V\u1ea5n \u0111\u1ec1 s\u1ef1 c\u1ed1 Y2K xem ra th\u00ec gi\u1ea3n \u0111\u01a1n, ch\u1ec9 c\u1ea7n \u0111\u1ed5i hai h\u00e0ng s\u1ed1 hi\u1ec3n th\u1ecb n\u0103m th\u00e0nh con s\u1ed1 b\u1ed1n h\u00e0ng l\u00e0 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t th\u1ebf k\u1ef7 XX, th\u1ebf k\u1ef7 XXI. Nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf l\u1ea1i r\u1ea5t ph\u1ee9c t\u1ea1p. Khi ch\u00fang ta b\u01b0\u1edbc v\u00e0o thao t\u00e1c c\u1ee5 th\u1ec3 s\u1ebd th\u1ea5y r\u1eb1ng \u0111\u00e2y l\u00e0 vi\u1ec7c r\u1ea5t gian nan. M\u1ed9t nguy\u00ean nh\u00e2n trong \u0111\u00f3 l\u00e0 ki\u1ec3m tra r\u1ea5t ph\u1ee9c t\u1ea1p. V\u1ea5n \u0111\u1ec1 n\u0103m th\u00e1ng \u0111\u00e3 \u0111\u1ee5ng ch\u1ea1m t\u1edbi c\u00e1c m\u1eb7t c\u1ee7a h\u1ec7 th\u1ed1ng, bao g\u1ed3m: \u0111\u1ed3ng h\u1ed3 ph\u1ea7n c\u1ee9ng, h\u1ec7 \u0111i\u1ec1u h\u00e0nh, ph\u1ea7n m\u1ec1m h\u1ec7 th\u1ed1ng, ph\u1ea7n m\u1ec1m t\u1ea7ng trung gian, vi\u1ec7c bao th\u1ea7u ph\u1ea7n m\u1ec1m c\u1ee7a nh\u00e0 kinh doanh b\u00ean C v\u00e0 c\u1ea3 ch\u01b0\u01a1ng tr\u00ecnh \u1ee9ng d\u1ee5ng m\u00e0 b\u1ea3n th\u00e2n ng\u01b0\u1eddi d\u00f9ng m\u00e1y \u0111\u00e3 t\u1ea1o ra. Trong h\u00e0ng v\u1ea1n ch\u01b0\u01a1ng tr\u00ecnh, ta l\u00e0m sao m\u00e0 t\u00ecm th\u1ea5y \u0111\u01b0\u1ee3c c\u00e1c h\u1ea1ng m\u1ee5c c\u00f3 li\u00ean quan t\u1edbi th\u1eddi gian n\u0103m th\u00e1ng? H\u00e0ng lo\u1ea1t d\u1eef li\u1ec7u quan tr\u1ecdng (g\u1ed3m v\u0103n ki\u1ec7n v\u00e0 s\u1ed1 li\u1ec7u trong kho d\u1eef li\u1ec7u) th\u00ec nh\u1eefng n\u0103m th\u00e1ng n\u00e0o c\u00f3 li\u00ean quan? \u1ede \u0111\u00e2u? S\u1eeda l\u1ea1i th\u1ebf n\u00e0o? Hi\u1ec3n th\u1ecb th\u1ed1ng k\u00ea c\u00f3 40 – 98% ch\u01b0\u01a1ng tr\u00ecnh, 20 – 85% v\u0103n ki\u1ec7n d\u1eef li\u1ec7u s\u1ebd ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi th\u1eddi gian n\u0103m th\u00e1ng. Tr\u00ean th\u1ef1c t\u1ebf th\u00ec kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ecdi ng\u00f4n ng\u1eef, m\u1ecdi m\u1eb7t b\u1eb1ng \u0111\u1ec1u c\u00f3 th\u1ec3 t\u00ecm ra c\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u0103m. C\u0169ng ch\u1eb3ng c\u00f3 m\u1ed9t c\u00f4ng c\u1ee5 n\u00e0o c\u00f3 th\u1ec3 ph\u00e1t hi\u1ec7n ra t\u1ea5t c\u1ea3 c\u00e1c h\u1ea1ng m\u1ee5c c\u00f3 li\u00ean quan t\u1edbi th\u1eddi gian n\u0103m th\u00e1ng. B\u1edfi v\u00ec r\u1ea5t nhi\u1ec1u h\u1ea1ng m\u1ee5c c\u00f3 quan h\u1ec7 t\u1edbi th\u1eddi gian \u0111\u1ec1u \u1ea9n t\u00e0ng trong l\u00f4gic ho\u1eb7c t\u00ednh to\u00e1n c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh, r\u1ea5t kh\u00f3 m\u00e0 t\u00ecm th\u1ea5y m\u00e0 c\u1ea7n ph\u1ea3i can thi\u1ec7p b\u1eb1ng th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n
