Ibhulogi

Uyini umehluko phakathi kwezimbobo ze-serial nezimbobo ezifanayo?

2024-09-27 09:02:48

Namuhla sizokhuluma ngomehluko phakathi kwe-serial port kanye ne-parallel port. Kokubili imbobo ye-serial kanye ne-parallel port yizixhumi ezibonakalayo zekhompiyutha ezivamile, ezisetshenziselwa ukuxhuma amadivaysi namakhompyutha, kodwa kunomehluko omkhulu phakathi kwazo.

Okuqukethwe

1. Liyini ichweba elihambisanayo?
2. Yini i-serial port?
3. Uyini umehluko phakathi kwalokhu okubili?
4. Isiphetho

1. Liyini ichweba elihambisanayo?

I-Parallel port isifinyezo se-parallel interface. Imbobo ehambisanayo yamakhompuyutha ezimboni isebenzisa isixhumi esimise okumaphini angama-25. Okubizwa ngokuthi "i-parallel" kusho ukuthi ama-bits angu-8 edatha adluliselwa ngesikhathi esisodwa ngemigqa ehambisanayo, ukuze isivinini sokudlulisa idatha sithuthukiswe kakhulu, kodwa ubude bomugqa wokudlulisa okufanayo bulinganiselwe. Ngenxa yokuthi ubude buyanda, ukuphazamiseka kuzokwanda, futhi idatha izoba namaphutha. Njengamanje, isixhumi esibonakalayo esihambisanayo sisetshenziswa kakhulu njengembobo yephrinta, njll.

2. Yini i-serial port?

Imbobo ye-serial ibizwa nangokuthi i-serial communication interface, noma imbobo ye-COM. Ngokuvumelana nezindinganiso zikagesi nezivumelwano, izimbobo ze-serial zifaka i-RS-232-C, RS-422, RS485, USB, njll.

3. Uyini umehluko phakathi kwalokhu okubili?

1. Izimbobo ze-serial kanye nezimbobo ezihambisanayo izindlela ezahlukene zokudlulisa idatha. Imbobo yomkhiqizo iyisixhumi esibonakalayo sokudlulisa kancane kancane esithumela idatha kukhompyutha noma kwenye idivayisi kancane kancane. Le ndlela ingaqinisekisa ukwethembeka kokudluliswa kwedatha, kodwa isivinini sokudlulisela sihamba kancane. Imbobo ehambisanayo iyisixhumi esibonakalayo sokudlulisa esihambisanayo esingathumela izingcezu eziningi zedatha ngesikhathi esisodwa, ngakho-ke isivinini sokudlulisela siyashesha, kodwa sithikamezeka kalula.

2. Izimbobo ze-serial kanye nezimbobo ezifanayo nazo ezahlukene kumadivayisi kanye nezimo ezisetshenziswa. Izimbobo ze-serial zivame ukusetshenziselwa ukuxhuma ezinye izisetshenziswa ezinesivinini esiphansi, njengamaphrinta, amamodemu, njll. Isivinini sabo sokudlulisa idatha asiphezulu, kodwa ukwethembeka kokudluliswa kwedatha kuyadingeka ukuze kube phezulu. Izimbobo ezihambisanayo zivame ukusetshenziselwa ukuxhuma amadivaysi anesivinini esikhulu, njengama-hard drive, ama-optical drives, njll., adinga isivinini esiphezulu sokudlulisela kanye nenani elikhulu lokudluliswa kwedatha, kodwa anezidingo eziphansi zokuthembeka kokudluliswa kwedatha.

3. I ukuxhumana ngokomzimba yamachweba we-serial kanye namachweba ahambisanayo nawo ahlukile. Izimbobo ze-serial ngokuvamile zisebenzisa i-DB9 noma i-DB25 yokuxhumana, kuyilapho izimbobo ezifanayo zisebenzisa izixhumi ezibonakalayo ze-DB25 noma izikhonkwane zembobo ezihambisanayo. Ngaphezu kwalokho, izimbobo ze-serial zingasebenzisa nezixhumi ezibonakalayo ze-USB zokudlulisa idatha.

4. Isiphetho

Kunomehluko omkhulu phakathi kwezimbobo ze-serial kanye nezimbobo ezifanayo mayelana nezindlela zokudlulisa idatha, izimo zokusetshenziswa, kanye nokuxhumana okubonakalayo. Ngakho-ke, lapho ukhetha i-interface, udinga ukukhetha isikhombimsebenzisi esifanele ngokusekelwe ezidingweni ezithile zohlelo lokusebenza.

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