Molo, Habr! I-ONYX BOOX inenani elikhulu le-e-books kuwo nawuphi na umsebenzi kwi-arsenal yayo - ilungile xa unokhetho, kodwa ukuba inkulu kakhulu, kulula ukudideka. Ukuthintela oku kungenzeki, sizame ukwenza uphononongo oluthe kratya kwiblogi yethu, apho ukubekwa kwesixhobo esithile kucacile.
Kodwa kwisithuba esingaphezulu kwenyanga edlulileyo inkampani yaphambana kwaye yakhupha ii-e-intshi ezininzi ze-intshi ngaxeshanye. Emva kokuba sizisebenzisile, sigqibe kwelokuba singenzi uphononongo oluneenkcukacha ngalunye, kodwa siqokelele ulwazi olusisishwankathelo kwiimveliso ezintsha kupapasho olunye. Wamkelekile kwikati.
Bonke abatsha be-e-readers ngabameli bemigca ekhoyo yabafundi be-ONYX BOOX: uKesare 3, uVasco da Gama 3, uDarwin 5, uDarwin 6 kunye ne-Monte Cristo 4. Siza kuhlala kwimodeli yamva nje ngokubanzi kwinkcazo eyahlukileyo, kodwa ngenxa ngoku makhe sithethe ngezinye.
Yintoni eqhelekileyo?
Ukuqala, makhe sithethe ngokufutshane malunga nokuba yintoni edibanisa ezi zixhobo (ayiyonto ukuba zaye zaboniswa kunye?). Okokuqala, zonke ii-e-readers zisekwe kwiprosesa ye-quad-core, eyona nto ibonakaliswa hayi kakhulu ngamandla ayo njengamandla ayo okugcina amandla. Xa incwadi ikwimo engasebenziyo, ii-cores zicinywa ngokuzenzekelayo, okukuvumela ukuba ukwandise ubomi bebhetri yesixhobo esinomthamo ofanayo webhetri. Iprosesa entsha isebenza ngcono ngamaxwebhu "anzima" kwaye inceda ukwandisa ukusebenza komfundi ngokupheleleyo.
Ukongeza, zonke iimveliso ezintsha zibonisa umsebenzi weNYANGA + yokukhanya ukuze ulungelelanise kakuhle i-backlight. Ngaphezu koko, awukwazi nje ukutshintsha ukukhanya, kodwa ulungelelanise ubushushu: ukukhanya okufudumele kunye nokubandayo kukho i-16 "saturation" yahlulo oluhlengahlengisa i-hue ye-backlight. Enyanisweni, olu luhlengahlengiso oluzimeleyo lokukhanya kwee-LED "ezifudumeleyo" kunye "nezibandayo", ezikuvumela ukuba ulungelelanise i-backlight kwisibane se-ambient. Ngoko ke, umzekelo, emini kumnandi ngakumbi ukufunda kwisikrini esimhlophe, ngokuhlwa (ingakumbi ukuba akukho sibane sikufuphi) - setha i-tint ephuzi kakhulu, kuba umbala ohlaza okwesibhakabhaka unciphisa imveliso ye-melatonin unoxanduva lokulala. Nokuba kubumnyama obuninzi, isiqingatha sexabiso le-backlight sanele. Ngokukhanyisa ngasemva okusebenzayo, ukukhanya okuphezulu kwendawo emhlophe malunga ne-215 cd/mΒ². Olu luphawu olubalulekileyo lwabafundi be-ONYX BOOX, enendawo kuzo zonke iiflegi zomenzi, ngelixa uninzi lwabanye abafundi be-e isikrini sisabengezela mhlophe (eyona nto ingcono, imhlophe nge-tint, engatshintshiyo inyani. ).
Izikrini zezixhobo ezitsha zisakulungele ukufunda ekukhanyeni kwelanga. Nangona uthatha isigqibo sokufunda elunxwemeni, awuyi kuqaphela nayiphi na i-glare, ngokungafani namacwecwe, apho ifilimu ye-matte ikhusela kancane kwi-glare.
