{"id":350057,"date":"2024-05-26T17:56:57","date_gmt":"2024-05-26T10:56:57","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=350057"},"modified":"2024-05-26T17:56:57","modified_gmt":"2024-05-26T10:56:57","slug":"ghz-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/ghz-la-gi\/","title":{"rendered":"Xung nh\u1ecbp, t\u1ea7n s\u1ed1 Hz, MHz, GHz l\u00e0 g\u00ec? C\u00f3 \u00fd ngh\u0129a nh\u01b0 th\u1ebf n\u00e0o?"},"content":{"rendered":"

Ch\u1eafc h\u1eb3n nhi\u1ec1u b\u1ea1n \u1edf \u0111\u00e2y \u0111\u00e3 nghe \u0111\u1ebfn th\u00f4ng tin v\u1ec1 t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd c\u1ee7a CPU m\u00e1y t\u00ednh. Nh\u01b0ng b\u1ea1n c\u00f3 bi\u1ebft \u0111\u01b0\u1ee3c \u0111\u01a1n v\u1ecb n\u00e0o l\u00e0 \u0111o t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd n\u00e0y kh\u00f4ng? N\u1ebfu ch\u01b0a nghe \u0111\u1ebfn th\u00ec h\u00e3y \u0111\u1ec3 Ho\u00e0ng H\u00e0 Mobile chia s\u1ebb cho b\u1ea1n th\u00f4ng tin v\u1ec1<\/span> xung nh\u1ecbp, t\u1ea7n s\u1ed1 Hz, MHz, GHz l\u00e0 g\u00ec?<\/b> V\u00e0 ch\u00fang c\u00f3 \u00fd ngh\u0129a nh\u01b0 th\u1ebf n\u00e0o \u0111\u1ed1i v\u1edbi tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng l\u00e0 nh\u01b0 th\u1ebf n\u00e0o.<\/span><\/p>\n

Kh\u00e1i ni\u1ec7m Hz, MHz, GHz l\u00e0 g\u00ec? C\u00e1ch \u0111\u1ecdc nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h2>\n

M\u1ed7i \u0111\u01a1n v\u1ecb t\u1ea7n s\u1ed1 \u0111\u1ec1u \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch theo m\u1ed9t kh\u00e1i ni\u1ec7m v\u00e0 c\u00f3 c\u00e1ch \u0111\u1ecdc ho\u00e0n to\u00e0n kh\u00e1c nhau. V\u00e0 trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7, \u0111i\u1ec3m chung c\u1ee7a nh\u1eefng t\u1ea7n s\u1ed1 n\u00e0y l\u00e0 \u0111\u01b0\u1ee3c d\u00f9ng trong m\u00f4 t\u1ea3 xung nh\u1ecbp CPU, t\u1ea7n s\u1ed1 qu\u00e9t m\u00e0n h\u00ecnh, b\u0103ng t\u1ea7n WiFi.\u00a0<\/span><\/p>\n

T\u1ea7n s\u1ed1 Hz l\u00e0 g\u00ec?<\/b><\/h3>\n

T\u1ea7n s\u1ed1 l\u00e0 m\u1ed9t kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n trong nhi\u1ec1u l\u0129nh v\u1ef1c khoa h\u1ecdc v\u00e0 k\u1ef9 thu\u1eadt, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong \u0111i\u1ec7n t\u1eed, vi\u1ec5n th\u00f4ng v\u00e0 \u00e2m thanh h\u1ecdc. \u0110\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1 ph\u1ed5 bi\u1ebfn nh\u1ea5t l\u00e0 Hertz (Hz), \u0111\u01b0\u1ee3c \u0111\u1eb7t theo t\u00ean c\u1ee7a nh\u00e0 v\u1eadt l\u00fd ng\u01b0\u1eddi \u0110\u1ee9c Heinrich Rudolf Hertz, ng\u01b0\u1eddi \u0111\u00e3 c\u00f3 nh\u1eefng \u0111\u00f3ng g\u00f3p quan tr\u1ecdng trong vi\u1ec7c nghi\u00ean c\u1ee9u s\u00f3ng \u0111i\u1ec7n t\u1eeb.<\/span><\/p>\n

