{"id":18067,"date":"2020-10-06T10:32:29","date_gmt":"2020-10-06T10:32:29","guid":{"rendered":"https:\/\/hocvienit.vn\/?p=18067"},"modified":"2024-07-20T16:52:39","modified_gmt":"2024-07-20T09:52:39","slug":"tong-hop-kien-thuc-co-ban-ve-cac-cong-logic-buffer-ex-or-ex-nor-aoi","status":"publish","type":"post","link":"https:\/\/hocvienit.vn\/?p=18067","title":{"rendered":"T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c c\u1ed5ng logic: BUFFER, EX-OR, EX-NOR, AOI"},"content":{"rendered":"

C\u1ed5ng logic l\u00e0 t\u00ean g\u1ecdi chung c\u1ee7a c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed c\u00f3 ch\u1ee9c n\u0103ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0m logic. C\u00e1c c\u1ed5ng logic bao g\u1ed3m: <\/span>AND, OR, NOT<\/a><\/strong>, <\/span>NOR, NAND<\/a><\/strong>, BUFFER, EX-OR, EX-NOR, AOI.<\/span><\/span><\/p>\n

Ng\u00e0y h\u00f4m nay, H\u1ecdc vi\u1ec7n iT.vn s\u1ebd ti\u1ebfp t\u1ee5c gi\u1edbi thi\u1ec7u t\u1edbi c\u00e1c b\u1ea1n c\u00e1c c\u1ed5ng logic: BUFFER, EX-OR, EX-NOR, AOI<\/strong>.<\/span><\/p>\n

\"T\u1ed5ng
T\u1ed5ng h\u1ee3p ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 c\u00e1c c\u1ed5ng logic: BUFFER, EX-OR, EX-NOR, AOI<\/span><\/figcaption><\/figure>\n

1. C\u1ed5ng logic BUFFER (C\u1ed5ng \u0111\u1ec7m)<\/strong><\/span><\/h2>\n

C\u1ed5ng logic BUFFER \u0111\u01b0\u1ee3c d\u00f9ng nh\u01b0 m\u1ed9t m\u1ea1ch khu\u1ebfch \u0111\u1ea1i logic. Trong \u0111\u00f3, t\u00edn hi\u1ec7u qua c\u1ed5ng \u0111\u1ec7m kh\u00f4ng l\u00e0m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i logic.Ngo\u00e0i ra, c\u1ed5ng \u0111\u1ec7m c\u00f2n c\u00f3 ch\u1ee9c n\u0103ng s\u1eeda d\u1ea1ng t\u00edn hi\u1ec7u vu\u00f4ng h\u01a1n v\u00e0 \u0111\u01b0a t\u00edn hi\u1ec7u \u0111i\u1ec7n th\u1ebf v\u1ec1 \u0111\u00fang m\u1ee9c logic.<\/span><\/p>\n

– K\u00fd hi\u1ec7u c\u1ee7a c\u1ed5ng logic BUFFER:<\/span><\/p>\n

\"K\u00fd
K\u00fd hi\u1ec7u c\u1ee7a c\u1ed5ng logic BUFFER<\/span><\/figcaption><\/figure>\n

– B\u1ea3ng s\u1ef1 th\u1eadt c\u1ee7a c\u1ed5ng logic BUFFER:<\/span><\/p>\n\n\n\n\n\n
A<\/strong><\/span><\/td>\nY = A<\/strong><\/span><\/td>\n<\/tr>\n
0<\/span><\/td>\n0<\/span><\/td>\n<\/tr>\n
1<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

