{"id":4927,"date":"2019-06-12T10:05:33","date_gmt":"2019-06-12T03:05:33","guid":{"rendered":"http:\/\/de-coffee.com\/?p=4927"},"modified":"2019-06-12T10:10:55","modified_gmt":"2019-06-12T03:10:55","slug":"uu-nhuoc-diem-cac-chien-luoc-dieu-phoi","status":"publish","type":"post","link":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/","title":{"rendered":"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I"},"content":{"rendered":"<p style=\"text-align: center\">\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I CPU<\/p>\n<p>\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ThS. Cao Th\u1ecb B\u00edch Li\u00ean, GV khoa C\u00f4ng ngh\u1ec7 th\u00f4ng tin<\/p>\n<ol>\n<li><strong> \u0110\u1eb7t v\u1ea5n \u0111\u1ec1<\/strong><\/li>\n<\/ol>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y s\u1ebd tr\u00ecnh b\u00e0y v\u1ec1 chi\u1ebfn l\u01b0\u1ee3c m\u1ed9t h\u00e0ng \u0111\u1ee3i nhi\u1ec1u ti\u1ebfn tr\u00ecnh ch\u1edd ph\u00e2n ph\u1ed1i x\u1eed l\u00fd. Trong chi\u1ebfn l\u01b0\u1ee3c m\u1ed9t h\u00e0ng \u0111\u1ee3i n\u00e0y c\u00f3 4 thu\u1eadt to\u00e1n ch\u00ednh FIFO, SJF, RR, Thu\u1eadt to\u00e1n \u01b0u ti\u00ean.<\/p>\n<ol>\n<li><strong> N\u1ed9i dung nghi\u00ean c\u1ee9u<\/strong><\/li>\n<li><strong><em> First In First Out (FIFO)<\/em><\/strong><\/li>\n<\/ol>\n<p>Trong thu\u1eadt to\u00e1n n\u00e0y, \u0111\u1ed9 \u01b0u ti\u00ean ph\u1ee5c v\u1ee5 ti\u1ebfn tr\u00ecnh c\u0103n c\u1ee9 v\u00e0o th\u1eddi \u0111i\u1ec3m h\u00ecnh th\u00e0nh ti\u1ebfn tr\u00ecnh. H\u00e0ng \u0111\u1ee3i c\u00e1c ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c theo ki\u1ec3u FIFO. M\u1ecdi ti\u1ebfn tr\u00ecnh \u0111\u1ec1u \u0111\u01b0\u1ee3c ph\u1ee5c v\u1ee5 theo tr\u00ecnh t\u1ef1 xu\u1ea5t hi\u1ec7n cho \u0111\u1ebfn khi k\u1ebft th\u00fac ho\u1eb7c b\u1ecb ng\u1eaft.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m c\u1ee7a thu\u1eadt to\u00e1n n\u00e0y l\u00e0 gi\u1edd CPU kh\u00f4ng b\u1ecb ph\u00e2n ph\u1ed1i l\u1ea1i (kh\u00f4ng b\u1ecb ng\u1eaft) v\u00e0 chi ph\u00ed th\u1ef1c hi\u1ec7n th\u1ea5p nh\u1ea5t (v\u00ec kh\u00f4ng ph\u1ea3i thay \u0111\u1ed5i th\u1ee9 t\u1ef1 \u01b0u ti\u00ean ph\u1ee5c v\u1ee5, th\u1ee9 t\u1ef1 \u01b0u ti\u00ean l\u00e0 th\u1ee9 t\u1ef1 c\u1ee7a ti\u1ebfn tr\u00ecnh trong h\u00e0ng \u0111\u1ee3i).<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a thu\u1eadt to\u00e1n l\u00e0 th\u1eddi gian trung b\u00ecnh ch\u1edd ph\u1ee5c v\u1ee5 c\u1ee7a c\u00e1c ti\u1ebfn tr\u00ecnh l\u00e0 nh\u01b0 nhau (kh\u00f4ng k\u1ec3 ti\u1ebfn tr\u00ecnh ng\u1eafn hay d\u00e0i), do \u0111\u00f3 d\u1eabn t\u1edbi ba \u0111i\u1ec3m sau:<\/li>\n<li>Th\u1eddi gian ch\u1edd trung b\u00ecnh s\u1ebd t\u0103ng v\u00f4 h\u1ea1n khi h\u1ec7 th\u1ed1ng ti\u1ebfp c\u1eadn t\u1edbi h\u1ea1n kh\u1ea3 n\u0103ng ph\u1ee5c v\u1ee5 c\u1ee7a m\u00ecnh.<\/li>\n<li>N\u1ebfu \u0111\u1ed9 ph\u00e1t t\u00e1n th\u1eddi gian th\u1ef1c hi\u1ec7n ti\u1ebfn tr\u00ecnh t\u0103ng th\u00ec th\u1eddi gian ch\u1edd \u0111\u1ee3i trung b\u00ecnh c\u0169ng t\u0103ng theo<\/li>\n<li>Khi c\u00f3 ti\u1ebfn tr\u00ecnh d\u00e0i, \u00edt b\u1ecb ng\u1eaft th\u00ec c\u00e1c ti\u1ebfn tr\u00ecnh kh\u00e1c ph\u1ea3i ch\u1edd \u0111\u1ee3i l\u00e2u h\u01a1n.