V\u1ea5n \u0111\u1ec1 s\u1ef1 c\u1ed1 Y2K \u1ea3nh h\u01b0\u1edfng t\u1edbi m\u1ea1ng r\u1ea5t quan tr\u1ecdng. Tr\u00ean m\u1ea1ng c\u00f3 t\u1edbi h\u00e0ng ng\u00e0n, h\u00e0ng v\u1ea1n m\u00e1y ph\u1ee5c v\u1ee5 v\u00e0 m\u00e1y c\u1ee7a kh\u00e1ch h\u00e0ng. Khi s\u01a1 th\u1ee7y h\u00f3a tr\u1ea1m c\u00f4ng t\u00e1c PC v\u00e0 thi\u1ebft b\u1ecb ph\u1ee5c v\u1ee5, n\u00f3 ph\u1ea3i b\u1ed1 tr\u00ed th\u1eddi gian v\u00e0 l\u1ecbch th\u00f4ng qua vi\u1ec7c BIOS v\u00e0 s\u1ed1 tr\u1ecb th\u1ef1c c\u1ee7a \u0111\u1ed3ng h\u1ed3. L\u1ecbch trong h\u1ec7 th\u1ed1ng m\u00e1y PC (m\u00e1y vi t\u00ednh c\u00e1 nh\u00e2n) v\u00e0 m\u00e1y ph\u1ee5c v\u1ee5 c\u00f3 th\u1ec3 b\u1ecb h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u1ea1ng c\u1ea5y v\u00e0o trong vi\u1ec7c l\u1eafp \u0111\u1eb7t ch\u01b0\u01a1ng tr\u00ecnh \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y t\u00ednh kh\u00e1ch h\u00e0ng m\u00e1y t\u00ednh d\u1ecbch v\u1ee5. B\u1edfi v\u1eady, n\u1ebfu BIOS kh\u00f4ng th\u1ec3 v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c n\u0103m 2000 su\u00f4n s\u1ebb th\u00ec \u0111\u1ebfn l\u00fac \u0111\u00f3 m\u1ecdi tr\u1ecb s\u1ed1 tham kh\u1ea3o v\u1ec1 th\u1eddi gian v\u00e0 l\u1ecbch s\u1ebd tr\u1edf th\u00e0nh s\u1ed1 li\u1ec7u phi ph\u00e1p. Ch\u01b0\u01a1ng tr\u00ecnh \u1ee9ng d\u1ee5ng m\u1ea1ng c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadn \u0111\u01b0\u1ee3c l\u1ecbch sai l\u00e0 r\u1ea5t l\u1edbn, theo t\u00ednh to\u00e1n th\u00ec m\u00e1y PC t\u1eeb n\u0103m 1996 v\u1ec1 tr\u01b0\u1edbc c\u00f3 93% BIOS s\u1ebd kh\u00f4ng v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c n\u0103m 2000. BIOS t\u1eeb n\u0103m 1996 v\u1ec1 sau th\u00ec c\u00f3 kh\u00e1 h\u01a1n, ch\u1eebng 47% kh\u00f4ng v\u01b0\u1ee3t qua \u0111\u01b0\u1ee3c n\u0103m 2000. \u0110\u00f3 l\u00e0 v\u00ec h\u1ec7 th\u1ed1ng BIOS (basic input\/out put system h\u1ec7 th\u1ed1ng xu\u1ea5t nh\u1eadp c\u01a1 s\u1edf – M\u00e3 \u0111i\u1ec1u khi\u1ec3n c\u00e1c ph\u1ea7n c\u1ee9ng c\u01a1 s\u1edf nh\u01b0 s\u1ef1 t\u00e1c \u0111\u1ed9ng qua l\u1ea1i v\u1edbi \u1ed5 \u0111\u0129a m\u1ec1m, \u1ed5 \u0111\u0129a c\u1ee9ng v\u00e0 b\u00e0n ph\u00edm – ch\u00fa th\u00edch c\u1ee7a ND) h\u1ec7 th\u1ed1ng c\u0169 c\u1ee7a m\u00e1y PC ra \u0111\u1eddi \u0111\u1ea7u th\u1eadp k\u1ef7 80 kh\u00f4ng cho ph\u00e9p nh\u1eadp l\u1ecbch l\u1edbn h\u01a1n ng\u00e0y 31 th\u00e1ng 12 n\u0103m 1999. BIOS v\u1ec1 sau tuy \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u1ed5i m\u1edbi, nh\u01b0ng v\u1ec1 c\u01a1 b\u1ea3n b\u1ed9 ph\u1eadn n\u00e0y v\u1eabn gi\u1eef nguy\u00ean. B\u1edfi v\u1eady m\u00e0 d\u1eabn t\u1edbi vi\u1ec7c t\u1eeb ch\u1ed1i thu v\u00e0 ph\u00e1t th\u01b0 \u0111i\u1ec7n t\u1eed, thi\u1ebft b\u1ecb m\u1ea5t \u0111i kh\u1ea3 n\u0103ng thao t\u00e1c h\u1ed7 tr\u1ee3, h\u1ed9p th\u01b0 tho\u1ea1i v\u00e0 h\u1ec7 th\u1ed1ng trao \u0111\u1ed5i h\u1ed7n lo\u1ea1n.<\/p>\n\n\n\n