\"ghz-la-gi-1\"<\/picture><\/p>\n

Hertz (Hz) l\u00e0 \u0111\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1 trong H\u1ec7 \u0111o l\u01b0\u1eddng qu\u1ed1c t\u1ebf (SI), bi\u1ec3u th\u1ecb s\u1ed1 chu k\u1ef3 c\u1ee7a m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng l\u1eb7p l\u1ea1i trong m\u1ed9t gi\u00e2y. M\u1ed9t Hertz t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t chu k\u1ef3 m\u1ed7i gi\u00e2y (1 Hz = 1 chu k\u1ef3\/gi\u00e2y). \u0110\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n, h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t hi\u1ec7n t\u01b0\u1ee3ng nh\u01b0 m\u1ed9t s\u00f3ng \u00e2m thanh ho\u1eb7c s\u00f3ng \u0111i\u1ec7n t\u1eeb dao \u0111\u1ed9ng. N\u1ebfu s\u00f3ng n\u00e0y l\u1eb7p l\u1ea1i m\u1ed9t l\u1ea7n trong m\u1ed7i gi\u00e2y, th\u00ec t\u1ea7n s\u1ed1 c\u1ee7a n\u00f3 l\u00e0 1 Hz.<\/span><\/p>\n

Hz (Hertz): \u0110\u01a1n v\u1ecb c\u01a1 b\u1ea3n, \u0111\u1ecdc l\u00e0 “h\u00e9c”. V\u00ed d\u1ee5: “50 Hz” \u0111\u01b0\u1ee3c \u0111\u1ecdc l\u00e0 “n\u0103m m\u01b0\u01a1i h\u00e9c”, bi\u1ec3u th\u1ecb r\u1eb1ng hi\u1ec7n t\u01b0\u1ee3ng l\u1eb7p l\u1ea1i 50 l\u1ea7n trong m\u1ed9t gi\u00e2y.<\/span><\/p>\n

T\u1ea7n s\u1ed1 MHz l\u00e0 g\u00ec?<\/b><\/h3>\n

Megahertz (MHz) l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t tri\u1ec7u Hertz (1 MHz = 1,000,000 Hz). N\u00f3i c\u00e1ch kh\u00e1c, m\u1ed9t Megahertz \u0111\u1ea1i di\u1ec7n cho m\u1ed9t tri\u1ec7u chu k\u1ef3 m\u1ed7i gi\u00e2y. \u0110\u01a1n v\u1ecb n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng khi t\u1ea7n s\u1ed1 c\u1ee7a hi\u1ec7n t\u01b0\u1ee3ng c\u1ea7n \u0111o qu\u00e1 l\u1edbn \u0111\u1ec3 di\u1ec5n t\u1ea3 b\u1eb1ng Hertz m\u1ed9t c\u00e1ch ti\u1ec7n l\u1ee3i. V\u00ed d\u1ee5, t\u1ea7n s\u1ed1 c\u1ee7a s\u00f3ng radio, t\u00edn hi\u1ec7u truy\u1ec1n h\u00ecnh, v\u00e0 nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Megahertz.<\/span><\/p>\n

\"ghz-la-gi-2\"<\/picture><\/p>\n

MHz \u0111\u01b0\u1ee3c \u0111\u1ecdc l\u00e0 “m\u00ea-ga-h\u00e9c”. T\u1eeb “Megahertz” k\u1ebft h\u1ee3p t\u1eeb “mega” (c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t tri\u1ec7u trong ti\u1ebfng Hy L\u1ea1p) v\u00e0 “Hertz” (\u0111\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1). Khi \u0111\u1ecdc c\u00e1c gi\u00e1 tr\u1ecb c\u00f3 \u0111\u01a1n v\u1ecb MHz, ta th\u01b0\u1eddng n\u00f3i s\u1ed1 l\u01b0\u1ee3ng tr\u01b0\u1edbc, ti\u1ebfp theo l\u00e0 “m\u00ea-ga-h\u00e9c”.<\/span><\/p>\n

