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Maxay ku kala duwan yihiin dekedaha taxanaha ah iyo dekedaha isbarbar socda?
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Maxay ku kala duwan yihiin dekedaha taxanaha ah iyo dekedaha isbarbar socda?

2024-09-27 09:02:48

Maanta waxaynu ka hadlaynaa faraqa u dhexeeya dekada serial and parallel port. Labada dekedaha ah iyo kuwa isbar-bar yaacayaba waa isku-xidhka kombuyuutarrada caadiga ah, kuwaas oo lagu xidho aaladaha iyo kombayutarada, balse farqi weyn ayaa u dhexeeya.

Tusmada Tusmada

1. Waa maxay deked barbar socota?

Deked barbar-dhac ah waa soo-gaabista isbarbardhigga. Dekadda isku midka ah ee kombuyuutarrada warshadaha ayaa isticmaala isku xiraha 25-pin D-qaabeeya. Waxa loogu yeero "barbarro" macnaheedu waa in 8-bit oo xog ah lagu kala qaado isku mar iyada oo la adeegsanayo xariiqyo isbar-bar socda, si xawaaraha gudbinta xogta uu aad u wanaajiyo, laakiin dhererka xariiqda gudbinta barbar-dhigga ayaa xaddidan. Sababtoo ah dhererku wuu kordhiyaa, faragelintu way kordhi doontaa, xogtuna waxay u nugul tahay khaladaadka. Waqtigan xaadirka ah, isbarbardhigga isbarbardhigga waxaa inta badan loo isticmaalaa deked daabacaad ah, iwm.

Sawirka 1

2. Waa maxay deked taxan?

Deked taxan waxa kale oo loo yaqaan interface isgaadhsiineed oo taxane ah, ama dekedda COM. Marka loo eego heerarka korantada iyo borotokoolka, dekedaha taxanaha ah waxaa ka mid ah RS-232-C, RS-422, RS485, USB, iwm.

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3. Waa maxay farqiga u dhexeeya labada?

1. Dekedo taxane ah iyo dekedo isbarbar socda oo la isticmaalo habab kala duwan oo lagu gudbiyo xogta. Dekadda taxane ah waa isku xidhka wax-is-gudbinta ee xoogaa-by-bit ah oo xog-yar u soo dirsa kombuyuutar ama qalab kale. Habkani wuxuu xaqiijin karaa isku halaynta xogta gudbinta, laakiin xawaaraha gudbintu waa gaabis. Dekadda isbarbar-dhigga ah waa isku-gudbinta isbarbar-dhigga oo soo diri karta qaybo badan oo xog isku mar ah, markaa xawaaraha gudbintu wuu dheereeyaa, laakiin waxaa si fudud u saameeya faragelinta.

2. Dekedo taxane ah iyo dekedo isbar-bar yaacaya iyana waa kala duwan ee qalabka iyo xaaladaha la isticmaalo. Serial ports waxa inta badan loo isticmaalaa in lagu xidho qaar ka mid ah aaladaha xawaarahoodu yar yahay, sida daabacayaasha, modem-ka iwm. Xawaarahooda gudbinta xogtu maaha mid sareeya, laakiin kalsoonida gudbinta xogta ayaa loo baahan yahay inay sare u kacdo. Dakadaha isbarbar-dhiga ah ayaa inta badan loo adeegsadaa in lagu xidho aaladaha xawaarahoodu sarreeyo, sida hard drives-ka, muraayadaha indhaha, iwm, kuwaas oo u baahan xawli badan oo gudbinta iyo xaddi badan oo xog gudbin ah, balse leh shuruudo hoose oo lagu kalsoonaan karo gudbinta xogta.

3. The interfaces jirka dekedaha taxanaha ah iyo dekedaha isbar-bar yaacaya iyaguna way kala duwan yihiin. Dekadaha Serial sida caadiga ah waxay isticmaalaan DB9 ama DB25 interfaces, halka dekedaha isbarbar-dhigga ah ay isticmaalaan DB25 interfaces ama biinanka dekedda. Intaa waxaa dheer, dekedaha taxanaha ah waxay sidoo kale isticmaali karaan interfaces USB gudbinta xogta.

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4. Gabagabo

Waxaa jira farqi weyn oo u dhexeeya dekedaha taxanaha ah iyo dekedaha isbarbar socda marka la eego hababka gudbinta xogta, xaaladaha isticmaalka, iyo isku xidhka jirka. Sidaa darteed, markaad dooranayso interface, waxaad u baahan tahay inaad doorato interface ku habboon oo ku saleysan shuruudaha codsiga gaarka ah.


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