T\u00ednh ph\u1ee9c t\u1ea1p c\u1ee7a v\u1ea5n \u0111\u1ec1 Y2K c\u00f2n \u1edf trong qu\u00e1 tr\u00ecnh th\u1eed nghi\u1ec7m s\u1eeda \u0111\u1ed5i. Do h\u1ec7 th\u1ed1ng nhi\u1ec7m v\u1ee5 m\u1ea5u ch\u1ed1t v\u1eadn h\u00e0nh kh\u00f4ng th\u1ec3 ng\u1eaft ng\u1eebng m\u00e1y m\u00e0 d\u1eabn t\u1edbi kh\u00f3 kh\u0103n nhi\u1ec1u cho vi\u1ec7c s\u1eeda ch\u1eefa, th\u1eed nghi\u1ec7m v\u00e0 thay \u0111\u1ed5i. Ngo\u00e0i ra c\u01a1 c\u1ea5u nhi\u1ec7m v\u1ee5 m\u1ea5u ch\u1ed1t v\u1eadn h\u00e0nh \u00edt nhi\u1ec1u \u0111\u1ec1u c\u00f3 t\u00ednh c\u01a1 m\u1eadt, t\u1eeb \u0111\u00f3 m\u00e0 c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf \u1edf m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau \u0111\u1ed1i v\u1edbi vi\u1ec7c xen v\u00e0o gi\u1eefa c\u00e1c nh\u00e0 cung c\u1ea5p v\u00e0 ph\u01b0\u01a1ng \u00e1n gi\u1ea3i quy\u1ebft chuy\u00ean ng\u00e0nh. Ngo\u00e0i ra, v\u1ea5n \u0111\u1ec1 n\u0103m 2000 c\u00f2n \u0111\u1ee5ng t\u1edbi h\u1ec7 th\u1ed1ng c\u1ea5y v\u00e0o nh\u1ea5t th\u1ec3 h\u00f3a c\u01a1 \u0111i\u1ec7n c\u00f3 nh\u00e2n t\u1ed1 l\u1ecbch \u0111a d\u1ea1ng, s\u1ed1 l\u01b0\u1ee3ng c\u1ee7a ch\u00fang l\u1edbn l\u1ea1i ph\u00e2n b\u1ed1 r\u1ed9ng, tr\u00ecnh \u0111\u1ed9 c\u1ee7a nh\u00e2n vi\u00ean x\u00fac ti\u1ebfn ch\u00eanh l\u1ec7ch l\u1edbn \u0111\u00e3 d\u1eabn t\u1edbi ch\u01b0\u01a1ng tr\u00ecnh \u1ee9ng d\u1ee5ng kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u, g\u00e2y kh\u00f3 kh\u0103n c\u00e0ng l\u1edbn h\u01a1n cho vi\u1ec7c \u0111\u1ed5i m\u1edbi h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n
C\u00e1c nh\u00e2n t\u1ed1 k\u1ec3 tr\u00ean \u0111\u00e3 khi\u1ebfn v\u1ea5n \u0111\u1ec1 Y2K t\u1eeb m\u1ed9t v\u1ea5n \u0111\u1ec1 k\u0129 thu\u1eadt nh\u1ecf nhoi tr\u1edf th\u00e0nh m\u1ed9t v\u1ea5n \u0111\u1ec1 qui ho\u1ea1ch t\u1ed5ng th\u1ec3 r\u1ea5t l\u1edbn m\u00e0 m\u1ecdi n\u01a1i s\u1ebd \u0111\u1ee5ng ph\u1ea3i.<\/p>\n\n\n\n
T\u1eeb kh\u00f3a: H\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh; S\u1ef1 c\u1ed1 Y2K.<\/p>\n","protected":false},"excerpt":{"rendered":"
V\u1ea5n \u0111\u1ec1 s\u1ef1 c\u1ed1 Y2K xem ra th\u00ec gi\u1ea3n \u0111\u01a1n, ch\u1ec9 c\u1ea7n \u0111\u1ed5i hai h\u00e0ng s\u1ed1 hi\u1ec3n th\u1ecb n\u0103m th\u00e0nh con s\u1ed1 b\u1ed1n h\u00e0ng l\u00e0 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t th\u1ebf k\u1ef7 XX, th\u1ebf k\u1ef7 XXI. Nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf l\u1ea1i r\u1ea5t ph\u1ee9c t\u1ea1p. Khi ch\u00fang ta b\u01b0\u1edbc v\u00e0o thao t\u00e1c c\u1ee5 th\u1ec3 s\u1ebd th\u1ea5y r\u1eb1ng […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15,13],"tags":[],"class_list":["post-10288","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc","category-tin-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10288","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=10288"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/10288\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=10288"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=10288"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=10288"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}