V\u00ed d\u1ee5: 1 MHz \u0111\u1ecdc l\u00e0 “m\u1ed9t m\u00ea-ga-h\u00e9c”, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t tri\u1ec7u chu k\u1ef3 m\u1ed7i gi\u00e2y. 10 MHz \u0111\u1ecdc l\u00e0 “m\u01b0\u1eddi m\u00ea-ga-h\u00e9c”, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u01b0\u1eddi tri\u1ec7u chu k\u1ef3 m\u1ed7i gi\u00e2y. 100 MHz \u0111\u1ecdc l\u00e0 “m\u1ed9t tr\u0103m m\u00ea-ga-h\u00e9c”, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t tr\u0103m tri\u1ec7u chu k\u1ef3 m\u1ed7i gi\u00e2y.<\/span><\/p>\n

T\u1ea7n s\u1ed1 GHz l\u00e0 g\u00ec?<\/b><\/h3>\n

Gigahertz (GHz) l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi m\u1ed9t t\u1ef7 Hertz (1 GHz = 1.000.000.000 Hz). N\u00f3i c\u00e1ch kh\u00e1c, m\u1ed9t Gigahertz \u0111\u1ea1i di\u1ec7n cho m\u1ed9t t\u1ef7 chu k\u1ef3 m\u1ed7i gi\u00e2y. \u0110\u01a1n v\u1ecb n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 cao, n\u01a1i c\u00e1c t\u1ea7n s\u1ed1 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t cao, ch\u1eb3ng h\u1ea1n nh\u01b0 trong vi\u1ec5n th\u00f4ng, m\u00e1y t\u00ednh, v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y.<\/span><\/p>\n

GHz \u0111\u01b0\u1ee3c \u0111\u1ecdc l\u00e0 “gi-ga-h\u00e9c”. T\u1eeb “Gigahertz” k\u1ebft h\u1ee3p t\u1eeb “giga” (c\u00f3 ngh\u0129a l\u00e0 m\u1ed9t t\u1ef7 trong ti\u1ebfng Hy L\u1ea1p) v\u00e0 “Hertz” (\u0111\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1). T\u01b0\u01a1ng t\u1ef1, khi \u0111\u1ecdc c\u00e1c gi\u00e1 tr\u1ecb c\u00f3 \u0111\u01a1n v\u1ecb GHz, ta th\u01b0\u1eddng n\u00f3i s\u1ed1 l\u01b0\u1ee3ng tr\u01b0\u1edbc, ti\u1ebfp theo l\u00e0 “gi-ga-h\u00e9c”.<\/span><\/p>\n

\"ghz-la-gi-3\"<\/picture><\/p>\n

Hi\u1ec3u r\u00f5 v\u1ec1 Gigahertz (GHz) v\u00e0 c\u00e1ch \u0111\u1ecdc \u0111\u00fang \u0111\u01a1n v\u1ecb n\u00e0y gi\u00fap ch\u00fang ta d\u1ec5 d\u00e0ng n\u1eafm b\u1eaft v\u00e0 \u1ee9ng d\u1ee5ng trong nhi\u1ec1u l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 v\u00e0 \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. T\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 kh\u1ea3 n\u0103ng c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed \u0111\u1ebfn vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng kh\u00f4ng d\u00e2y, ki\u1ebfn th\u1ee9c v\u1ec1 GHz \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u1ee9ng d\u1ee5ng v\u00e0 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n

\u00dd ngh\u0129a c\u1ee7a xung nh\u1ecbp, t\u1ea7n s\u1ed1 Hz, MHz, GHz l\u00e0 g\u00ec?<\/b><\/h2>\n

