{"id":475779,"date":"2023-08-09T07:23:51","date_gmt":"2023-08-09T07:23:51","guid":{"rendered":""},"modified":"2023-09-05T11:11:12","modified_gmt":"2023-09-05T11:11:12","slug":"abstraction","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/vn\/wiki\/abstraction\/","title":{"rendered":"Tr\u1eebu t\u01b0\u1ee3ng"},"content":{"rendered":"

Tr\u1eebu t\u01b0\u1ee3ng, trong l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00e1y t\u00ednh, \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vi\u1ec7c th\u1ef1c h\u00e0nh c\u00f4 l\u1eadp ho\u1eb7c tr\u00edch xu\u1ea5t c\u00e1c \u0111\u1eb7c t\u00ednh ho\u1eb7c chi ti\u1ebft c\u1ee5 th\u1ec3 c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng, ch\u1ee9c n\u0103ng ho\u1eb7c quy tr\u00ecnh, cho ph\u00e9p ng\u01b0\u1eddi ta hi\u1ec3u ho\u1eb7c kh\u00e1i ni\u1ec7m h\u00f3a h\u1ec7 th\u1ed1ng \u1edf c\u1ea5p \u0111\u1ed9 cao h\u01a1n. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean t\u1eafc c\u01a1 b\u1ea3n nh\u1ea5t trong khoa h\u1ecdc m\u00e1y t\u00ednh v\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ea7n m\u1ec1m, l\u00e0m n\u1ec1n t\u1ea3ng cho vi\u1ec7c thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng v\u00e0 c\u00f4ng ngh\u1ec7 ph\u1ee9c t\u1ea1p.<\/p>\n

Ngu\u1ed3n g\u1ed1c c\u1ee7a s\u1ef1 tr\u1eebu t\u01b0\u1ee3ng<\/h2>\n

Kh\u00e1i ni\u1ec7m tr\u1eebu t\u01b0\u1ee3ng, m\u1eb7c d\u00f9 \u0111\u00e3 c\u00f3 t\u1eeb l\u00e2u \u0111\u1eddi trong tri\u1ebft h\u1ecdc v\u00e0 logic, nh\u01b0ng \u0111\u00e3 b\u1eaft \u0111\u1ea7u th\u00e2m nh\u1eadp v\u00e0o l\u0129nh v\u1ef1c khoa h\u1ecdc m\u00e1y t\u00ednh v\u1edbi s\u1ef1 ra \u0111\u1eddi c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u1ea5p cao v\u00e0o gi\u1eefa th\u1ebf k\u1ef7 20. S\u1ef1 \u0111\u1ec1 c\u1eadp \u0111\u1ea7u ti\u00ean v\u1ec1 t\u00ednh tr\u1eebu t\u01b0\u1ee3ng trong b\u1ed1i c\u1ea3nh khoa h\u1ecdc m\u00e1y t\u00ednh c\u00f3 th\u1ec3 b\u1eaft ngu\u1ed3n t\u1eeb cu\u1ed1i nh\u1eefng n\u0103m 1950, xung quanh s\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a c\u00e1c ng\u00f4n ng\u1eef nh\u01b0 Fortran.<\/p>\n

Fortran, vi\u1ebft t\u1eaft c\u1ee7a \u201cD\u1ecbch c\u00f4ng th\u1ee9c\u201d, l\u00e0 m\u1ed9t trong nh\u1eefng ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u1ea5p cao \u0111\u1ea7u ti\u00ean. N\u00f3 \u0111\u01b0a t\u00ednh tr\u1eebu t\u01b0\u1ee3ng v\u00e0o \u0111i\u1ec7n to\u00e1n b\u1eb1ng c\u00e1ch cho ph\u00e9p c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean vi\u1ebft m\u00e3 \u1edf d\u1ea1ng d\u1ec5 hi\u1ec3u h\u01a1n v\u1edbi con ng\u01b0\u1eddi, gi\u00fap h\u1ecd tr\u00e1nh xa c\u00e1c s\u1eafc th\u00e1i c\u1ee7a ng\u00f4n ng\u1eef m\u00e1y m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n

S\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a s\u1ef1 tr\u1eebu t\u01b0\u1ee3ng<\/h2>\n

