A lokacin alfijir na fasaha ta kwamfuta, daya daga cikin manyan matsalolin mai amfani shine rashin daidaitattun na'urori - yawancin tashar jiragen ruwa da dama suna da alhakin haɗa haɗin keɓaɓɓe, mafi yawansu sun kasance masu ƙarfi da rashin ƙarfi. Maganar ita ce "bashar jiragen saman duniya" ko kebul don takaice. A karo na farko an gabatar da sabon tashar jiragen ruwa ga jama'a a cikin nisa 1996. A shekara ta 2001, mahalli da na'urorin waje na USB 2.0 sun kasance masu samuwa ga masu sayarwa, kuma a 2010, USB 3.0 ya bayyana. To, menene bambanci tsakanin waɗannan fasahar kuma me ya sa har yanzu suna bukatar?
Differences tsakanin Tsarin USB 2.0 da 3.0
Da farko, yana da daraja a lura cewa dukkanin tashoshin USB suna jituwa da juna. Wannan yana nufin cewa haɗa na'urar jinkirin zuwa tashar jiragen ruwa mai sauƙi kuma mene ne mai yiwuwa, amma gudun musayar bayanai zai zama kadan.
"Tabbatar" daidaitattun haɗin ke iya zama mai gani - a cikin USB 2.0, fuskar ciki yana fentin farin, kuma a cikin USB 3.0 - a blue.
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Bugu da ƙari, sababbin igiyoyi ba hudu ba ne, amma huɗu takwas, wanda ya sa su karami kuma ƙasa da m. A gefe ɗaya, wannan yana ƙara haɓaka na'urori, inganta siginan watsa bayanai, a daya - ƙara ƙimar na USB. Yawancin lokaci, igiyoyin USB 2.0 sun kasance 1.5-2 sau fiye da dangin "azumi". Akwai bambance-bambance a cikin girman da kuma daidaitawar irin waɗannan sifofin masu haɗawa. Saboda haka, USB 2.0 an raba zuwa:
- rubuta A (al'ada) - 4 × 12 mm;
- irin B (al'ada) - 7 × 8 mm;
- type A (Mini) - 3 × 7 mm, trapezoid tare da sasanninta na zagaye;
- Nau'in B (Mini) - 3 × 7 mm, trapezoidal tare da kusassin dama;
- type A (Micro) - 2 × 7 mm, rectangular;
- Nau'in B (Micro) - 2 × 7 mm, rectangular tare da sasanninta.
A cikin kwakwalwa na kwamfutar kwamfuta, ana amfani da sababbin nau'ikan USB na irin A A, a cikin na'urorin hannu - Type B Mini da Micro. Kebul na 3.0 mahimmanci ma yana da rikitarwa:
- rubuta A (al'ada) - 4 × 12 mm;
- irin B (na al'ada) - 7 × 10 mm, siffar hadari;
- Nau'in B (Mini) - 3 × 7 mm, trapezoidal tare da kusassin dama;
- Nau'in B (Micro) - 2 × 12 mm, rectangular tare da taso keya sasanninta da daraja;
- Rubuta C - 2.5 × 8 mm, rectangular tare da sasanninta.
Nau'in A har yanzu yana cike da kwakwalwa, amma Rubutun C yana samun karuwa a kowace rana. Ana nuna adaftar don waɗannan sharuɗɗa a cikin adadi.
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Tebur: Bayani na ainihi game da damar tashoshin na biyu da na uku
| Alamar | USB 2.0 | USB 3.0 |
| Juyin canja wurin bayanai | 480 Mbps | 5 Gbps |
| Adadin bayanai na ainihi | har zuwa 280 Mbps | har zuwa 4.5 Gbit / s |
| Max yanzu | 500 mA | 900 mA |
| Harsunan Windows waɗanda ke goyan bayan daidaitattun | ME, 2000, XP, Vista, 7, 8, 8.1, 10 | Vista, 7, 8, 8.1, 10 |
Ya zuwa yanzu, yana da wuri da yawa don rubuta USB 2.0 daga asusun - ana amfani da wannan daidaitattun don haɗi keyboard, linzamin kwamfuta, masu bugawa, maɓuɓɓuka da wasu na'urori na waje, waɗanda aka yi amfani da su a na'urori masu hannu. Amma don tafiyar da ƙwaƙwalwa da fitarwa ta waje, lokacin da ake karantawa da kuma rubuta magunguna na farko, USB 3.0 ya fi dacewa. Har ila yau yana ba ka damar haɗa wasu na'urorin zuwa ɗayan waya kuma cajin batir sauri saboda ƙarfin halin yanzu.