Trong l\u0129nh v\u1ef1c \u0111i\u1ec7n t\u1eed v\u00e0 vi\u1ec5n th\u00f4ng, c\u00e1c kh\u00e1i ni\u1ec7m nh\u01b0 xung nh\u1ecbp, t\u1ea7n s\u1ed1 Hz, MHz, v\u00e0 GHz l\u00e0 r\u1ea5t quan tr\u1ecdng v\u00e0 th\u01b0\u1eddng xuy\u00ean \u0111\u01b0\u1ee3c nh\u1eafc \u0111\u1ebfn. Ch\u00fang c\u00f3 \u00fd ngh\u0129a c\u1ee5 th\u1ec3 v\u00e0 \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c hi\u1ec3u v\u00e0 \u1ee9ng d\u1ee5ng c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i. V\u00e0 n\u1ebfu b\u1ea1n quan t\u00e2m \u0111\u1ebfn v\u1ea5n \u0111\u1ec1 n\u00e0y th\u00ec h\u00e3y xem qua n\u1ed9i dung b\u00ean d\u01b0\u1edbi \u0111\u00e2y nh\u00e9.<\/span><\/p>\n

Hz \u0111\u1ed1i v\u1edbi t\u1ea7n s\u1ed1 qu\u00e9t m\u00e0n h\u00ecnh<\/b><\/h3>\n

T\u1ea7n s\u1ed1 qu\u00e9t \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng Hz l\u00e0 s\u1ed1 l\u1ea7n m\u00e0 m\u00e0n h\u00ecnh l\u00e0m m\u1edbi h\u00ecnh \u1ea3nh trong m\u1ed9t gi\u00e2y. \u0110i\u1ec1u n\u00e0y c\u00f3 \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng hi\u1ec3n th\u1ecb h\u00ecnh \u1ea3nh m\u01b0\u1ee3t m\u00e0 v\u00e0 m\u00e0u s\u1eafc ch\u00ednh x\u00e1c tr\u00ean m\u00e0n h\u00ecnh. V\u00ed d\u1ee5, m\u1ed9t m\u00e0n h\u00ecnh v\u1edbi t\u1ea7n s\u1ed1 qu\u00e9t 60Hz s\u1ebd l\u00e0m m\u1edbi h\u00ecnh \u1ea3nh 60 l\u1ea7n m\u1ed7i gi\u00e2y, trong khi m\u1ed9t m\u00e0n h\u00ecnh 120Hz s\u1ebd l\u00e0m m\u1edbi h\u00ecnh \u1ea3nh 120 l\u1ea7n m\u1ed7i gi\u00e2y. C\u00e0ng cao t\u1ea7n s\u1ed1 qu\u00e9t, h\u00ecnh \u1ea3nh s\u1ebd tr\u1edf n\u00ean m\u01b0\u1ee3t m\u00e0 h\u01a1n v\u00e0 \u00edt c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng nh\u00f2e khi di chuy\u1ec3n nhanh tr\u00ean m\u00e0n h\u00ecnh.<\/span><\/p>\n

\"ghz-la-gi-4\"<\/picture><\/p>\n

T\u1ea7n s\u1ed1 qu\u00e9t c\u1ee7a m\u00e0n h\u00ecnh c\u0169ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m ch\u01a1i game v\u00e0 xem phim. V\u1edbi game, m\u1ed9t t\u1ea7n s\u1ed1 qu\u00e9t cao gi\u00fap gi\u1ea3m thi\u1ec3u hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt lag v\u00e0 t\u1ea1o ra h\u00ecnh \u1ea3nh m\u01b0\u1ee3t m\u00e0, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c tr\u00f2 ch\u01a1i y\u00eau c\u1ea7u ph\u1ea3n \u1ee9ng nhanh v\u00e0 ch\u00ednh x\u00e1c. Trong khi \u0111\u00f3, khi xem phim, m\u1ed9t t\u1ea7n s\u1ed1 qu\u00e9t cao c\u00f3 th\u1ec3 cung c\u1ea5p cho ng\u01b0\u1eddi d\u00f9ng tr\u1ea3i nghi\u1ec7m xem phim m\u01b0\u1ee3t m\u00e0 v\u00e0 ch\u00e2n th\u1ef1c h\u01a1n.<\/span><\/p>\n

Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng s\u1ef1 t\u0103ng t\u1ea7n s\u1ed1 qu\u00e9t c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t t\u1ea3i n\u1eb7ng cho h\u1ec7 th\u1ed1ng \u0111\u1ed3ng th\u1eddi c\u00f3 th\u1ec3 t\u0103ng ti\u00eau th\u1ee5 n\u0103ng l\u01b0\u1ee3ng. Do \u0111\u00f3, vi\u1ec7c l\u1ef1a ch\u1ecdn m\u1ed9t m\u00e0n h\u00ecnh v\u1edbi t\u1ea7n s\u1ed1 qu\u00e9t ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/span><\/p>\n

MHz v\u00e0 GHz \u0111\u1ed1i v\u1edbi xung nh\u1ecbp CP<\/b><\/h3>\n

Trong th\u1ebf gi\u1edbi k\u1ef9 thu\u1eadt s\u1ed1 hi\u1ec7n \u0111\u1ea1i, xung nh\u1ecbp (Clock Pulse – CP) \u0111\u00f3ng vai tr\u00f2 kh\u00f4ng th\u1ec3 ph\u1ee7 nh\u1eadn trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a m\u1ed9t b\u1ed9 vi x\u1eed l\u00fd (CPU). \u0110\u1ed1i v\u1edbi m\u1ed7i m\u00e1y t\u00ednh, xung nh\u1ecbp l\u00e0 “tr\u00e1i tim” – n\u01a1i m\u00e0 c\u00e1c t\u00edn hi\u1ec7u \u0111i\u1ec7n t\u1eed \u0111\u01b0\u1ee3c ph\u00e1t ra \u0111\u1ec3 \u0111\u1ed3ng b\u1ed9 h\u00f3a v\u00e0 \u0111i\u1ec1u khi\u1ec3n c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u00ednh to\u00e1n. V\u00e0 khi n\u00f3i \u0111\u1ebfn \u0111o l\u01b0\u1eddng xung nh\u1ecbp, hai \u0111\u01a1n v\u1ecb ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 ch\u00fang ta th\u01b0\u1eddng g\u1eb7p l\u00e0 Megahertz (MHz) v\u00e0 Gigahertz (GHz).<\/span><\/p>\n

\"ghz-la-gi-5\"<\/picture><\/p>\n

C\u00e1c CPU v\u1edbi xung nh\u1ecbp t\u00ednh b\u1eb1ng MHz th\u01b0\u1eddng xu\u1ea5t hi\u1ec7n trong c\u00e1c m\u00e1y t\u00ednh c\u00e1 nh\u00e2n \u0111\u1ea7u ti\u00ean v\u00e0 m\u00e1y t\u00ednh x\u00e1ch tay c\u0169. Tuy nhi\u00ean, v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7, MHz \u0111\u00e3 tr\u1edf n\u00ean \u00edt ph\u1ed5 bi\u1ebfn h\u01a1n, thay v\u00e0o \u0111\u00f3 l\u00e0 s\u1ef1 gia t\u0103ng c\u1ee7a GHz. GHz \u0111\u00e3 \u0111\u00e1nh d\u1ea5u m\u1ed9t b\u01b0\u1edbc nh\u1ea3y v\u1ecdt trong hi\u1ec7u su\u1ea5t x\u1eed l\u00fd c\u1ee7a c\u00e1c CPU. V\u1edbi xung nh\u1ecbp \u0111o b\u1eb1ng GHz, c\u00e1c b\u1ed9 vi x\u1eed l\u00fd c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c ph\u00e9p t\u00ednh nhanh ch\u00f3ng h\u01a1n, x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng \u0111a nhi\u1ec7m \u0111\u00e1ng k\u1ec3.<\/span><\/p>\n

