{"id":475917,"date":"2023-08-09T07:24:43","date_gmt":"2023-08-09T07:24:43","guid":{"rendered":""},"modified":"2023-09-05T11:11:34","modified_gmt":"2023-09-05T11:11:34","slug":"assembly-language","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/assembly-language\/","title":{"rendered":"H\u1ee3p ng\u1eef"},"content":{"rendered":"<p>H\u1ee3p ng\u1eef l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u1ea5p th\u1ea5p cung c\u1ea5p bi\u1ec3u di\u1ec5n t\u01b0\u1ee3ng tr\u01b0ng cho m\u00e3 m\u00e1y c\u1ee7a m\u00e1y t\u00ednh. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u00e1c ng\u00f4n ng\u1eef c\u1ea5p cao nh\u01b0 Python, Java ho\u1eb7c C++, h\u1ee3p ng\u1eef cung c\u1ea5p giao di\u1ec7n tr\u1ef1c ti\u1ebfp h\u01a1n v\u1edbi ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y t\u00ednh. M\u1ed7i lo\u1ea1i m\u00e1y t\u00ednh \u0111\u1ec1u c\u00f3 ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi ki\u1ebfn tr\u00fac c\u1ee5 th\u1ec3 c\u1ee7a n\u00f3.<\/p>\n<h2>S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a ng\u00f4n ng\u1eef h\u1ed9i<\/h2>\n<p>Ngu\u1ed3n g\u1ed1c c\u1ee7a h\u1ee3p ng\u1eef c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb nh\u1eefng n\u0103m 1940. Trong nh\u1eefng ng\u00e0y \u0111\u1ea7u c\u1ee7a m\u00e1y t\u00ednh, tr\u01b0\u1edbc khi c\u00e1c ng\u00f4n ng\u1eef c\u1ea5p cao \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u, l\u1eadp tr\u00ecnh m\u00e1y t\u00ednh li\u00ean quan \u0111\u1ebfn vi\u1ec7c thao t\u00e1c tr\u1ef1c ti\u1ebfp v\u1edbi ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y. C\u00e1c l\u1eadp tr\u00ecnh vi\u00ean vi\u1ebft m\u00e3 \u1edf d\u1ea1ng nh\u1ecb ph\u00e2n, \u0111\u00e2y l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh t\u1ed1n nhi\u1ec1u c\u00f4ng s\u1ee9c v\u00e0 d\u1ec5 x\u1ea3y ra l\u1ed7i. S\u1ef1 ra \u0111\u1eddi c\u1ee7a h\u1ee3p ng\u1eef l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 gi\u00fap qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh tr\u1edf n\u00ean hi\u1ec7u qu\u1ea3 h\u01a1n v\u00e0 \u00edt x\u1ea3y ra l\u1ed7i h\u01a1n.<\/p>\n<p>IBM th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u1eadn l\u00e0 ng\u01b0\u1eddi \u0111\u00e3 t\u1ea1o ra ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef \u0111\u1ea7u ti\u00ean v\u00e0o n\u0103m 1949, ng\u00f4n ng\u1eef n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho m\u00e1y t\u00ednh IBM 701. H\u1ee3p ng\u1eef IBM 701 cung c\u1ea5p m\u1ed9t c\u00e1ch l\u1eadp tr\u00ecnh \u0111\u01a1n gi\u1ea3n h\u01a1n, s\u1eed d\u1ee5ng c\u00e1c m\u00e3 ghi nh\u1edb \u0111\u1ec3 th\u1ec3 hi\u1ec7n c\u00e1c l\u1ec7nh m\u00e1y thay v\u00ec m\u00e3 nh\u1ecb ph\u00e2n.