ec3n \u0111\u1ed9ng. D\u1eef li\u1ec7u n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 theo d\u00f5i tr\u1ea1ng th\u00e1i c\u1ee7a m\u00f4i tr\u01b0\u1eddng v\u00e0 thi\u1ebft b\u1ecb.<\/p>\n\n\n\n

X\u1eed l\u00fd d\u1eef li\u1ec7u<\/h3>\n\n\n\n

Sau khi thu th\u1eadp d\u1eef li\u1ec7u, ph\u1ea7n m\u1ec1m nh\u00fang x\u1eed l\u00fd d\u1eef li\u1ec7u<\/em> n\u00e0y b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n v\u00e0 m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc. Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 bao g\u1ed3m vi\u1ec7c l\u1ecdc d\u1eef li\u1ec7u, chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u, v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u.<\/p>\n\n\n\n

\u0110i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb<\/h3>\n\n\n\n

D\u1ef1a tr\u00ean k\u1ebft qu\u1ea3 x\u1eed l\u00fd d\u1eef li\u1ec7u, ph\u1ea7n m\u1ec1m nh\u00fang \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb<\/em> b\u1eb1ng c\u00e1ch g\u1eedi c\u00e1c l\u1ec7nh \u0111\u1ebfn c\u00e1c b\u1ed9 truy\u1ec1n \u0111\u1ed9ng. V\u00ed d\u1ee5, n\u00f3 c\u00f3 th\u1ec3 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9 c\u1ee7a \u0111\u1ed9ng c\u01a1, \u0111i\u1ec1u ch\u1ec9nh nhi\u1ec7t \u0111\u1ed9 c\u1ee7a l\u00f2 n\u01b0\u1edbng, ho\u1eb7c b\u1eadt\/t\u1eaft \u0111\u00e8n.<\/p>\n\n\n\n

8 b\u01b0\u1edbc x\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m nh\u00fang hi\u1ec7u qu\u1ea3<\/h2>\n\n\n\n

Ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m nh\u00fang l\u00e0 g\u00ec \u0111\u00f2i h\u1ecfi s\u1ef1 t\u1ec9 m\u1ec9 v\u00e0 tu\u00e2n th\u1ee7 quy tr\u00ecnh. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 8 b\u01b0\u1edbc quan tr\u1ecdng \u0111\u1ec3 x\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m nh\u00fang hi\u1ec7u qu\u1ea3:<\/p>\n\n\n\n

    \n
  1. X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u:<\/strong> B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean l\u00e0 x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c y\u00eau c\u1ea7u<\/em> c\u1ee7a h\u1ec7 th\u1ed1ng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c x\u00e1c \u0111\u1ecbnh c\u00e1c ch\u1ee9c n\u0103ng c\u1ea7n thi\u1ebft, c\u00e1c r\u00e0ng bu\u1ed9c v\u1ec1 t\u00e0i nguy\u00ean, v\u00e0 c\u00e1c y\u00eau c\u1ea7u v\u1ec1 hi\u1ec7u su\u1ea5t.<\/li>\n\n\n\n
  2. Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng:<\/strong> Sau khi x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c c\u00e1c y\u00eau c\u1ea7u, b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng<\/em>. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ea7n c\u1ee9ng ph\u00f9 h\u1ee3p, thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac ph\u1ea7n m\u1ec1m, v\u00e0 x\u00e1c \u0111\u1ecbnh c\u00e1c giao di\u1ec7n gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau.<\/li>\n\n\n\n
  3. L\u1ef1a ch\u1ecdn m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n:<\/strong> C\u00f3 r\u1ea5t nhi\u1ec1u m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n<\/em> ph\u1ea7n m\u1ec1m nh\u00fang kh\u00e1c nhau \u0111\u1ec3 l\u1ef1a ch\u1ecdn. M\u1ed9t s\u1ed1 m\u00f4i tr\u01b0\u1eddng ph\u1ed5 bi\u1ebfn bao g\u1ed3m Eclipse, Keil, IAR Embedded Workbench, v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n d\u1ef1a tr\u00ean Linux.<\/li>\n\n\n\n
  4. Vi\u1ebft m\u00e3:<\/strong> Sau khi thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng v\u00e0 l\u1ef1a ch\u1ecdn m\u00f4i tr\u01b0\u1eddng ph\u00e1t tri\u1ec3n, b\u1ea1n c\u00f3 th\u1ec3 b\u1eaft \u0111\u1ea7u vi\u1ebft m\u00e3<\/em>. M\u00e3 n\u00ean \u0111\u01b0\u1ee3c vi\u1ebft r\u00f5 r\u00e0ng, d\u1ec5 \u0111\u1ecdc v\u00e0 tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n m\u00e3 h\u00f3a.<\/li>\n\n\n\n
  5. Ki\u1ec3m tra v\u00e0 g\u1ee1 l\u1ed7i:<\/strong> Ki\u1ec3m tra v\u00e0 g\u1ee1 l\u1ed7i<\/em> l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m nh\u00fang. B\u1ea1n n\u00ean s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 g\u1ee1 l\u1ed7i, nh\u01b0 tr\u00ecnh m\u00f4 ph\u1ecfng v\u00e0 tr\u00ecnh g\u1ee1 l\u1ed7i ph\u1ea7n c\u1ee9ng, \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh v\u00e0 s\u1eeda ch\u1eefa c\u00e1c l\u1ed7i trong m\u00e3.<\/li>\n\n\n\n
  6. T\u1ed1i \u01b0u h\u00f3a:<\/strong> Sau khi m\u00e3 \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra v\u00e0 g\u1ee1 l\u1ed7i, b\u1ea1n c\u00f3 th\u1ec3 t\u1ed1i \u01b0u h\u00f3a<\/em> m\u00e3 \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t v\u00e0 gi\u1ea3m m\u1ee9c ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng.<\/li>\n\n\n\n
  7. T\u00e0i li\u1ec7u h\u00f3a:<\/strong> T\u00e0i li\u1ec7u h\u00f3a<\/em> l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng c\u1ee7a qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m nh\u00fang. T\u00e0i li\u1ec7u n\u00ean bao g\u1ed3m m\u00f4 t\u1ea3 v\u1ec1 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, m\u00e3 ngu\u1ed3n, v\u00e0 c\u00e1c quy tr\u00ecnh ki\u1ec3m tra.<\/li>\n\n\n\n
  8. Tri\u1ec3n khai v\u00e0 b\u1ea3o tr\u00ec:<\/strong> Cu\u1ed1i c\u00f9ng, b\u1ea1n c\u1ea7n tri\u1ec3n khai<\/em> ph\u1ea7n m\u1ec1m nh\u00fang l\u00ean thi\u1ebft b\u1ecb m\u1ee5c ti\u00eau v\u00e0 b\u1ea3o tr\u00ec<\/em> n\u00f3 theo th\u1eddi gian.<\/li>\n<\/ol>\n\n\n\n

    C\u00e1c \u1ee9ng d\u1ee5ng c\u1ee7a ph\u1ea7n m\u1ec1m nh\u00fang<\/h2>\n\n\n\n

    Ph\u1ea7n m\u1ec1m nh\u00fang hi\u1ec7n di\u1ec7n \u1edf kh\u1eafp m\u1ecdi n\u01a1i trong cu\u1ed9c s\u1ed1ng hi\u1ec7n \u0111\u1ea1i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t v\u00e0i v\u00ed d\u1ee5:<\/p>\n\n\n\n