Nh\u01b0 \u1edf ph\u1ea7n kh\u00e1i ni\u1ec7m ch\u00fang ta \u0111\u00e3 bi\u1ebft r\u00f5 v\u1ec1<\/span> kh\u00e1i ni\u1ec7m c\u1ee7a Hz, MHz, GHz l\u00e0 g\u00ec? <\/b>Nh\u01b0ng trong th\u1ef1c t\u1ebf, s\u1ef1 chuy\u1ec3n \u0111\u1ed5i t\u1eeb MHz sang GHz \u0111\u00e3 m\u1edf ra c\u00e1nh c\u1eeda cho nhi\u1ec1u ti\u1ec1m n\u0103ng m\u1edbi trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 th\u00f4ng tin. C\u00e1c m\u00e1y t\u00ednh hi\u1ec7n \u0111\u1ea1i, t\u1eeb m\u00e1y tr\u1ea1m \u0111\u1ebfn m\u00e1y t\u00ednh x\u00e1ch tay v\u00e0 th\u1eadm ch\u00ed c\u1ea3 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, \u0111\u1ec1u s\u1edf h\u1eefu c\u00e1c CPU ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 GHz. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 gi\u00fap m\u1edf ra nh\u1eefng c\u01a1 h\u1ed9i m\u1edbi cho \u1ee9ng d\u1ee5ng v\u00e0 d\u1ecbch v\u1ee5 m\u1ea1ng \u0111\u00f2i h\u1ecfi s\u1ef1 m\u1ea1nh m\u1ebd v\u00e0 nhanh nh\u1eb9n.<\/span><\/p>\n

Hz, MHz v\u00e0 GHz \u0111\u1ed1i v\u1edbi WiFi<\/b><\/h3>\n

Hz, hay Hertz, l\u00e0 \u0111\u01a1n v\u1ecb c\u01a1 b\u1ea3n \u0111o l\u01b0\u1eddng t\u1ea7n s\u1ed1. Trong WiFi, Hz th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ec9 t\u1ea7n s\u1ed1 l\u00e0m vi\u1ec7c c\u1ee7a s\u00f3ng v\u00f4 tuy\u1ebfn, th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111o trong d\u1ea3i t\u1eeb h\u00e0ng GHz \u0111\u1ebfn h\u00e0ng tr\u0103m GHz. C\u00e1c thi\u1ebft b\u1ecb WiFi s\u1eed d\u1ee5ng t\u1ea7n s\u1ed1 kh\u00e1c nhau \u0111\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u, v\u00e0 vi\u1ec7c ch\u1ecdn t\u1ea7n s\u1ed1 ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ph\u1ea1m vi v\u00e0 hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ea1ng.<\/span><\/p>\n

\"ghz-la-gi-6\"<\/picture><\/p>\n

C\u00f2n v\u1edbi MHz, hay Megahertz \u0111\u01b0\u1ee3c d\u00f9ng trong wifi nh\u01b0 2.4 GHz ho\u1eb7c 5 GHz. D\u1ea3i 2.4 GHz \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t ti\u00eau chu\u1ea9n cho nhi\u1ec1u thi\u1ebft b\u1ecb WiFi, v\u1edbi s\u1ef1 ph\u1ed5 bi\u1ebfn c\u1ee7a c\u00e1c router v\u00e0 thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i trong gia \u0111\u00ecnh v\u00e0 v\u0103n ph\u00f2ng. D\u1ea3i t\u1ea7n n\u00e0y th\u01b0\u1eddng mang l\u1ea1i ph\u1ea1m vi l\u1edbn h\u01a1n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng xuy\u00ean qua c\u00e1c v\u1eadt c\u1ea3n t\u1ed1t h\u01a1n. Tuy nhi\u00ean, do s\u1ef1 ph\u1ed5 bi\u1ebfn, c\u00f3 th\u1ec3 g\u1eb7p ph\u1ea3i nhi\u1ec1u t\u00ecnh tr\u1ea1ng nhi\u1ec5u t\u1eeb c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c s\u1eed d\u1ee5ng c\u00f9ng d\u1ea3i t\u1ea7n n\u00e0y.<\/span><\/p>\n