<\/li>\n<\/ul>\n<p><strong>V\u00ed d\u1ee5:<\/strong><\/p>\n<table class=\"aligncenter\" style=\"height: 262px;width: 575px\" border=\"1\" width=\"575\" cellspacing=\"1\">\n<thead>\n<tr style=\"height: 80px\">\n<td style=\"width: 123px;height: 80px;text-align: center\"><strong>Ti\u1ebfn tr\u00ecnh<\/strong><\/td>\n<td style=\"width: 222px;height: 80px;text-align: center\"><strong>Th\u1eddi \u0111i\u1ec3m v\u00e0o<\/strong><\/td>\n<td style=\"width: 214px;height: 80px;text-align: center\"><strong>Th\u1eddi gian x\u1eed l\u00ed<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 55px\">\n<td style=\"width: 123px;height: 55px\">P1<\/td>\n<td style=\"width: 222px;height: 55px\">0<\/td>\n<td style=\"width: 214px;height: 55px\">24<\/td>\n<\/tr>\n<tr style=\"height: 56px\">\n<td style=\"width: 123px;height: 56px\">P2<\/td>\n<td style=\"width: 222px;height: 56px\">1<\/td>\n<td style=\"width: 214px;height: 56px\">3<\/td>\n<\/tr>\n<tr style=\"height: 56px\">\n<td style=\"width: 123px;height: 56px\">P3<\/td>\n<td style=\"width: 222px;height: 56px\">2<\/td>\n<td style=\"width: 214px;height: 56px\">3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Th\u1ee9 t\u1ef1 c\u1ea5p ph\u00e1t ti\u1ebfn tr\u00ecnh:<\/p>\n<table class=\"aligncenter\" style=\"height: 122px;width: 573px\" border=\"1\" width=\"573\">\n<thead>\n<tr style=\"height: 56px\">\n<td style=\"width: 141px;height: 56px\">Ti\u1ebfn tr\u00ecnh<\/td>\n<td style=\"width: 67px;height: 56px\">P1<\/td>\n<td style=\"width: 46px;height: 56px\">P2<\/td>\n<td style=\"width: 62px;height: 56px\">P3<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"height: 48px\">\n<td style=\"width: 141px;height: 48px\">Th\u1eddi \u0111i\u1ec3m<\/td>\n<td style=\"width: 67px;height: 48px\">0<\/td>\n<td style=\"width: 46px;height: 48px\">24<\/td>\n<td style=\"width: 62px;height: 48px\">27\/30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Th\u1eddi gian ch\u1edd trung b\u00ecnh: (0+23+25)\/3=16 milliseconds.<\/p>\n<ol start=\"2\">\n<li><strong><em> Round robin (RR)<\/em><\/strong><\/li>\n<\/ol>\n<p>Gi\u1ea3i thu\u1eadt \u0111\u1ecbnh th\u1eddi lu\u00e2n phi\u00ean (round-robin scheduling algorithm-RR) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t cho h\u1ec7 th\u1ed1ng chia s\u1ebb th\u1eddi gian. T\u01b0\u01a1ng t\u1ef1 nh\u01b0 \u0111\u1ecbnh th\u1eddi FIFO nh\u01b0ng s\u1ef1 tr\u01b0ng d\u1ee5ng CPU \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111\u1ec3 chuy\u1ec3n CPU gi\u1eefa c\u00e1c qu\u00e1 tr\u00ecnh. \u0110\u01a1n v\u1ecb th\u1eddi gian nh\u1ecf \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0111\u1ecbnh m\u1ee9c th\u1eddi gian (time quantum) hay ph\u1ea7n th\u1eddi gian (time slice) \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a. H\u00e0ng \u0111\u1ee3i s\u1eb5n s\u00e0ng \u0111\u01b0\u1ee3c xem nh\u01b0 m\u1ed9t h\u00e0ng \u0111\u1ee3i v\u00f2ng. B\u1ed9 \u0111\u1ecbnh th\u1eddi CPU di chuy\u1ec3n v\u00f2ng quanh h\u00e0ng \u0111\u1ee3i s\u1eb5n s\u00e0ng, c\u1ea5p ph\u00e1t CPU t\u1edbi m\u1ed7i qu\u00e1 tr\u00ecnh c\u00f3 kho\u1ea3ng th\u1eddi gian t\u1ed1i \u0111a b\u1eb1ng m\u1ed9t \u0111\u1ecbnh m\u1ee9c th\u1eddi gian. \u0110\u1ec3 c\u00e0i \u0111\u1eb7t \u0111\u1ecbnh th\u1eddi RR, ch\u00fang ta qu\u1ea3n l\u00fd h\u00e0ng \u0111\u1ee3i s\u1eb5n s\u00e0ng nh\u01b0 m\u1ed9t h\u00e0ng \u0111\u1ee3i FIFO c\u1ee7a c\u00e1c qu\u00e1 tr\u00ecnh. C\u00e1c qu\u00e1 tr\u00ecnh m\u1edbi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o \u0111u\u00f4i h\u00e0ng \u0111\u1ee3i. B\u1ed9 \u0111\u1ecbnh th\u1eddi CPU ch\u1ecdn qu\u00e1 tr\u00ecnh \u0111\u1ea7u ti\u00ean t\u1eeb h\u00e0ng \u0111\u1ee3i s\u1eb5n s\u00e0ng, \u0111\u1eb7t b\u1ed9 \u0111\u1ebfm th\u1eddi gian \u0111\u1ec3 ng\u1eaft sau 1 \u0111\u1ecbnh m\u1ee9c th\u1eddi gian v\u00e0 g\u1edfi t\u1edbi qu\u00e1 tr\u00ecnh. Sau \u0111\u00f3, m\u1ed9t trong hai tr\u01b0\u1eddng h\u1ee3p s\u1ebd x\u1ea3y ra. Qu\u00e1 tr\u00ecnh c\u00f3 1chu k\u1ef3 CPU \u00edt h\u01a1n 1 \u0111\u1ecbnh m\u1ee9c th\u1eddi gian. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, qu\u00e1 tr\u00ecnh s\u1ebd t\u1ef1 gi\u1ea3i ph\u00f3ng. Sau \u0111\u00f3, b\u1ed9 \u0111\u1ecbnh th\u1eddi bi\u1ec3u s\u1ebd x\u1eed l\u00fd qu\u00e1 tr\u00ecnh ti\u1ebfp theo trong h\u00e0ng \u0111\u1ee3i s\u1eb5n s\u00e0ng. Ng\u01b0\u1ee3c l\u1ea1i, n\u1ebfu chu k\u1ef3 CPU c\u1ee7a qu\u00e1 tr\u00ecnh \u0111ang ch\u1ea1y d\u00e0i h\u01a1n 1 \u0111\u1ecbnh m\u1ee9c th\u1eddi gian th\u00ec \u0111\u1ed9 \u0111\u1ebfm th\u1eddi gian s\u1ebd b\u00e1o v\u00e0 g\u00e2y ra m\u1ed9t ng\u1eaft t\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Chuy\u1ec3n \u0111\u1ed5i ng\u1eef c\u1ea3nh s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c thi v\u00e0 qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c \u0111\u1eb7t tr\u1edf l\u1ea1i t\u1ea1i \u0111u\u00f4i c\u1ee7a h\u00e0ng \u0111\u1ee3i s\u1eb5n s\u00e0ng. Sau \u0111\u00f3, b\u1ed9 \u0111\u1ecbnh th\u1eddi bi\u1ec3u CPU s\u1ebd ch\u1ecdn qu\u00e1 tr\u00ecnh ti\u1ebfp theo trong h\u00e0ng \u0111\u1ee3i s\u1eb5n s\u00e0ng.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m:<\/li>\n<li>C\u00e1c qu\u00e1 tr\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c lu\u00e2n phi\u00ean cho CPU x\u1eef l\u00fd n\u00ean th\u1eddi gian ch\u1edd \u0111\u1ee3i s\u1ebd \u00edt.<\/li>\n<li>\u0110\u1ed1i v\u1edbi c\u00e1c qu\u00e1 tr\u00ecnh li\u00ean quan \u0111\u1ebfn nh\u1eadp xu\u1ea5t, IO, ng\u01b0\u1eddi d\u00f9ng th\u00ec r\u1ea5t hi\u1ec7u qu\u1ea3.<\/li>\n<li>Vi\u1ec7c c\u00e0i \u0111\u1eb7t kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p<\/li>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/li>\n<li>Th\u1eddi gian ch\u1edd \u0111\u1ee3i trung b\u00ecnh d\u01b0\u1edbi ch\u00ednh s\u00e1ch RR th\u01b0\u1eddng l\u00e0 qu\u00e1 d\u00e0i.<\/li>\n<li>N\u1ebfu th\u1eddi gian \u0111\u1ecbnh m\u1ee9c cho vi\u1ec7c x\u1eef l\u00fd qu\u00e1 l\u1edbn th\u00ec RR th\u00e0nh FIFO<\/li>\n<li>N\u1ebfu th\u1eddi gian qu\u00e1 ng\u1eafn so v\u1edbi th\u1eddi gian x\u1eef l\u00fd c\u1ee7a m\u1ed9t ti\u1ebfn tr\u00ecnh trong danh s\u00e1ch h\u00e0ng \u0111\u1ee3i th\u00ec vi\u1ec7c ch\u1edd \u0111\u1ee3i v\u00e0 x\u1eef l\u00fd lu\u00e2n phi\u00ean s\u1ebd nhi\u1ec1u.\n<ul>\n<li>Qui t\u1eafc l\u00e0 \u0111\u1ecbnh m\u1ee9c th\u1eddi gian n\u00ean d\u00e0i h\u01a1n 80% chu k\u1ef3 CPU.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<table width=\"511\">\n<thead>\n<tr>\n<td width=\"162\"><strong>Ti\u1ebfn tr\u00ecnh<\/strong><\/td>\n<td width=\"161\"><strong>th\u1eddi \u0111i\u1ec3m v\u00e0o<\/strong><\/td>\n<td width=\"189\"><strong>th\u1eddi gian x\u1eed l\u00fd<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"162\">P1<\/td>\n<td width=\"161\">0<\/td>\n<td width=\"189\">24<\/td>\n<\/tr>\n<tr>\n<td width=\"162\">P2<\/td>\n<td width=\"161\">1<\/td>\n<td width=\"189\">3<\/td>\n<\/tr>\n<tr>\n<td width=\"162\">P3<\/td>\n<td width=\"161\">2<\/td>\n<td width=\"189\">3<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Quantum = 4 milliseconds<\/p>\n<p>Th\u00ec th\u1ee9 t\u1ef1 c\u1ea5p processor cho c\u00e1c ti\u1ebfn tr\u00ecnh l\u1ea7n l\u01b0\u1ee3t l\u00e0:<\/p>\n<p>&nbsp;<\/p>\n<table width=\"624\">\n<thead>\n<tr>\n<td width=\"85\"><strong>Ti\u1ebfn tr\u00ecnh<\/strong><\/td>\n<td width=\"60\"><strong>P1<\/strong><\/td>\n<td width=\"60\"><strong>P2<\/strong><\/td>\n<td width=\"60\"><strong>P3<\/strong><\/td>\n<td width=\"60\"><strong>P1<\/strong><\/td>\n<td width=\"60\"><strong>P1<\/strong><\/td>\n<td width=\"60\"><strong>P1<\/strong><\/td>\n<td width=\"60\"><strong>P1<\/strong><\/td>\n<td width=\"60\"><strong>P1<\/strong><\/td>\n<td