Ukulunga, kufuneka kuthiwe ii-smartphones ezininzi, iitafile kunye neekhompyuter ngoku zinomsebenzi wokulungelelanisa i-backlight shades, kodwa kwizixhobo eziphathwayo ukukhanya kuqondiswe ngqo emehlweni, ngoko kunokuba nzima ukufunda ixesha elide ngaphambi kokuba uhambe. Ukulala kwi-iPhone okanye enye i-smartphone. Kwincwadi ye-e-book, i-backlight ikhanyisa isikrini ukusuka kwicala, yingakho amehlo engadinwa nasemva kweeyure ezininzi zokufunda.
Ukusuka ekhohlo ukuya ekunene: ONYX BOOX Vasco da Gama 3, Caesar 3, Darwin 5, Darwin 6
Enye into eqhelekileyo yabafundi abavezwayo yinkxaso ye-SNOW Field imo yokusebenza kwesikrini, esinciphisa inani lezinto zakudala kwisikrini se-E-Ink ngexesha lokuzoba ngokutsha, okuyingxaki kuninzi lwabafundi be-e. Ukuba uyayenza isebenze, ukuzoba ngokutsha xa ufunda amaxwebhu alula okubhaliweyo kuvaliwe ngokupheleleyo, nto leyo eluncedo kakhulu xa usebenza ngeegrafu kunye nemizobo kwifomathi yePDF.
Zonke izixhobo (uKesare 3, uVasco da Gama 3, uDarwin 5 kunye noDarwin 6) uqhuba i-Android 4.4 KitKat. Hayi Android P, kunjalo, kodwa umfundi akafuni enye into.
Ngoku makhe siqhubele phambili kwinto enomdla kakhulu - ukungafani phakathi kwee-e-books eziveziweyo, kuba ziya kunceda ukucacisa injongo ephambili yesixhobo esithile.
ONYX BOOX Kesare 3
Bonisa | 6β³, E Ink Carta, 758Γ1024 pixels, 16 shades of grey, SNOW Field |
Umbulelo | Ukukhanya kwenyanga + |
kwinkqubo yokusebenza | Android 4.4 |
Ibhetri | I-Lithium-ion, umthamo we-3000 mAh |
Iprosesa | i-quad-core, 1.2 GHz |
RAM | I-512 MB |
Inkumbulo eyakhelwe-ngaphakathi | 8 GB |
Ikhadi lememori | I-MicroSD/MicroSDHC |
Iifomathi ezixhaswayo | TXT, HTML, RTF, FB2, FB3, FB2.zip, DOC, DOCX, PRC, MOBI, CHM, PDB, EPUB, JPG, PNG, GIF, BMP, PDF, DjVu |
Ubukhulu | 170 Γ 117 Γ 8,7 mm |
U bunzima | 182 g |
Lo ngumzekelo omncinci kumgca, apho kwi-iteration entsha ifumene isikrini se-E Ink Carta kunye nesisombululo esongeziweyo. Ulawulo lwenziwa kuphela ngamaqhosha omatshini, umboniso awuchukumisi-uchuku. Kwangaxeshanye, umfundi uneqokobhe lesoftware ye-ONYX BOOX, ethi "i-add-on" kwi-Android, ixhasa zonke iifomati eziphambili kunye neefomathi zegraphic, kwaye ikuvumela ukuba usebenze ngezicatshulwa kwezinye iilwimi - ezinye zazo. izichazi-magama sele zihlonyelwe ngaphambili apha.
Yekabani: kwabo bafuna ngokuyintloko i-e-reader elungileyo yokufunda, ngaphandle kokufuna imisebenzi eyongezelelweyo.
Nangona inyani yokuba le yenye yezona zinto zifikelelekayo zabafundi be-ONYX BOOX, ayigcinwanga ngokunyuka kwe-RAM kunye ne-8 GB yememori yangaphakathi - kunye kusoloko kukho ithuba lokwandisa ukugcinwa ngokufaka imemori khadi.
