Ukwazi Okubhekayo Uma Uthenga I-CRT Monitor ye-PC yakho
Ngenxa yobukhulu bayo nomthelela wezemvelo, ukubonisa okusekelwe esidala kwe-CRT akukakhiqizwa ukusetshenziswa komthengi jikelele. Uma ufuna ukubona isibonisi sekhompyutheni yakho, hlola Umhlahlandlela Wokuthenga Umqaphi Wami we-LCD obhekisela eziciweni nasebuchwepheshe obuhlukahlukene ngemuva kokubukwa kwekhompyutha okwamanje.
I-Cathode Ray Tube noma abahloli be-CRT yihlobo elidala kunazo zonke lokubonisa izinhlelo zekhompyutha ye-PC. Amakhompiyutha amaningi okuqala ayeneziboniso zawo ezivela kwisignali yevidiyo ehlanganisiwe ejwayelekile ukuze aboniswe ku-TV evamile. Njengoba isikhathi siqhubeka, kanjalo nezinga lobuchwepheshe lusetshenziselwa ukubonisa ikhompyutha.
Ukuqapha Ubukhulu Nendawo Ekwaziwa Ngayo
Bonke abahloli be-CRT bathengiswa ngokusekelwe usayizi wabo wesibuko. Lokhu ngokuvamile kubalwe ngokusekelwe kwesilinganiselo sokuhlukanisa kusuka ekhoneni elingezansi kuya ehlangothini oluphambene nendawo ephezulu kwesikrini ngamasentimitha. Noma kunjalo, usayizi wokuqapha awuhumushi ngosayizi wokubonisa oqobo. Izibhebhe zokubheja ngokuvamile zimbozwa ngokukodwa kwesikrini. Ngaphezu kwalokho, ithubhu ngokuvamile ayikwazi ukukhipha isithombe kumaphethelo we-tube full. Njengalokhu, ufuna ngempela ukubheka isilinganiso esilinganiselwe sendawo esinikezwe ngumenzi. Ngokuvamile indawo ebonakalayo noma ebonakalayo yesimiso izoba cishe .9 kuya ku-1.2 amasentimitha amancane kune-tube ehambisanayo.
Isixazululo
Bonke abaqaphi be-CRT manje babhekiselwa njengabaqaphi be-multisync. Umqapha uyakwazi ukulungisa i-electron beam kangangokuthi iyakwazi ukubonisa izinqumo eziningana ngamazinga avuselelekayo. Nasi uhlu lwezinye izinqumo ezisetshenziselwa kakhulu kanye nesisho sesinqumo:
- I-SVGA = 800x600
- I-XGA = 1024x768
- I-SXGA = 1280x1024
- UXGA = 1600x1200
Kunezinhlobo ezihlukahlukene zezinqumo ezitholakalayo phakathi kwalezi zinqumo ezijwayelekile ezingahle zisetshenziswe ngumqapha. Isilinganiso esingu-17 "I-CRT kufanele sikwazi ukwenza isinqumo se-SXGA kalula futhi singakwazi ukufinyelela i-UXGA. Noma yikuphi okungu-21" noma i-CRT enkulu kufanele sikwazi ukwenza u-UXGA futhi ngaphezulu.
Amashadi okuvuselela
Izinga lokuvuselela libhekisela kwinani lezikhathi umlenze angadlulisa umthamo phezu kwendawo egcwele yokubonisa. Lezinga lingashintsha kakhulu ngokuya ngezilungiselelo umsebenzisi anakho kukhompyutha yakhe nokuthi yini ikhadi levidiyo elishayela ukubonisa likwazi. Zonke izilinganiso zokuvuselelwa ngabakhiqizi zivame ukuhlunga izinga eliphezulu lokuvuselela kwisinqumo esinikeziwe. Le nombolo ihlelwe ku-Hertz (Hz) noma imijikelezo ngomzuzwana. Isibonelo, i-monitor spec sheet ingabhala into efana no-1280x1024 @ 100Hz. Lokhu kusho ukuthi umlenze uyakwazi ukuskena isikrini izikhathi ezingu-100 ngomzuzwana kusixazululo se-1280x1024.
Ngakho kungani izinga lokuvuselela lendaba? Ukubuka isibonisi se-CRT ngokuhamba kwesikhathi eside kungabangela ukukhathala kwamehlo. Izibukeli ezisebenza ngamazinga aphansi okuvuselela zizobangela lokhu kukhathala ngesilinganiso esifushane. Ngokuvamile, kungcono ukuzama ukuthola ukubonisa okuzobonisa ku-75 Hz noma okungcono kwisinqumo esifisa. I-Hz engu-60 ibhekwa njengento encane futhi iyinani elijwayelekile lokuvuselela okuzenzakalelayo labashayeli bevidiyo nabakhokeli ku-Windows.
Dot Pitch
Abakhiqizi abaningi nabathengisi abavame ukuhlunga izilinganiso ze-dot pitch. Lesi silinganiso sibhekisela ebukhulu bephikseli enikeziwe esikrinini ngamamithamitha. Lokhu kwaba yinkinga eminyakeni edlule njengoba izikrini ezazama ukwenza izinqumo eziphakeme ngezilinganiso ezinkulu ze-dotch ukulinganisa zazivame ukuba nesithombe esingenangqondo ngenxa yombala ophuma phakathi kwamaphikseli esikrinini. Ukunconywa kwamapayipi okuphansi kunconywa uma kunika ukubonisa ukucaca okukhulu kwesithombe. Ukulinganisa okuningi kwalokhu kuyoba phakathi kuka -21 no -28 mm nezikrini eziningi ezinenani elilinganiselwa cishe eli-25 mm.
Usayizi weKhabhinethi
Enye indawo abathengi abaningi abajwayele ukuyibuka lapho bethengisa i-CRT Monitor isayizi yekhabhinethi. Ababheki be-CRT bavame ukuba baningi kakhulu futhi banzima futhi uma unesilinganiso esilinganiselwe isikhala sedeski, cishe uzokhawulelwa usayizi wokuqapha ongakuthola esikhala esinikeziwe. Lokhu kubaluleke kakhulu ekujuleni kokuqapha. Izisebenzi eziningi zekhompuyutha kanye nama-desk ajwayele ukuba namashalofu afanelana nomqapha ophethe iphaneli yangemuva. Abaqaphi amakhulu endaweni enjalo bangabangela ukuba i-monitor iqonde kakhulu kumsebenzisi noma ikhawulele ukusetshenziswa kwekhibhodi.
Ukunciphisa isikrini
Ukubukwa kwe-CRT manje kunezinhlobonhlobo zemikhawulo ehlukahlukene ngaphambili kwesikrini noma ithubhu. Ama-tubes wangempela afana namasethi we-TV abe nombuthano ohlangene ukwenza kube lula kumswakama we-electron ukuskena ukunikeza isithombe esicacile. Njengoba ubuchwepheshe buqhubekela phambili, izikrini ezishonile zafika lapho okwakunezinhlangothi ezingakwesobunxele nangakwesokudla kodwa ubuso obunamathele. Manje izihloli ze-CRT zitholakalayo ngezikrini eziphelele flat kuzo zombili izakhiwo enezingqimba kanye mpo. Ngakho-ke, udaba luni? Ukuphakama kwesikrini esimisiwe kufinyelela ekuboniseni ukukhanya okungaphezulu okubangela i-glare esikrinini. Ngokufanayo namazinga aphansi okuvuselela, inani elikhulu le-glare kwesikrini sekhompyutheni landisa inani lokukhathala kweso.