width=\"60\"><strong>P1<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td width=\"85\">Th\u1eddi \u0111i\u1ec3m<\/td>\n<td width=\"60\">0<\/td>\n<td width=\"60\">4<\/td>\n<td width=\"60\">7<\/td>\n<td width=\"60\">10<\/td>\n<td width=\"60\">14<\/td>\n<td width=\"60\">18<\/td>\n<td width=\"60\">22<\/td>\n<td width=\"60\">26<\/td>\n<td width=\"60\">30<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>V\u1eady th\u1eddi gian ch\u1edd \u0111\u1ee3i trung b\u00ecnh s\u1ebd l\u00e0: (0+6+3+5)\/3 = 4,67 milliseconds. Nh\u01b0 v\u1eady RR c\u00f3 th\u1eddi gian ch\u1edd \u0111\u1ee3i trung b\u00ecnh nh\u1ecf h\u01a1n so v\u1edbi FIFO<\/p>\n<ol start=\"3\">\n<li><strong><em> Shortest Job First (SJF)<\/em><\/strong><\/li>\n<\/ol>\n<p>M\u1ed9t ti\u1ebfp c\u1eadn kh\u00e1c \u0111\u1ed1i v\u1edbi vi\u1ec7c \u0111\u1ecbnh th\u1eddi CPU l\u00e0 gi\u1ea3i thu\u1eadt \u0111\u1ecbnh th\u1eddi c\u00f4ng vi\u1ec7c ng\u1eafn nh\u1ea5t tr\u01b0\u1edbc (shortest-job-first-SJF). Gi\u1ea3i thu\u1eadt n\u00e0y g\u00e1n t\u1edbi m\u1ed7i qu\u00e1 tr\u00ecnh chi\u1ec1u d\u00e0i c\u1ee7a chu k\u1ef3 CPU ti\u1ebfp theo cho qu\u00e1 tr\u00ecnh sau \u0111\u00f3. Khi CPU s\u1eb5n d\u00f9ng, n\u00f3 \u0111\u01b0\u1ee3c g\u00e1n t\u1edbi qu\u00e1 tr\u00ecnh c\u00f3 chu k\u1ef3 CPU k\u1ebf ti\u1ebfp ng\u1eafn nh\u1ea5t. N\u1ebfu hai qu\u00e1 tr\u00ecnh c\u00f3 c\u00f9ng chi\u1ec1u d\u00e0i chu k\u1ef3 CPU k\u1ebf ti\u1ebfp, \u0111\u1ecbnh th\u1eddi FIFO \u0111\u01b0\u1ee3c d\u00f9ng. Ch\u00fa \u00fd r\u1eb1ng thu\u1eadt ng\u1eef ph\u00f9 h\u1ee3p h\u01a1n l\u00e0 chu k\u1ef3 CPU k\u1ebf ti\u1ebfp ng\u1eafn nh\u1ea5t (shortest next CPU burst) v\u00ec \u0111\u1ecbnh th\u1eddi \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch xem x\u00e9t chi\u1ec1u d\u00e0i c\u1ee7a chu k\u1ef3 CPU k\u1ebf ti\u1ebfp c\u1ee7a qu\u00e1 tr\u00ecnh h\u01a1n l\u00e0 to\u00e0n b\u1ed9 chi\u1ec1u d\u00e0i c\u1ee7a n\u00f3. Ch\u00fang ta d\u00f9ng thu\u1eadt ng\u1eef SJF v\u00ec h\u1ea7u h\u1ebft m\u1ecdi ng\u01b0\u1eddi v\u00e0 m\u1ecdi s\u00e1ch tham kh\u1ea3o t\u1edbi nguy\u00ean l\u00fd c\u1ee7a lo\u1ea1i \u0111\u1ecbnh th\u1eddi bi\u1ec3u n\u00e0y nh\u01b0 SJF.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m:<\/li>\n<\/ul>\n<ul>\n<li>Gi\u1ea3i thu\u1eadt \u0111\u01b0\u1ee3c xem l\u00e0 t\u1ed1i \u01b0u, th\u1eddi gian ch\u1edd \u0111\u1ee3i trung b\u00ecnh gi\u1ea3m<\/li>\n<li>T\u1eadn d\u1ee5ng h\u1ebft n\u0103ng l\u1ef1c c\u1ee7a CPU\n<ul>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/li>\n<\/ul>\n<\/li>\n<li>C\u00e0i \u0111\u1eb7t thu\u1eadt to\u00e1n ph\u1ee9c t\u1ea1p, t\u1ed1n nhi\u1ec1u x\u1eef l\u00fd cho qu\u00e1 tr\u00ecnh qu\u1ea3n l\u00fd.<\/li>\n<li>M\u1eb7c d\u00f9 SJF l\u00e0 t\u1ed1i \u01b0u nh\u01b0ng n\u00f3 kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c c\u00e0i \u0111\u1eb7t t\u1ea1i c\u1ea5p \u0111\u1ecbnh th\u1eddi CPU ng\u1eafn v\u00ec kh\u00f4ng c\u00f3 c\u00e1ch n\u00e0o \u0111\u1ec3 bi\u1ebft chi\u1ec1u d\u00e0i chu k\u1ef3 CPU ti\u1ebfp theo.<\/li>\n<li>Gi\u1ea3i thu\u1eadt SJF c\u00f3 th\u1ec3 tr\u01b0ng d\u1ee5ng ho\u1eb7c kh\u00f4ng tr\u01b0ng d\u1ee5ng CPU, d\u1eabn t\u1edbi gi\u1ea3i thu\u1eadt n\u00e0y c\u00f3 nhi\u1ec1u d\u1ecb b\u1ea3n kh\u00e1c nhau v\u00e0 s\u1ebd t\u1ed1i \u01b0u hay kh\u00f4ng t\u1ed1i \u01b0u ph\u1ee5 thu\u1ed9c v\u00e0o tr\u01b0ng d\u1ee5ng CPU.