<\/p>\n<h2>M\u1edf r\u1ed9ng tr\u00ean ng\u00f4n ng\u1eef h\u1ed9i<\/h2>\n<p>Trong h\u1ee3p ng\u1eef, c\u00e1c m\u00e3 ghi nh\u1edb \u0111\u01a1n gi\u1ea3n t\u01b0\u01a1ng \u1ee9ng v\u1edbi c\u00e1c h\u01b0\u1edbng d\u1eabn \u1edf c\u1ea5p \u0111\u1ed9 m\u00e1y, l\u00e0m cho m\u00e3 d\u1ec5 hi\u1ec3u h\u01a1n \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi \u0111\u1ecdc. V\u00ed d\u1ee5: m\u1ed9t l\u1ec7nh \u0111\u01a1n gi\u1ea3n nh\u01b0 &#039;MOV&#039; c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 di chuy\u1ec3n d\u1eef li\u1ec7u t\u1eeb n\u01a1i n\u00e0y sang n\u01a1i kh\u00e1c, &#039;ADD&#039; l\u00e0 \u0111\u1ec3 c\u1ed9ng v\u00e0 &#039;SUB&#039; l\u00e0 \u0111\u1ec3 tr\u1eeb.<\/p>\n<p>Nh\u1eefng thu\u1eadt nh\u1edb n\u00e0y, c\u00f9ng v\u1edbi c\u00e1c to\u00e1n h\u1ea1ng, t\u1ea1o th\u00e0nh t\u1eadp l\u1ec7nh c\u1ee7a h\u1ee3p ng\u1eef. C\u00e1c to\u00e1n h\u1ea1ng th\u01b0\u1eddng ch\u1ec9 \u0111\u1ecbnh c\u00e1c thanh ghi ho\u1eb7c \u0111\u1ecba ch\u1ec9 b\u1ed9 nh\u1edb, l\u00e0 v\u1ecb tr\u00ed l\u01b0u tr\u1eef d\u1eef li\u1ec7u. C\u00e1c ch\u00fa th\u00edch c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o ch\u01b0\u01a1ng tr\u00ecnh h\u1ee3p ng\u1eef \u0111\u1ec3 gi\u1ea3i th\u00edch ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 c\u00e1c ng\u00f4n ng\u1eef c\u1ea5p cao.<\/p>\n<p>M\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 tr\u00ecnh bi\u00ean d\u1ecbch ch\u01b0\u01a1ng tr\u00ecnh d\u1ecbch h\u1ee3p ng\u1eef th\u00e0nh m\u00e3 m\u00e1y m\u00e0 m\u00e1y t\u00ednh c\u00f3 th\u1ec3 th\u1ef1c thi tr\u1ef1c ti\u1ebfp. M\u1ed9t s\u1ed1 tr\u00ecnh bi\u00ean d\u1ecbch m\u00e3 c\u0169ng cung c\u1ea5p kh\u1ea3 n\u0103ng macro, cho ph\u00e9p ng\u01b0\u1eddi l\u1eadp tr\u00ecnh x\u00e1c \u0111\u1ecbnh c\u00e1c ho\u1ea1t \u0111\u1ed9ng ph\u1ee9c t\u1ea1p v\u00e0 s\u1eed d\u1ee5ng ch\u00fang d\u01b0\u1edbi d\u1ea1ng c\u00e1c l\u1ec7nh \u0111\u01a1n l\u1ebb.<\/p>\n<h2>Ng\u00f4n ng\u1eef h\u1ed9i: Under the Hood<\/h2>\n<p>H\u1ee3p ng\u1eef cung c\u1ea5p s\u1ef1 t\u01b0\u01a1ng \u1ee9ng m\u1ed9t-m\u1ed9t gi\u1eefa c\u00e1c l\u1ec7nh c\u1ee7a n\u00f3 v\u00e0 c\u00e1c l\u1ec7nh m\u00e1y c\u1ee7a m\u1ed9t ki\u1ebfn tr\u00fac m\u00e1y t\u00ednh c\u1ee5 th\u1ec3. Khi tr\u00ecnh bi\u00ean d\u1ecbch ch\u01b0\u01a1ng tr\u00ecnh h\u1ee3p ng\u1eef d\u1ecbch m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh h\u1ee3p ng\u1eef, m\u1ed7i l\u1ec7nh h\u1ee3p ng\u1eef th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u1ecbch th\u00e0nh m\u1ed9t l\u1ec7nh m\u00e1y duy nh\u1ea5t.<\/p>\n<p>V\u00ed d\u1ee5: trong ki\u1ebfn tr\u00fac x86, l\u1ec7nh l\u1eafp r\u00e1p &#039;MOV AX, 10&#039; c\u00f3 th\u1ec3 d\u1ecbch sang m\u00e3 m\u00e1y &#039;B8 0A 00 00 00&#039;, trong \u0111\u00f3 &#039;B8&#039; \u0111\u1ea1i di\u1ec7n cho l\u1ec7nh MOV v\u00e0 &#039;0A 00 00 00&#039; l\u00e0 h\u1ec7 th\u1eadp l\u1ee5c ph\u00e2n \u0111\u1ea1i di\u1ec7n c\u1ee7a 10.