GHz, hay Gigahertz, \u0111\u1ea1i di\u1ec7n cho m\u1ed9t t\u1ef7 Hz. D\u1ea3i t\u1ea7n 5 GHz, ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 c\u00e1c d\u1ea3i t\u1ea7n cao h\u01a1n nh\u01b0 6 GHz, \u0111ang tr\u1edf n\u00ean ng\u00e0y c\u00e0ng ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u1ea1ng WiFi hi\u1ec7n \u0111\u1ea1i. C\u00e1c d\u1ea3i t\u1ea7n cao h\u01a1n th\u01b0\u1eddng mang l\u1ea1i t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n v\u00e0 \u00edt b\u1ecb nhi\u1ec5u h\u01a1n so v\u1edbi d\u1ea3i t\u1ea7n 2.4 GHz. T\u1eeb \u0111\u00f3 ch\u00fang tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn \u01b0a th\u00edch cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng cao nh\u01b0 video streaming v\u00e0 gaming tr\u1ef1c tuy\u1ebfn.<\/span><\/p>\n

H\u01b0\u1edbng d\u1eabn t\u1ea5n t\u1ea7n t\u1eadt c\u00e1ch xem ch\u1ec9 s\u1ed1 GHz c\u1ee7a chip m\u00e1y t\u00ednh<\/b><\/h2>\n

B\u00ean c\u1ea1nh vi\u1ec7c bi\u1ebft r\u00f5 th\u00f4ng tin v\u1ec1 <\/span>GHz l\u00e0 g\u00ec?<\/b> Ho\u00e0ng H\u00e0 Mobile s\u1ebd h\u01b0\u1edbng d\u1eabn th\u00eam cho b\u1ea1n 2 th\u1ee7 thu\u1eadt xem ch\u1ec9 s\u1ed1 n\u00e0y tr\u00ean chip m\u00e1y t\u00ednh ch\u1ea1y h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows v\u00e0 MacOS. Th\u00f4ng tin n\u00e0y c\u1ef1c k\u1ef3 th\u00fa v\u1ecb d\u00e0nh cho nh\u1eefng b\u1ea1n n\u00e0o mu\u1ed1n t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh c\u1ee7a thi\u1ebft b\u1ecb.<\/span><\/p>\n

Tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Windows<\/b><\/h3>\n

B\u1eb1ng c\u00e1ch so s\u00e1nh t\u1ea7n s\u1ed1 GHz c\u1ee7a c\u00e1c chip m\u00e1y t\u00ednh kh\u00e1c nhau, b\u1ea1n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn s\u1ea3n ph\u1ea9m ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh. Th\u00f4ng th\u01b0\u1eddng, c\u00e1c chip c\u00f3 t\u1ea7n s\u1ed1 GHz cao h\u01a1n c\u00f3 th\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 \u0111a nhi\u1ec7m v\u00e0 \u0111\u00f2i h\u1ecfi nhi\u1ec1u x\u1eed l\u00fd t\u00ednh to\u00e1n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng h\u01a1n. H\u01a1n n\u1eefa, vi\u1ec7c xem GHz c\u00f3 th\u1ec3 gi\u00fap b\u1ea1n \u0111\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a m\u00e1y t\u00ednh trong c\u00e1c t\u00e1c v\u1ee5 th\u00f4ng th\u01b0\u1eddng nh\u01b0 l\u01b0\u1edbt web, xem video, ho\u1eb7c ch\u01a1i game.<\/span><\/p>\n

\"ghz-la-gi-7\"<\/picture><\/p>\n

\u0110\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c \u0111i\u1ec1u n\u00e0y, \u0111\u1ea7u ti\u00ean b\u1ea1n c\u1ea7n truy c\u1eadp v\u00e0o ph\u1ea7n “My Computer” ho\u1eb7c “This PC”. Ti\u1ebfp t\u1ee5c, b\u1ea1n ch\u1ecdn chu\u1ed9t ph\u1ea3i v\u00e0o “Properties”. \u1ede m\u1ee5c “About” b\u1ea1n s\u1ebd nh\u00ecn th\u1ea5y r\u00f5 \u0111\u01b0\u1ee3c th\u00f4ng tin li\u00ean quan \u0111\u1ebfn chip v\u00e0 ch\u1ec9 s\u1ed1 GHz t\u1ea1i d\u00f2ng \u201cProcessor\u201d.<\/span><\/p>\n

Tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh MacOS<\/b><\/h3>\n

Vi\u1ec7c hi\u1ec3u v\u1ec1 <\/span>GHz l\u00e0 g\u00ec<\/b>, c\u0169ng nh\u01b0 ki\u1ebfn tr\u00fac chip tr\u00ean m\u00e1y t\u00ednh MacOS s\u1ebd gi\u00fap b\u1ea1n n\u1eafm b\u1eaft \u0111\u01b0\u1ee3c ph\u1ea7n n\u00e0o v\u1ec1 c\u00e1ch chip ho\u1ea1t \u0111\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t m\u00e0 n\u00f3 cung c\u1ea5p. Tuy nhi\u00ean, c\u1ea7n l\u01b0u \u00fd r\u1eb1ng GHz ch\u1ec9 l\u00e0 m\u1ed9t trong nhi\u1ec1u y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t c\u1ee7a m\u1ed9t chip m\u00e1y t\u00ednh. C\u00e1c y\u1ebfu t\u1ed1 kh\u00e1c nh\u01b0 ki\u1ebfn tr\u00fac c\u1ee7a chip, s\u1ed1 l\u01b0\u1ee3ng nh\u00e2n, b\u1ed9 nh\u1edb cache, v\u00e0 c\u00f4ng ngh\u1ec7 ti\u00ean ti\u1ebfn c\u0169ng quan tr\u1ecdng trong vi\u1ec7c x\u00e1c \u0111\u1ecbnh hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 c\u1ee7a m\u00e1y t\u00ednh.<\/span><\/p>\n

\"ghz-la-gi-8\"<\/picture><\/p>\n

B\u01b0\u1edbc \u0111\u1ea7u ti\u00ean, b\u1ea1n h\u00e3y click chu\u1ed9t v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Apple \u1edf g\u00f3c tr\u00e1i c\u1ee7a m\u00e0n h\u00ecnh. M\u1ed9t tr\u00ecnh menu th\u1ea3 xu\u1ed1ng v\u00e0 b\u1ea1n ch\u1ecdn v\u00e0o “About This Mac”. Th\u00eam m\u1ed9t c\u1eeda s\u1ed5 m\u1edbi xu\u1ea5t hi\u1ec7n v\u00e0 b\u1ea1n c\u1ea7n ch\u1ecdn v\u00e0o “Overview”. Cu\u1ed1i c\u00f9ng, t\u1ea1i m\u1ee5c “Processor” b\u1ea1n s\u1ebd th\u1ea5y \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 th\u00f4ng tin li\u00ean quan \u0111\u1ebfn chip v\u00e0 t\u1ea7n s\u1ed1.<\/span><\/p>\n

K\u1ebft lu\u1eadn<\/b><\/h2>\n

Nh\u01b0 v\u1eady, ch\u00fang ta \u0111\u00e3 t\u00ecm hi\u1ec3u t\u1ea5t c\u1ea3 nh\u1eefng th\u00f4ng tin li\u00ean quan \u0111\u1ebfn <\/span>t\u1ea7n s\u1ed1 Hz, MHz, GHz l\u00e0 g\u00ec?<\/b> c\u0169ng nh\u01b0 c\u00e1c h\u00ecnh th\u1ee9c \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 trong \u0111\u1eddi s\u1ed1ng. Hy v\u1ecdng n\u1ed9i dung b\u00e0i vi\u1ebft n\u00e0y s\u1ebd mang \u0111\u1ebfn cho b\u1ea1n nhi\u1ec1u ki\u1ebfn th\u1ee9c h\u1eefu \u00edch trong m\u1ed9t th\u1eddi \u0111\u1ea1i c\u00f4ng ngh\u1ec7 s\u1ed1 ng\u00e0y c\u00e0ng b\u00f9ng n\u1ed5 nh\u01b0 hi\u1ec7n nay.<\/span><\/p>\n

Xem th\u00eam:<\/b><\/p>\n