<\/li>\n<\/ul>\n<ol start=\"4\">\n<li><strong><em> Shortest Remain Time (SRT)<\/em><\/strong><\/li>\n<\/ol>\n<p>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 SJF nh\u01b0ng trong thu\u1eadt to\u00e1n n\u00e0y, \u0111\u1ed9 \u01b0u ti\u00ean th\u1ef1c hi\u1ec7n c\u00e1c ti\u1ebfn tr\u00ecnh d\u1ef1a v\u00e0o th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 th\u1ef1c hi\u1ec7n n\u1ed1t ti\u1ebfn tr\u00ecnh (b\u1eb1ng t\u1ed5ng th\u1eddi gian tr\u1eeb \u0111i th\u1eddi gian \u0111\u00e3 th\u1ef1c hi\u1ec7n). Nh\u01b0 v\u1eady, trong thu\u1eadt to\u00e1n n\u00e0y c\u1ea7n ph\u1ea3i th\u01b0\u1eddng xuy\u00ean c\u1eadp nh\u1eadt th\u00f4ng tin v\u1ec1 gi\u1eddi gian \u0111\u00e3 th\u1ef1c hi\u1ec7n c\u1ee7a ti\u1ebfn tr\u00ecnh. \u0110\u1ed3ng th\u1eddi, ch\u1ebf \u0111\u1ed9 ph\u00e2n b\u1ed5 l\u1ea1i gi\u1edd CPU c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng n\u1ebfu kh\u00f4ng s\u1ebd l\u00e0m m\u1ea5t t\u00ecnh \u01b0u vi\u1ec7c c\u1ee7a thu\u1eadt to\u00e1n.<\/p>\n<ul>\n<li>\u01afu \u0111i\u1ec3m:<\/li>\n<\/ul>\n<ul>\n<li>Th\u1eddi gian ch\u1edd \u0111\u1ee3i, t\u1ed3n t\u1ea1i trong h\u1ec7 th\u1ed1ng c\u1ee7a m\u1ed7i ti\u1ebfn tr\u00ecnh \u0111\u1ec1u ng\u1eafn<\/li>\n<li>Thu\u1eadt to\u00e1n t\u1ed1i \u01b0u nh\u1ea5t\n<ul>\n<li>Nh\u01b0\u1ee3c \u0111i\u1ec3m:<\/li>\n<\/ul>\n<\/li>\n<li>Vi\u1ec7c c\u00e0i \u0111\u1eb7t thu\u1eadt to\u00e1n kh\u00e1 ph\u1ee9c t\u1ea1p<\/li>\n<li>C\u1ea7n qu\u1ea3n l\u00fd ch\u1eb7t ch\u1ebd vi\u1ec7c \u0111i\u1ec1u ph\u1ed1i c\u00e1c ti\u1ebfn tr\u00ecnh<\/li>\n<li>Qu\u1ea3n l\u00fd th\u1eddi gian \u0111\u1ebfn c\u1ee7a m\u1ed7i ti\u1ebfn tr\u00ecnh<\/li>\n<\/ul>\n<h1><a name=\"_Toc76379784\"><\/a>III. K\u1ebft lu\u1eadn<\/h1>\n<p>Nh\u01b0 v\u1eady, t\u00f9y thu\u1ed9c v\u00e0o t\u1eebng b\u00e0i to\u00e1n c\u1ee5 th\u1ec3 ta c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i n\u00e0o cho c\u00e1c ti\u1ebfn tr\u00ecnh nh\u1eb1m \u0111\u01b0a l\u1ea1i th\u1eddi gian ch\u1edd \u0111\u1ee3i \u0111\u1ec3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd c\u1ee7a c\u00e1c ti\u1ebfn tr\u00ecnh m\u1ed9t c\u00e1ch nhanh nh\u1ea5t.<\/p>\n<h1>C. T\u00e0i li\u1ec7u tham kh\u1ea3o<\/h1>\n[1]. H\u1ed3 \u0110\u1eafc Ph\u01b0\u01a1ng (2010), Nguy\u00ean l\u00fd h\u1ec7 \u0111i\u1ec1u h\u00e0nh, NXB Gi\u00e1o d\u1ee5c.<\/p>\n[2]. T\u1eeb Minh Ph\u01b0\u01a1ng (2013), Gi\u00e1o tr\u00ecnh h\u1ec7 \u0111i\u1ec1u h\u00e0nh, NXB, H\u1ecdc vi\u1ec7n c\u00f4ng ngh\u1ec7 B\u01b0u ch\u00ednh Vi\u1ec5n th\u00f4ng.<\/p>\n[3]. Nguy\u1ec5n Kim Tu\u1ea5n (2014), Gi\u00e1o tr\u00ecnh l\u00fd thuy\u1ebft h\u1ec7 \u0111i\u1ec1u h\u00e0nh, NXB \u0110HQGHN.<\/p>\n[4]. H\u00e0 Quang Th\u1ee5y (2009), Gi\u00e1o tr\u00ecnh Nguy\u00ean l\u00fd h\u1ec7 \u0111i\u1ec1u h\u00e0nh, NXB Khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong m\u00f4i tr\u01b0\u1eddng \u0111a ch\u01b0\u01a1ng, c\u00f3 th\u1ec3 x\u1ea3y ra t\u00ecnh hu\u1ed1ng nhi\u1ec1u ti\u1ebfn tr\u00ecnh \u0111\u1ed3ng th\u1eddi s\u1eb5n s\u00e0ng \u0111\u1ec3 x\u1eed l\u00fd. M\u1ee5c ti\u00eau c\u1ee7a c\u00e1c h\u1ec7 ph\u00e2n chia th\u1eddi gian l\u00e0 chuy\u1ec3n \u0111\u1ed5i CPU qua l\u1ea1i gi\u1eefa c\u00e1c ti\u1ebfn tr\u00ecnh m\u1ed9t c\u00e1ch th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c c\u00f9ng l\u00fac v\u1edbi t\u1eebng ch\u01b0\u01a1ng tr\u00ecnh trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. \u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau n\u00e0y, h\u1ec7 \u0111i\u1ec1u h\u00e0nh ph\u1ea3i l\u1ef1a ch\u1ecdn ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c x\u1eed l\u00fd ti\u1ebfp theo. B\u1ed9 \u0111i\u1ec1u ph\u1ed1i s\u1ebd s\u1eed d\u1ee5ng m\u1ed9t gi\u1ea3i thu\u1eadt \u0111i\u1ec1u ph\u1ed1i (chi\u1ebfn l\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i) th\u00edch h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 