M\u1eb7c d\u00f9 c\u1ed5ng \u0111\u1ec7m kh\u00f4ng l\u00e0m thay \u0111\u1ed5i tr\u1ea1ng th\u00e1i logic c\u1ee7a t\u00edn hi\u1ec7u v\u00e0o c\u1ed5ng nh\u01b0ng n\u00f3 v\u1eabn gi\u1eef m\u1ed9t vai tr\u00f2 nh\u1ea5t \u0111\u1ecbnh trong c\u00e1c m\u1ea1ch s\u1ed1. N\u00f3i c\u00e1ch kh\u00e1c, c\u1ed5ng logic BUFFER c\u00f3 h\u1ec7 s\u1ed1 khu\u1ebfch \u0111\u1ea1i b\u1eb1ng 1. Khi ta t\u0103ng c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u th\u00ec c\u00f3 ngh\u0129a l\u00e0 bi\u00ean \u0111\u1ed9 t\u00edn hi\u1ec7u v\u00e0 pha \u0111\u01b0\u1ee3c gi\u1eef nguy\u00ean nh\u01b0ng c\u00f4ng su\u1ea5t t\u00edn hi\u1ec7u l\u1ea1i t\u0103ng l\u00ean nhi\u1ec1u l\u1ea7n.<\/span><\/p>\n

2. C\u1ed5ng logic EX-OR<\/strong><\/span><\/h2>\n

C\u1ed5ng logic EX-OR c\u00f3 ch\u1ee9c n\u0103ng l\u00e0 th\u1ef1c hi\u1ec7n ph\u00e9p to\u00e1n EX-OR (Ph\u00e9p to\u00e1n c\u1ed9ng ngo\u1ea1i tr\u1eeb – C\u1ed9ng b\u1ecf qua s\u1ed1 nh\u1edb) gi\u1eefa hai bi\u1ebfn nh\u1ecb ph\u00e2n.<\/span><\/p>\n

– K\u00fd hi\u1ec7u c\u1ee7a c\u1ed5ng logic EX-OR:<\/span><\/p>\n

\"K\u00fd
K\u00fd hi\u1ec7u c\u1ee7a c\u1ed5ng logic EX-OR<\/span><\/figcaption><\/figure>\n

– B\u1ea3ng s\u1ef1 th\u1eadt c\u1ee7a c\u1ed5ng logic EX-OR:<\/span><\/p>\n\n\n\n\n\n\n\n
A<\/strong><\/span><\/td>\nB<\/strong><\/span><\/td>\nY = A\u00a0\u2295 B<\/strong><\/span><\/td>\n<\/tr>\n
0<\/span><\/td>\n0<\/span><\/td>\n0<\/span><\/td>\n<\/tr>\n
0<\/span><\/td>\n1<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
1<\/span><\/td>\n0<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n
1<\/span><\/td>\n1<\/span><\/td>\n0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

 <\/p>\n

– T\u00ednh ch\u1ea5t c\u1ee7a c\u1ed5ng logic EX-OR:<\/span><\/p>\n

+ Khi c\u00f3 m\u1ed9t ng\u00f5 v\u00e0o n\u1ed1i l\u00ean m\u1ee9c cao th\u00ec c\u1ed5ng EX-OR b\u1eb1ng c\u1ed5ng NOT.<\/span><\/p>\n

+ Khi c\u00f3 m\u1ed9t ng\u00f5 v\u00e0o n\u1ed1i xu\u1ed1ng m\u1ee9c th\u1ea5p th\u00ec c\u1ed5ng EX-OR b\u1eb1ng c\u1ed5ng BUFFER.<\/span><\/p>\n

3. C\u1ed5ng logic EX-NOR<\/strong><\/span><\/h2>\n

C\u1ed5ng logic EX-NOR l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p gi\u1eefa c\u1ed5ng EX-OR v\u00e0 c\u1ed5ng NOT. C\u00e1c t\u00ednh ch\u1ea5t c\u1ee7a c\u1ed5ng EX-NOR gi\u1ed1ng c\u1ed5ng EX-OR nh\u01b0ng c\u00f3 ng\u00e3 ra \u0111\u1ea3o l\u1ea1i.<\/span><\/p>\n