S\u1ef1 tr\u1eebu t\u01b0\u1ee3ng h\u00f3a gi\u00fap \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch chia ch\u00fang th\u00e0nh c\u00e1c ph\u1ea7n c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd \u0111\u01b0\u1ee3c. N\u00f3 l\u00e0m nh\u01b0 v\u1eady b\u1eb1ng c\u00e1ch \u1ea9n ho\u1eb7c tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u00e1c chi ti\u1ebft c\u1ea5p th\u1ea5p c\u1ee7a h\u1ec7 th\u1ed1ng, ch\u1ec9 t\u1eadp trung v\u00e0o ch\u1ee9c n\u0103ng c\u1ea5p cao. \u0110i\u1ec1u n\u00e0y cho ph\u00e9p ng\u01b0\u1eddi ta x\u00e2y d\u1ef1ng v\u00e0 hi\u1ec3u c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch x\u1ebfp c\u00e1c l\u1edbp tr\u1eebu t\u01b0\u1ee3ng l\u00ean nhau, mang l\u1ea1i m\u1ee9c \u0111\u1ed9 \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng cho c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean.<\/p>\n

V\u00ed d\u1ee5, trong l\u1eadp tr\u00ecnh, m\u1ed9t h\u00e0m g\u00f3i g\u1ecdn m\u1ed9t nhi\u1ec7m v\u1ee5 ho\u1eb7c t\u00ednh to\u00e1n c\u1ee5 th\u1ec3. Vi\u1ec7c tri\u1ec3n khai h\u00e0m \u2014 c\u00e1ch n\u00f3 ho\u00e0n th\u00e0nh nhi\u1ec7m v\u1ee5 \u2014 \u0111\u01b0\u1ee3c \u1ea9n kh\u1ecfi l\u1eadp tr\u00ecnh vi\u00ean, ng\u01b0\u1eddi ch\u1ec9 c\u1ea7n bi\u1ebft \u0111\u1ea7u v\u00e0o v\u00e0 \u0111\u1ea7u ra c\u1ee7a n\u00f3. \u0110\u00e2y l\u00e0 m\u1ed9t v\u00ed d\u1ee5 v\u1ec1 s\u1ef1 tr\u1eebu t\u01b0\u1ee3ng.<\/p>\n

S\u1ef1 tr\u1eebu t\u01b0\u1ee3ng h\u00f3a hi\u1ec7n di\u1ec7n d\u01b0\u1edbi nhi\u1ec1u h\u00ecnh th\u1ee9c kh\u00e1c nhau tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c l\u0129nh v\u1ef1c c\u1ee7a khoa h\u1ecdc m\u00e1y t\u00ednh, ch\u1eb3ng h\u1ea1n nh\u01b0 tr\u1eebu t\u01b0\u1ee3ng h\u00f3a d\u1eef li\u1ec7u, tr\u1eebu t\u01b0\u1ee3ng h\u00f3a \u0111i\u1ec1u khi\u1ec3n, tr\u1eebu t\u01b0\u1ee3ng h\u00f3a ph\u1ea7n c\u1ee9ng, v.v.<\/p>\n

Ho\u1ea1t \u0111\u1ed9ng b\u00ean trong c\u1ee7a s\u1ef1 tr\u1eebu t\u01b0\u1ee3ng<\/h2>\n

T\u00ednh tr\u1eebu t\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch lo\u1ea1i b\u1ecf ho\u1eb7c \u1ea9n m\u1ecdi chi ti\u1ebft kh\u00f4ng c\u1ea7n thi\u1ebft, ch\u1ec9 \u0111\u1ec3 l\u1ea1i nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m c\u1ea7n thi\u1ebft. Do \u0111\u00f3, n\u00f3 ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t c\u00f4ng c\u1ee5 \u0111\u1ec3 qu\u1ea3n l\u00fd s\u1ef1 ph\u1ee9c t\u1ea1p.<\/p>\n

V\u00ed d\u1ee5: trong b\u1ed1i c\u1ea3nh l\u1eadp tr\u00ecnh, nh\u00e0 ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m c\u00f3 th\u1ec3 t\u1ea1o m\u1ed9t h\u00e0m (tr\u1eebu t\u01b0\u1ee3ng h\u00f3a) \u0111\u1ec3 s\u1eafp x\u1ebfp danh s\u00e1ch c\u00e1c s\u1ed1. Sau \u0111\u00f3, nh\u00e0 ph\u00e1t tri\u1ec3n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng ch\u1ee9c n\u0103ng n\u00e0y \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u h\u1ecd c\u1ea7n \u0111\u1ec3 s\u1eafp x\u1ebfp danh s\u00e1ch m\u00e0 kh\u00f4ng c\u1ea7n lo l\u1eafng v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng n\u1ed9i b\u1ed9 c\u1ee7a ch\u1ee9c n\u0103ng n\u00e0y. \u0110i\u1ec1u n\u00e0y che gi\u1ea5u s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a thu\u1eadt to\u00e1n s\u1eafp x\u1ebfp, gi\u00fap m\u00e3 d\u1ec5 \u0111\u1ecdc v\u00e0 b\u1ea3o tr\u00ec h\u01a1n.<\/p>\n