<\/p>\n<h2>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a ng\u00f4n ng\u1eef h\u1ed9i<\/h2>\n<p>M\u1ed9t s\u1ed1 t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a h\u1ee3p ng\u1eef bao g\u1ed3m:<\/p>\n<ol>\n<li><strong>Thao t\u00e1c ph\u1ea7n c\u1ee9ng tr\u1ef1c ti\u1ebfp:<\/strong> H\u1ee3p ng\u1eef cho ph\u00e9p ki\u1ec3m so\u00e1t tr\u1ef1c ti\u1ebfp ph\u1ea7n c\u1ee9ng, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 r\u1ea5t quan tr\u1ecdng trong c\u00e1c t\u00ecnh hu\u1ed1ng nh\u1ea1y c\u1ea3m v\u1ec1 th\u1eddi gian ho\u1eb7c h\u1ea1n ch\u1ebf v\u1ec1 t\u00e0i nguy\u00ean.<\/li>\n<li><strong>Hi\u1ec7u su\u1ea5t hi\u1ec7u qu\u1ea3:<\/strong> V\u00ec ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef \u00e1nh x\u1ea1 tr\u1ef1c ti\u1ebfp t\u1edbi m\u00e3 m\u00e1y n\u00ean n\u00f3 th\u01b0\u1eddng cho ph\u00e9p m\u00e3 c\u00f3 hi\u1ec7u qu\u1ea3 cao.<\/li>\n<li><strong>Hi\u1ec3u bi\u1ebft v\u1ec1 ph\u1ea7n b\u00ean trong m\u00e1y t\u00ednh:<\/strong> L\u00e0m vi\u1ec7c v\u1edbi h\u1ee3p ng\u1eef c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u s\u00e2u h\u01a1n v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y t\u00ednh \u1edf c\u1ea5p \u0111\u1ed9 ph\u1ea7n c\u1ee9ng.<\/li>\n<\/ol>\n<h2>C\u00e1c lo\u1ea1i ng\u00f4n ng\u1eef h\u1ed9i<\/h2>\n<p>Ng\u00f4n ng\u1eef h\u1ed9i \u0111\u01b0\u1ee3c g\u1eafn v\u1edbi ki\u1ebfn tr\u00fac ph\u1ea7n c\u1ee9ng c\u1ee5 th\u1ec3. V\u00ec v\u1eady, c\u00f3 nhi\u1ec1u lo\u1ea1i ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef c\u0169ng nh\u01b0 c\u00f3 nhi\u1ec1u lo\u1ea1i ki\u1ebfn tr\u00fac m\u00e1y t\u00ednh. M\u1ed9t s\u1ed1 v\u00ed d\u1ee5 bao g\u1ed3m:<\/p>\n<table>\n<thead>\n<tr>\n<th>Ki\u1ebfn tr\u00fac m\u00e1y t\u00ednh<\/th>\n<th>H\u1ee3p ng\u1eef<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>x86 (Intel, AMD)<\/td>\n<td>h\u1ed9i x86<\/td>\n<\/tr>\n<tr>\n<td>ARM (\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong h\u1ea7u h\u1ebft \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh)<\/td>\n<td>h\u1ed9i c\u00e1nh tay<\/td>\n<\/tr>\n<tr>\n<td>MIPS (\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u h\u1ec7 th\u1ed1ng nh\u00fang)<\/td>\n<td>H\u1ed9i MIPS<\/td>\n<\/tr>\n<tr>\n<td>M\u00e1y t\u00ednh l\u1edbn c\u1ee7a IBM<\/td>\n<td>H\u1ed9i IBM<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>C\u00f4ng d\u1ee5ng v\u00e0 th\u00e1ch th\u1ee9c c\u1ee7a ng\u00f4n ng\u1eef h\u1ed9i<\/h2>\n<p>Ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c t\u00ecnh hu\u1ed1ng m\u00e0 vi\u1ec7c ki\u1ec3m so\u00e1t ph\u1ea7n c\u1ee9ng tr\u1ef1c ti\u1ebfp, hi\u1ec7u su\u1ea5t cao ho\u1eb7c k\u00edch th\u01b0\u1edbc m\u00e3 nh\u1ecf l\u00e0 r\u1ea5t quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y bao g\u1ed3m l\u1eadp tr\u00ecnh h\u1ec7 th\u1ed1ng, h\u1ec7 th\u1ed1ng nh\u00fang, tr\u00ecnh \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb v\u00e0 tr\u00f2 ch\u01a1i \u0111i\u1ec7n t\u1eed.