n\u00e0y nh\u1eb1m \u0111\u01b0a ra s\u1ef1 c\u00f4ng b\u1eb1ng, t\u00ednh hi\u1ec7u qu\u1ea3, th\u1eddi gian \u0111\u00e1p \u1ee9ng h\u1ee3p l\u00ed, th\u1eddi gian l\u01b0u l\u1ea1i trong h\u1ec7 th\u1ed1ng h\u1ee3p l\u00ed. <\/p>\n","protected":false},"author":21,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[49],"tags":[],"yoast_head":"\n<title>\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I - Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I - Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long\" \/>\n<meta property=\"og:description\" content=\"Trong m\u00f4i tr\u01b0\u1eddng \u0111a ch\u01b0\u01a1ng, c\u00f3 th\u1ec3 x\u1ea3y ra t\u00ecnh hu\u1ed1ng nhi\u1ec1u ti\u1ebfn tr\u00ecnh \u0111\u1ed3ng th\u1eddi s\u1eb5n s\u00e0ng \u0111\u1ec3 x\u1eed l\u00fd. M\u1ee5c ti\u00eau c\u1ee7a c\u00e1c h\u1ec7 ph\u00e2n chia th\u1eddi gian l\u00e0 chuy\u1ec3n \u0111\u1ed5i CPU qua l\u1ea1i gi\u1eefa c\u00e1c ti\u1ebfn tr\u00ecnh m\u1ed9t c\u00e1ch th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c c\u00f9ng l\u00fac v\u1edbi t\u1eebng ch\u01b0\u01a1ng tr\u00ecnh trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. \u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau n\u00e0y, h\u1ec7 \u0111i\u1ec1u h\u00e0nh ph\u1ea3i l\u1ef1a ch\u1ecdn ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c x\u1eed l\u00fd ti\u1ebfp theo. B\u1ed9 \u0111i\u1ec1u ph\u1ed1i s\u1ebd s\u1eed d\u1ee5ng m\u1ed9t gi\u1ea3i thu\u1eadt \u0111i\u1ec1u ph\u1ed1i (chi\u1ebfn l\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i) th\u00edch h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 n\u00e0y nh\u1eb1m \u0111\u01b0a ra s\u1ef1 c\u00f4ng b\u1eb1ng, t\u00ednh hi\u1ec7u qu\u1ea3, th\u1eddi gian \u0111\u00e1p \u1ee9ng h\u1ee3p l\u00ed, th\u1eddi gian l\u01b0u l\u1ea1i trong h\u1ec7 th\u1ed1ng h\u1ee3p l\u00ed.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/\" \/>\n<meta property=\"og:site_name\" content=\"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long\" \/>\n<meta property=\"article:published_time\" content=\"2019-06-12T03:05:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-06-12T03:10:55+00:00\" \/>\n<meta name=\"author\" content=\"Ph\u00f2ng QLKH\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ph\u00f2ng QLKH\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"10 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/\"},\"author\":{\"name\":\"Ph\u00f2ng QLKH\",\"@id\":\"https:\/\/de-coffee.com\/#\/schema\/person\/0d9a9c426ba3addf6e59b92dbc8271a0\"},\"headline\":\"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I\",\"datePublished\":\"2019-06-12T03:05:33+00:00\",\"dateModified\":\"2019-06-12T03:10:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/\"},\"wordCount\":2018,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/de-coffee.com\/#organization\"},\"articleSection\":[\"Ho\u1ea1t \u0111\u1ed9ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7\"],\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/\",\"url\":\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/\",\"name\":\"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I - Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long\",\"isPartOf\":{\"@id\":\"https:\/\/de-coffee.com\/#website\"},\"datePublished\":\"2019-06-12T03:05:33+00:00\",\"dateModified\":\"2019-06-12T03:10:55+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Trang ch\u1ee7\",\"item\":\"https:\/\/de-coffee.