C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a tr\u1eebu t\u01b0\u1ee3ng<\/h2>\n
    \n
  1. S\u1ef1 \u0111\u01a1n gi\u1ea3n<\/strong>: T\u00ednh tr\u1eebu t\u01b0\u1ee3ng \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch \u1ea9n c\u00e1c chi ti\u1ebft c\u1ea5p th\u1ea5p h\u01a1n.<\/li>\n
  2. Kh\u1ea3 n\u0103ng t\u00e1i s\u1eed d\u1ee5ng<\/strong>: C\u00e1c h\u00e0m ho\u1eb7c m\u00f4-\u0111un \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng t\u00ednh tr\u1eebu t\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u1ea1i tr\u00ean c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a h\u1ec7 th\u1ed1ng ho\u1eb7c trong c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau.<\/li>\n
  3. T\u00ednh m\u00f4 \u0111un<\/strong>: T\u00ednh tr\u1eebu t\u01b0\u1ee3ng th\u00fac \u0111\u1ea9y t\u00ednh m\u00f4 \u0111un h\u00f3a b\u1eb1ng c\u00e1ch cho ph\u00e9p ng\u01b0\u1eddi ta x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p t\u1eeb c\u00e1c b\u1ed9 ph\u1eadn \u0111\u01a1n gi\u1ea3n h\u01a1n, kh\u00e9p k\u00edn h\u01a1n.<\/li>\n
  4. Kh\u1ea3 n\u0103ng b\u1ea3o tr\u00ec<\/strong>: B\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t c\u00e1c ph\u1ea7n ph\u1ee5 thu\u1ed9c v\u00e0 chi ti\u1ebft, t\u00ednh tr\u1eebu t\u01b0\u1ee3ng gi\u00fap h\u1ec7 th\u1ed1ng d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 s\u1eeda \u0111\u1ed5i h\u01a1n.<\/li>\n<\/ol>\n

    C\u00e1c lo\u1ea1i tr\u1eebu t\u01b0\u1ee3ng<\/h2>\n

    C\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i tr\u1eebu t\u01b0\u1ee3ng trong khoa h\u1ecdc m\u00e1y t\u00ednh:<\/p>\n

      \n
    1. Tr\u1eebu t\u01b0\u1ee3ng d\u1eef li\u1ec7u<\/strong>: \u1ea8n c\u00e1c chi ti\u1ebft v\u1ec1 l\u01b0u tr\u1eef v\u00e0 thao t\u00e1c d\u1eef li\u1ec7u, t\u1eadp trung v\u00e0o c\u00e1c t\u00ednh n\u0103ng thi\u1ebft y\u1ebfu.<\/li>\n
    2. Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a th\u1ee7 t\u1ee5c<\/strong>: Cho ph\u00e9p g\u00f3i g\u1ecdn m\u1ed9t chu\u1ed7i c\u00e1c thao t\u00e1c, \u1ea9n chi ti\u1ebft v\u1ec1 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng.<\/li>\n
    3. Tr\u1eebu t\u01b0\u1ee3ng h\u00f3a ph\u1ea7n c\u1ee9ng<\/strong>: Cho ph\u00e9p ph\u1ea7n m\u1ec1m ch\u1ea1y tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n c\u1ee9ng kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n s\u1eeda \u0111\u1ed5i.<\/li>\n<\/ol>\n

      C\u00e1ch s\u1eed d\u1ee5ng v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 v\u1edbi s\u1ef1 tr\u1eebu t\u01b0\u1ee3ng<\/h2>\n

      T\u00ednh tr\u1eebu t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m, thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng, thi\u1ebft k\u1ebf giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng, gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1, v.v. N\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p b\u1eb1ng c\u00e1ch chia ch\u00fang th\u00e0nh c\u00e1c ph\u1ea7n \u0111\u01a1n gi\u1ea3n h\u01a1n, d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n.<\/p>\n