<\/p>\n<p>Tuy nhi\u00ean, l\u1eadp tr\u00ecnh b\u1eb1ng h\u1ee3p ng\u1eef c\u00f3 th\u1ec3 g\u1eb7p kh\u00f3 kh\u0103n do t\u00ednh ph\u1ee9c t\u1ea1p v\u00e0 t\u00ednh \u0111\u1eb7c th\u00f9 c\u1ee7a ph\u1ea7n c\u1ee9ng. Vi\u1ec7c g\u1ee1 l\u1ed7i c\u0169ng kh\u00f3 kh\u0103n h\u01a1n v\u00ec kh\u00f4ng c\u00f3 c\u1ea5u tr\u00fac ng\u00f4n ng\u1eef ho\u1eb7c ki\u1ec3u d\u1eef li\u1ec7u c\u1ea5p cao. H\u01a1n n\u1eefa, v\u00ec c\u00e1c ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef d\u00e0nh ri\u00eang cho m\u1ed9t ki\u1ebfn tr\u00fac ph\u1ea7n c\u1ee9ng nh\u1ea5t \u0111\u1ecbnh n\u00ean m\u00e3 kh\u00f4ng th\u1ec3 di chuy\u1ec3n \u0111\u01b0\u1ee3c tr\u00ean c\u00e1c ki\u1ebfn tr\u00fac kh\u00e1c nhau.<\/p>\n<h2>So s\u00e1nh v\u1edbi c\u00e1c ng\u00f4n ng\u1eef c\u1ea5p th\u1ea5p kh\u00e1c<\/h2>\n<p>M\u1eb7c d\u00f9 h\u1ee3p ng\u1eef l\u00e0 m\u1ed9t lo\u1ea1i ng\u00f4n ng\u1eef c\u1ea5p th\u1ea5p nh\u01b0ng \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 ph\u1ea3i ph\u00e2n bi\u1ec7t n\u00f3 v\u1edbi ng\u00f4n ng\u1eef m\u00e1y. Ng\u00f4n ng\u1eef m\u00e1y bao g\u1ed3m m\u00e3 nh\u1ecb ph\u00e2n v\u00e0 m\u1ed7i l\u1ec7nh t\u01b0\u01a1ng \u1ee9ng tr\u1ef1c ti\u1ebfp v\u1edbi ho\u1ea1t \u0111\u1ed9ng ph\u1ea7n c\u1ee9ng c\u1ee7a m\u00e1y t\u00ednh.<\/p>\n<p>M\u1eb7t kh\u00e1c, h\u1ee3p ng\u1eef l\u00e0 phi\u00ean b\u1ea3n ng\u00f4n ng\u1eef m\u00e1y &#039;c\u00f3 th\u1ec3 \u0111\u1ecdc \u0111\u01b0\u1ee3c&#039; c\u1ee7a con ng\u01b0\u1eddi. N\u00f3 s\u1eed d\u1ee5ng c\u00e1c t\u00ean t\u01b0\u1ee3ng tr\u01b0ng cho c\u00e1c ph\u00e9p to\u00e1n v\u00e0 to\u00e1n h\u1ea1ng, l\u00e0m cho n\u00f3 d\u1ec5 hi\u1ec3u v\u00e0 d\u1ec5 l\u00e0m vi\u1ec7c h\u01a1n so v\u1edbi ng\u00f4n ng\u1eef m\u00e1y th\u00f4.<\/p>\n<h2>Quan \u0111i\u1ec3m t\u01b0\u01a1ng lai v\u1ec1 ng\u00f4n ng\u1eef h\u1ed9i<\/h2>\n<p>M\u1eb7c d\u00f9 vi\u1ec7c s\u1eed d\u1ee5ng h\u1ee3p ng\u1eef \u0111\u00e3 gi\u1ea3m \u0111i c\u00f9ng v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef c\u1ea5p cao nh\u01b0ng n\u00f3 v\u1eabn ti\u1ebfp t\u1ee5c c\u00f3 nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng. N\u00f3 r\u1ea5t c\u1ea7n thi\u1ebft trong c\u00e1c l\u0129nh v\u1ef1c nh\u01b0 l\u1eadp tr\u00ecnh ph\u1ea7n s\u1ee5n, h\u1ec7 th\u1ed1ng th\u1eddi gian th\u1ef1c v\u00e0 h\u1ec7 th\u1ed1ng c\u00f3 ngu\u1ed3n l\u1ef1c r\u1ea5t h\u1ea1n ch\u1ebf.<\/p>\n<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec7n to\u00e1n l\u01b0\u1ee3ng t\u1eed, m\u1ed9t lo\u1ea1i ng\u00f4n ng\u1eef l\u1eafp r\u00e1p m\u1edbi c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n, ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u ri\u00eang c\u1ee7a m\u00e1y t\u00ednh l\u01b0\u1ee3ng t\u1eed.