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/de-coffee.com\/#website\",\"url\":\"https:\/\/de-coffee.com\/\",\"name\":\"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long\",\"description\":\"L\u1ef1a ch\u1ecdn \u0111\u1ec3 th\u00e0nh c\u00f4ng\",\"publisher\":{\"@id\":\"https:\/\/de-coffee.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/de-coffee.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/de-coffee.com\/#organization\",\"name\":\"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long\",\"url\":\"https:\/\/de-coffee.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/de-coffee.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/de-coffee.com\/wp-content\/uploads\/2022\/02\/cropped-Logo-Dai-Hoc-Ha-Long-UHL-V.png\",\"contentUrl\":\"https:\/\/de-coffee.com\/wp-content\/uploads\/2022\/02\/cropped-Logo-Dai-Hoc-Ha-Long-UHL-V.png\",\"width\":1199,\"height\":1024,\"caption\":\"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long\"},\"image\":{\"@id\":\"https:\/\/de-coffee.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/de-coffee.com\/#\/schema\/person\/0d9a9c426ba3addf6e59b92dbc8271a0\",\"name\":\"Ph\u00f2ng QLKH\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/de-coffee.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/8fca5f032438a839f8ad6f7fd53ef624?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/8fca5f032438a839f8ad6f7fd53ef624?s=96&d=mm&r=g\",\"caption\":\"Ph\u00f2ng QLKH\"},\"url\":\"https:\/\/de-coffee.com\/author\/phongqlkh\/\"}]}<\/script>\n","yoast_head_json":{"title":"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I - Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/","og_locale":"vi_VN","og_type":"article","og_title":"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I - Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long","og_description":"Trong m\u00f4i tr\u01b0\u1eddng \u0111a ch\u01b0\u01a1ng, c\u00f3 th\u1ec3 x\u1ea3y ra t\u00ecnh hu\u1ed1ng nhi\u1ec1u ti\u1ebfn tr\u00ecnh \u0111\u1ed3ng th\u1eddi s\u1eb5n s\u00e0ng \u0111\u1ec3 x\u1eed l\u00fd. M\u1ee5c ti\u00eau c\u1ee7a c\u00e1c h\u1ec7 ph\u00e2n chia th\u1eddi gian l\u00e0 chuy\u1ec3n \u0111\u1ed5i CPU qua l\u1ea1i gi\u1eefa c\u00e1c ti\u1ebfn tr\u00ecnh m\u1ed9t c\u00e1ch th\u01b0\u1eddng xuy\u00ean \u0111\u1ec3 nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c c\u00f9ng l\u00fac v\u1edbi t\u1eebng ch\u01b0\u01a1ng tr\u00ecnh trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd. \u0110\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c m\u1ee5c ti\u00eau n\u00e0y, h\u1ec7 \u0111i\u1ec1u h\u00e0nh ph\u1ea3i l\u1ef1a ch\u1ecdn ti\u1ebfn tr\u00ecnh \u0111\u01b0\u1ee3c x\u1eed l\u00fd ti\u1ebfp theo. B\u1ed9 \u0111i\u1ec1u ph\u1ed1i s\u1ebd s\u1eed d\u1ee5ng m\u1ed9t gi\u1ea3i thu\u1eadt \u0111i\u1ec1u ph\u1ed1i (chi\u1ebfn l\u01b0\u1ee3c \u0111i\u1ec1u ph\u1ed1i) th\u00edch h\u1ee3p \u0111\u1ec3 th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 n\u00e0y nh\u1eb1m \u0111\u01b0a ra s\u1ef1 c\u00f4ng b\u1eb1ng, t\u00ednh hi\u1ec7u qu\u1ea3, th\u1eddi gian \u0111\u00e1p \u1ee9ng h\u1ee3p l\u00ed, th\u1eddi gian l\u01b0u l\u1ea1i trong h\u1ec7 th\u1ed1ng h\u1ee3p l\u00ed.","og_url":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/","og_site_name":"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long","article_published_time":"2019-06-12T03:05:33+00:00","article_modified_time":"2019-06-12T03:10:55+00:00","author":"Ph\u00f2ng QLKH","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"Ph\u00f2ng QLKH","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"10 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#article","isPartOf":{"@id":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/"},"author":{"name":"Ph\u00f2ng