      M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn v\u1edbi s\u1ef1 tr\u1eebu t\u01b0\u1ee3ng h\u00f3a l\u00e0 kh\u1ea3 n\u0103ng \u0111\u00e1nh \u0111\u1ed5i hi\u1ec7u su\u1ea5t. Khi c\u00e1c l\u1edbp tr\u1eebu t\u01b0\u1ee3ng t\u0103ng l\u00ean, hi\u1ec7u su\u1ea5t c\u00f3 th\u1ec3 gi\u1ea3m t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3m thi\u1ec3u b\u1eb1ng c\u00e1ch thi\u1ebft k\u1ebf v\u00e0 t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng c\u1ea9n th\u1eadn.<\/p>\n

      So s\u00e1nh v\u1edbi c\u00e1c \u0111i\u1ec1u kho\u1ea3n t\u01b0\u01a1ng t\u1ef1<\/h2>\n\n\n\n\n\n\n\n
      Thu\u1eadt ng\u1eef<\/th>\nS\u1ef1 mi\u00eau t\u1ea3<\/th>\nM\u1ed1i quan h\u1ec7 v\u1edbi s\u1ef1 tr\u1eebu t\u01b0\u1ee3ng<\/th>\n<\/tr>\n<\/thead>\n
      \u0110\u00f3ng g\u00f3i<\/td>\nVi\u1ec7c k\u1ebft h\u1ee3p d\u1eef li\u1ec7u v\u1edbi c\u00e1c ph\u01b0\u01a1ng th\u1ee9c ho\u1ea1t \u0111\u1ed9ng tr\u00ean d\u1eef li\u1ec7u \u0111\u00f3.<\/td>\nM\u1ed9t d\u1ea1ng tr\u1eebu t\u01b0\u1ee3ng trong \u0111\u00f3 d\u1eef li\u1ec7u v\u00e0 h\u00e0nh vi \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p.<\/td>\n<\/tr>\n
      \u0110a h\u00ecnh<\/td>\nKh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t v\u1eadt th\u1ec3 c\u00f3 nhi\u1ec1u h\u00ecnh d\u1ea1ng.<\/td>\nM\u1ed9t d\u1ea1ng tr\u1eebu t\u01b0\u1ee3ng n\u00e2ng cao h\u01a1n trong l\u1eadp tr\u00ecnh h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/td>\n<\/tr>\n
      Di s\u1ea3n<\/td>\nKh\u1ea3 n\u0103ng t\u1ea1o c\u00e1c l\u1edbp m\u1edbi d\u1ef1a tr\u00ean c\u00e1c l\u1edbp hi\u1ec7n c\u00f3.<\/td>\nCho ph\u00e9p tr\u1eebu t\u01b0\u1ee3ng h\u00f3a c\u00e1c thu\u1ed9c t\u00ednh v\u00e0 h\u00e0nh vi chung.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      Quan \u0111i\u1ec3m v\u00e0 c\u00f4ng ngh\u1ec7 t\u01b0\u01a1ng lai<\/h2>\n

      T\u00ednh tr\u1eebu t\u01b0\u1ee3ng ti\u1ebfp t\u1ee5c \u0111\u00f3ng m\u1ed9t vai tr\u00f2 quan tr\u1ecdng trong s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi n\u1ed5i. V\u00ed d\u1ee5, trong \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, t\u00ednh tr\u1eebu t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 tr\u00ecnh b\u00e0y c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng ph\u1ee9c t\u1ea1p d\u01b0\u1edbi d\u1ea1ng d\u1ecbch v\u1ee5 d\u1ec5 s\u1eed d\u1ee5ng. T\u01b0\u01a1ng t\u1ef1, trong h\u1ecdc m\u00e1y v\u00e0 AI, t\u00ednh tr\u1eebu t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u01a1n gi\u1ea3n h\u00f3a c\u00e1c thu\u1eadt to\u00e1n v\u00e0 m\u00f4 h\u00ecnh th\u1ed1ng k\u00ea ph\u1ee9c t\u1ea1p cho ng\u01b0\u1eddi d\u00f9ng cu\u1ed1i.<\/p>\n