<\/p>\n<h2>H\u1ee3p ng\u1eef v\u00e0 m\u00e1y ch\u1ee7 proxy<\/h2>\n<p>M\u1eb7c d\u00f9 h\u1ee3p ng\u1eef v\u00e0 m\u00e1y ch\u1ee7 proxy tho\u1ea1t nh\u00ecn c\u00f3 v\u1ebb kh\u00f4ng li\u00ean quan nh\u01b0ng v\u1eabn t\u1ed3n t\u1ea1i m\u1ed9t k\u1ebft n\u1ed1i. M\u00e1y ch\u1ee7 proxy x\u1eed l\u00fd c\u00e1c y\u00eau c\u1ea7u m\u1ea1ng thay m\u1eb7t cho c\u00e1c m\u00e1y ch\u1ee7 kh\u00e1c v\u00e0 vi\u1ec7c x\u1eed l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c y\u00eau c\u1ea7u n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng. H\u1ee3p ng\u1eef, v\u1edbi kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t tr\u1ef1c ti\u1ebfp ph\u1ea7n c\u1ee9ng v\u00e0 hi\u1ec7u qu\u1ea3 cao, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 vi\u1ebft c\u00e1c m\u00e1y ch\u1ee7 proxy hi\u1ec7u su\u1ea5t cao.<\/p>\n<p>Tuy nhi\u00ean, s\u1ef1 ph\u1ee9c t\u1ea1p v\u00e0 thi\u1ebfu t\u00ednh di \u0111\u1ed9ng c\u1ee7a h\u1ee3p ng\u1eef khi\u1ebfn vi\u1ec7c s\u1eed d\u1ee5ng n\u00e0y \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n. Thay v\u00e0o \u0111\u00f3, c\u00e1c ng\u00f4n ng\u1eef c\u1ea5p cao v\u1edbi th\u01b0 vi\u1ec7n m\u1ea1ng t\u1ed1t th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng, nh\u01b0ng vi\u1ec7c hi\u1ec3u ng\u00f4n ng\u1eef h\u1ee3p ng\u1eef v\u1eabn c\u00f3 th\u1ec3 c\u00f3 gi\u00e1 tr\u1ecb \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a c\u00e1c ph\u1ea7n m\u00e3 quan tr\u1ecdng v\u1ec1 hi\u1ec7u su\u1ea5t.<\/p>\n<h2>Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.cs.cmu.edu\/~guna\/15-123S11\/Lectures\/Lecture14.pdf\" target=\"_new\" rel=\"noopener nofollow\">Gi\u1edbi thi\u1ec7u v\u1ec1 H\u1ee3p ng\u1eef \u2013 \u0110\u1ea1i h\u1ecdc Carnegie Mellon<\/a><\/li>\n<li><a href=\"https:\/\/kipirvine.com\/asm\/\" target=\"_new\" rel=\"noopener nofollow\">H\u1ee3p ng\u1eef cho b\u1ed9 x\u1eed l\u00fd x86 \u2013 Kip Irvine<\/a><\/li>\n<li><a href=\"https:\/\/www.raspberrypi.org\/documentation\/usage\/assembly\/\" target=\"_new\" rel=\"noopener nofollow\">L\u1eadp tr\u00ecnh ng\u00f4n ng\u1eef h\u1ed9i Raspberry Pi<\/a><\/li>\n<li><a href=\"https:\/\/www.apress.com\/gp\/book\/9781484200650\" target=\"_new\" rel=\"noopener nofollow\">L\u1eadp tr\u00ecnh ng\u00f4n ng\u1eef h\u1ed9i X86 hi\u1ec7n \u0111\u1ea1i<\/a><\/li>\n<li><a href=\"http:\/\/www.plantation-productions.com\/Webster\/www.artofasm.com\/index.html\" target=\"_new\" rel=\"noopener nofollow\">Ngh\u1ec7 thu\u1eadt l\u1eadp tr\u00ecnh h\u1ee3p ng\u1eef<\/a><\/li>\n<\/ul>","protected":false},"featured_media":467642,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475917","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Assembly Language: A Comprehensive Guide<\/mark>","faq_items":[{"question":"What is Assembly language?","answer":"<p>Assembly language is a low-level programming language that provides a symbolic representation of a computer's machine code. It is a more direct interface with a computer's hardware compared to high-level languages, and every type of computer has its unique assembly language.