QLKH","@id":"https:\/\/de-coffee.com\/#\/schema\/person\/0d9a9c426ba3addf6e59b92dbc8271a0"},"headline":"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I","datePublished":"2019-06-12T03:05:33+00:00","dateModified":"2019-06-12T03:10:55+00:00","mainEntityOfPage":{"@id":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/"},"wordCount":2018,"commentCount":0,"publisher":{"@id":"https:\/\/de-coffee.com\/#organization"},"articleSection":["Ho\u1ea1t \u0111\u1ed9ng Khoa h\u1ecdc C\u00f4ng ngh\u1ec7"],"inLanguage":"vi","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/","url":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/","name":"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I - Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long","isPartOf":{"@id":"https:\/\/de-coffee.com\/#website"},"datePublished":"2019-06-12T03:05:33+00:00","dateModified":"2019-06-12T03:10:55+00:00","breadcrumb":{"@id":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/de-coffee.com\/phong-htqt-qlkh\/hoat-dong-khoa-hoc-cong-nghe\/uu-nhuoc-diem-cac-chien-luoc-dieu-phoi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Trang ch\u1ee7","item":"https:\/\/de-coffee.com\/"},{"@type":"ListItem","position":2,"name":"\u01afU NH\u01af\u1ee2C \u0110I\u1ec2M C\u00c1C CHI\u1ebeN L\u01af\u1ee2C \u0110I\u1ec0U PH\u1ed0I"}]},{"@type":"WebSite","@id":"https:\/\/de-coffee.com\/#website","url":"https:\/\/de-coffee.com\/","name":"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long","description":"L\u1ef1a ch\u1ecdn \u0111\u1ec3 th\u00e0nh c\u00f4ng","publisher":{"@id":"https:\/\/de-coffee.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/de-coffee.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/de-coffee.com\/#organization","name":"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long","url":"https:\/\/de-coffee.com\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/de-coffee.com\/#\/schema\/logo\/image\/","url":"https:\/\/de-coffee.com\/wp-content\/uploads\/2022\/02\/cropped-Logo-Dai-Hoc-Ha-Long-UHL-V.png","contentUrl":"https:\/\/de-coffee.com\/wp-content\/uploads\/2022\/02\/cropped-Logo-Dai-Hoc-Ha-Long-UHL-V.png","width":1199,"height":1024,"caption":"Tr\u01b0\u1eddng \u0110\u1ea1i H\u1ecdc H\u1ea1 Long"},"image":{"@id":"https:\/\/de-coffee.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/de-coffee.com\/#\/schema\/person\/0d9a9c426ba3addf6e59b92dbc8271a0","name":"Ph\u00f2ng QLKH","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/de-coffee.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/8fca5f032438a839f8ad6f7fd53ef624?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/8fca5f032438a839f8ad6f7fd53ef624?s=96&d=mm&r=g","caption":"Ph\u00f2ng QLKH"},"url":"https:\/\/de-coffee.com\/author\/phongqlkh\/"}]}},"_links":{"self":[{"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/posts\/4927"}],"collection":[{"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/users\/21"}],"replies":[{"embeddable":true,"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/comments?post=4927"}],"version-history":[{"count":5,"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/posts\/4927\/revisions"}],"predecessor-version":[{"id":5144,"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/posts\/4927\/revisions\/5144"}],"wp:attachment":[{"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/media?parent=4927"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/categories?post=4927"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/de-coffee.com\/wp-json\/wp\/v2\/tags?post=4927"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}