      M\u00e1y ch\u1ee7 proxy v\u00e0 tr\u1eebu t\u01b0\u1ee3ng<\/h2>\n

      Trong b\u1ed1i c\u1ea3nh m\u00e1y ch\u1ee7 proxy, t\u00ednh tr\u1eebu t\u01b0\u1ee3ng c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c hi\u1ec3u l\u00e0 l\u1edbp che gi\u1ea5u s\u1ef1 ph\u1ee9c t\u1ea1p c\u1ee7a c\u00e1c giao th\u1ee9c v\u00e0 ho\u1ea1t \u0111\u1ed9ng m\u1ea1ng. Ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi m\u00e1y ch\u1ee7 proxy m\u00e0 kh\u00f4ng c\u1ea7n hi\u1ec3u chi ti\u1ebft v\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng, \u0111\u1ecbnh tuy\u1ebfn IP ho\u1eb7c giao th\u1ee9c b\u1ea3o m\u1eadt. V\u00ed d\u1ee5: OneProxy t\u00f3m t\u1eaft nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p n\u00e0y, cung c\u1ea5p cho ng\u01b0\u1eddi d\u00f9ng d\u1ecbch v\u1ee5 d\u1ec5 s\u1eed d\u1ee5ng \u0111\u1ec3 qu\u1ea3n l\u00fd v\u00e0 \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ea1ng c\u1ee7a h\u1ecd.<\/p>\n

      Li\u00ean k\u1ebft li\u00ean quan<\/h2>\n
        \n
      1. Khoa h\u1ecdc m\u00e1y t\u00ednh ch\u01b0a \u0111\u01b0\u1ee3c c\u1eafm: Tr\u1eebu t\u01b0\u1ee3ng<\/a><\/li>\n
      2. H\u1ecdc vi\u1ec7n Khan: Gi\u1edbi thi\u1ec7u v\u1ec1 tr\u1eebu t\u01b0\u1ee3ng<\/a><\/li>\n
      3. Wikipedia: Tr\u1eebu t\u01b0\u1ee3ng (khoa h\u1ecdc m\u00e1y t\u00ednh)<\/a><\/li>\n
      4. \u0110\u1ea1i h\u1ecdc Stanford: Vai tr\u00f2 c\u1ee7a t\u00ednh tr\u1eebu t\u01b0\u1ee3ng trong khoa h\u1ecdc m\u00e1y t\u00ednh<\/a><\/li>\n
      5. OneProxy: T\u0103ng c\u01b0\u1eddng k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ee7 proxy<\/a><\/li>\n<\/ol>","protected":false},"featured_media":467457,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-475779","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about Abstraction in Computer Science: A Comprehensive Overview<\/mark>","faq_items":[{"question":"What is abstraction in computer science?","answer":"

        Abstraction, in computer science, refers to the process of isolating or extracting specific characteristics or details of a system, function, or process, enabling one to understand or conceptualize the system at a more generalized or high level.<\/p>"},{"question":"What is the history of abstraction?","answer":"

        The concept of abstraction started to permeate the field of computer science with the advent of high-level programming languages in the mid-20th century. The first high-level programming language, Fortran, introduced abstraction to computing by allowing programmers to write code in a more human-understandable form, distancing them from the complexities of machine language.<\/p>"},{"question":"How does abstraction work?","answer":"

        Abstraction works by removing or hiding unnecessary details, leaving only the necessary characteristics. It simplifies complex systems by breaking them down into manageable parts, isolating lower-level complexities, and focusing only on high-level functionality.<\/p>"},{"question":"What are the key features of abstraction?","answer":"

        The key features of abstraction include simplicity (it simplifies complex systems by hiding lower-level details), reusability (functions or modules built using abstraction can be reused), modularity (abstraction enables building complex systems from simpler, self-contained parts), and maintainability (by isolating dependencies and details, it makes systems easier to maintain and modify).<\/p>"},{"question":"What are the types of abstraction in computer science?","answer":"

        There are several types of abstraction in computer science: Data Abstraction (hides details about data storage and manipulation), Procedural Abstraction (encapsulates a sequence of operations, hiding their workings), and Hardware Abstraction (allows software to operate on different hardware systems without modification).<\/p>"},{"question":"How is abstraction used in solving problems?","answer":"

        Abstraction is widely used in software development, system design, user interface design, and problem-solving. It allows developers to tackle complex problems by breaking them down into simpler, manageable parts.<\/p>"},{"question":"How does abstraction relate to proxy servers like OneProxy?","answer":"

        In the context of proxy servers, abstraction can be understood as the layer that hides the complexity of network protocols and operations. Users interact with the proxy server without needing to understand the details of network connections, IP routing, or security protocols. OneProxy, for instance, abstracts these complexities, providing users with an easy-to-use service for managing and routing their network traffic.<\/p>"},{"question":"What are the future perspectives related to abstraction?","answer":"

        Abstraction continues to play a crucial role in the development of emerging technologies like cloud computing, machine learning, and AI, where it's used to simplify complex infrastructure, algorithms, and statistical models for end-users.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/wiki\/475779","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\/475779\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media\/467457"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/vn\/wp-json\/wp\/v2\/media?parent=475779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}