<\/p>"},{"question":"When was Assembly language first created?","answer":"<p>The first assembly language was created by IBM in the late 1940s for the IBM 701 computer. It was designed to provide a simpler and more efficient way to program, using mnemonic codes to represent machine instructions instead of binary code.<\/p>"},{"question":"What are some key features of Assembly language?","answer":"<p>Key features of assembly language include direct hardware manipulation, efficient performance, and a deep understanding of computer internals. These features make assembly language ideal for situations requiring direct control over hardware or high efficiency.<\/p>"},{"question":"How does Assembly language work?","answer":"<p>Assembly language uses simple mnemonic codes that correspond to machine-level instructions, making the code more understandable for humans. An assembler then translates these instructions into machine code that the computer can execute directly.<\/p>"},{"question":"What are some types of Assembly language?","answer":"<p>Assembly languages are tied to specific hardware architectures. Therefore, types of assembly languages are as numerous as the types of computer architectures. For example, x86 assembly language is used for Intel and AMD architectures, ARM assembly is used for most smartphones, MIPS assembly is used in many embedded systems, and IBM assembly is used in IBM mainframes.<\/p>"},{"question":"What are the challenges associated with Assembly language?","answer":"<p>While assembly language can be powerful, it is also complex and hardware-specific. Debugging can be more challenging as there are no high-level language constructs or data types. Also, the code written in assembly language is not portable across different hardware architectures.<\/p>"},{"question":"How are Assembly language and Proxy servers related?","answer":"<p>Proxy servers handle network requests on behalf of other servers. Assembly language, known for its direct control over hardware and high efficiency, can be used to write high-performance proxy servers. Despite this, the complexity and lack of portability of assembly language make high-level languages more commonly used for this purpose.<\/p>"},{"question":"What are the future perspectives on Assembly language?","answer":"<p>Though the usage of assembly language has declined with the advent of high-level languages, it remains crucial in areas like firmware programming, real-time systems, and systems with limited resources. With the advent of quantum computing, a new type of assembly language might emerge, tailored to the requirements of quantum computers.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/475917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/475917\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/467642"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=475917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}