– K\u00fd hi\u1ec7u c\u1ee7a c\u1ed5ng logic EX-NOR:<\/span><\/p>\n

\"K\u00fd
K\u00fd hi\u1ec7u c\u1ee7a c\u1ed5ng logic EX-NOR<\/span><\/figcaption><\/figure>\n

4. C\u1ed5ng ph\u1ee9c AOI (AND-OR-INVERTER)<\/strong><\/span><\/h2>\n

Khi ta k\u1ebft n\u1ed1i nhi\u1ec1u c\u1ed5ng logic kh\u00e1c nhau nh\u1eb1m th\u1ef1c hi\u1ec7n m\u1ed9t m\u1ed9t h\u00e0m logic n\u00e0o \u0111\u00f3 th\u00ec n\u00f3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 c\u1ed5ng ph\u1ee9c AOI. \u0110\u1ec3 hi\u1ec3u r\u00f5 v\u1ec1 c\u1ed5ng ph\u1ee9c, ta t\u00ecm hi\u1ec3u v\u00ed d\u1ee5 d\u01b0\u1edbi \u0111\u00e2y.<\/span><\/p>\n

\"V\u00ed
V\u00ed d\u1ee5 v\u1ec1 c\u1ed5ng logic AOI<\/span><\/figcaption><\/figure>\n

Tr\u00ean \u0111\u00e2y l\u00e0 chia s\u1ebb c\u1ee7a H\u1ecdc vi\u1ec7n iT.vn v\u1ec1 c\u00e1c c\u1ed5ng logic: BUFFER, EX-OR, EX-NOR, AOI. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap \u00edch cho b\u1ea1n trong qu\u00e1 tr\u00ecnh h\u1ecdc t\u1eadp v\u00e0 l\u00e0m vi\u1ec7c. N\u1ebfu c\u00f3 b\u1ea5t c\u1ee9 th\u1eafc m\u1eafc n\u00e0o th\u00ec h\u00e3y \u0111\u1ec3 l\u1ea1i b\u00ecnh lu\u1eadn ngay d\u01b0\u1edbi b\u00e0i vi\u1ebft n\u00e0y ho\u1eb7c inbox tr\u1ef1c ti\u1ebfp cho HOCVIENiT.vn \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p t\u1ed1t nh\u1ea5t. Ch\u00fac b\u1ea1n th\u00e0nh c\u00f4ng!<\/span><\/p>\n

M\u1ecdi chi ti\u1ebft xin vui l\u00f2ng li\u00ean h\u1ec7:
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\nH\u1ecdc vi\u1ec7n IT.vn \u2013 Truy\u1ec1n ngh\u1ec1 th\u1ef1c t\u1ebf c\u00f9ng b\u1ea1n \u0111\u1ebfn th\u00e0nh c\u00f4ng!\u00a0<\/i><\/strong><\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

C\u1ed5ng logic l\u00e0 t\u00ean g\u1ecdi chung c\u1ee7a c\u00e1c m\u1ea1ch \u0111i\u1ec7n t\u1eed c\u00f3 ch\u1ee9c n\u0103ng th\u1ef1c hi\u1ec7n c\u00e1c h\u00e0m logic. C\u00e1c c\u1ed5ng logic bao g\u1ed3m: AND, OR, NOT, NOR, NAND, BUFFER, EX-OR, EX-NOR, AOI. Ng\u00e0y h\u00f4m nay, H\u1ecdc vi\u1ec7n iT.vn s\u1ebd ti\u1ebfp t\u1ee5c gi\u1edbi thi\u1ec7u t\u1edbi c\u00e1c b\u1ea1n c\u00e1c c\u1ed5ng logic: BUFFER, EX-OR, EX-NOR, AOI.<\/p>\n","protected":false},"author":95,"featured_media":18079,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[734],"tags":[319],"_links":{"self":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18067"}],"collection":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/users\/95"}],"replies":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18067"}],"version-history":[{"count":0,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/posts\/18067\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=\/wp\/v2\/media\/18079"}],"wp:attachment":[{"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hocvienit.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}