Umzimba umnyama kwaye wenziwe ngeplastiki elungileyo. Amaqhosha okulawula asemzimbeni kuphela - isikrini esichukumisayo asihanjiswanga, kuba oku kufuneka ujike kwiimodeli eziphambili kakhulu kumgca, kunye nemodyuli ye-Wi-Fi. Kukho amaqhosha amane: elinye liphakathi kumbindi kwaye lisebenza njengenduku yovuyo: ungatshintsha phakathi kwezinto zemenyu, sebenzisa iqhosha njengeqhosha elithi "Kulungile", njengakwi-smartphones zakwaNokia kwiminyaka yoo-2000. Kwaye ezinye ezimbini zi-symmetrical emacaleni, ezithi ngokungagqibekanga zisetyenziselwa ukuguqula iphepha. Ewe, iqhosha lamandla liphezulu. Amanqaku amabini okugqibela aqhelekile kubo bonke abafundi be-intshi ezi-6.
Kungenjalo, kukho yonke into esiqhele ukuyibona kwi-ONYX BOOX e-books. Kukho ii-icon ezi-5 kwibar yokukhangela: "Ithala leencwadi", "Umphathi weFayile", "Izicelo", "Ukukhanya kweNYANGA" kunye "namanqaku". Ungayifunda zombini kwi-OReader (ifaneleke ngakumbi kwintsomi) nakwi-NeoReader 2.0-ihlangabezana nokuvula iiPDF ezinzima nge-bang. Zombini iiapps zokufunda sele zakhelwe ngaphakathi.
Ewe, njengebhonasi, kukho imifanekiso emininzi kunye noKesare, zombini xa uvula kwaye xa ubeka isixhobo kwimodi yokulala. Ndivuyiswa kukuba i-ONYX BOOX iyaqhubeka nokuphuhlisa inqaku kunye nabantu abadumileyo, kulula ukuhlukanisa abafundi be-e-readers omnye komnye, isixhobo ngasinye sine-zest yayo.
Njengazo zonke iimveliso ezintsha, inikwe amandla yi-micro-USB. Akukho USB-C - oku kusebenza kwiimodeli ezindala zomenzi.
Lo ngumfundi olungileyo wokufunda ngokukhululekileyo ngomlinganiselo ofanelekileyo womgangatho wexabiso. Ingasetyenziswa njengesixhobo - umncedisi kwizifundo (umntwana akayi kuphazamiseka ngokuzonwabisa kwi-Intanethi), kwaye njengomfundi wabantu abadala abafuna isikrini esihle kunye nobomi bebhetri obuhloniphekileyo (apha - malunga ne inyanga).
Ixabiso: 7β½
ONYX BOOX Vasco da Gama 3
Bonisa | Chukumisa, 6β³, E Ink Carta, 758Γ1024 pixels, 16 grayscale, multi-touch, SNOW Field |
Umbulelo | Ukukhanya kwenyanga + |
Isikrini esibanjwayo | I-Capacitive multi-touch |
kwinkqubo yokusebenza | Android 4.4 |
Ibhetri | I-Lithium-ion, umthamo we-3000 mAh |
Iprosesa | Quad-core, 1.2 GHz |
RAM | I-512 MB |
Inkumbulo eyakhelwe-ngaphakathi | 8 GB |
Ikhadi lememori | I-MicroSD/MicroSDHC |
Iifomathi ezixhaswayo | TXT, HTML, RTF, FB2, FB3, FB2.zip, DOC, DOCX, PRC, MOBI, CHM, PDB, EPUB, JPG, PNG, GIF, BMP, PDF, DjVu |
Unxibelelwano olungenazingcingo | I-Wi-Fi 802.11b / g / n |
Ubukhulu | 170 Γ 117 Γ 8,7 mm |
U bunzima | 182 g |
Ukongeza kwiifoto ezininzi zomqhubi wenqanawa odumileyo wasePutukezi osuka kwixesha lokufunyanwa kwejografi, i-ONYX BOOX Vasco da Gama 3 sele ibonise isikrini sokuchukumisa esine-capacitive enenkxaso ye-touch multi-touch. Kwi-e-reader, isikrini siphezulu ngokwenene, kungekhona nje ngenxa yokulungiswa kakuhle kweqondo lokushisa, kodwa kunye nokuphendula okulungileyo kunye nokucaca okuphezulu koonobumba naxa ukhetha isayizi yombhalo omncinci.
I-Multitouch ivula amathuba amatsha okunxibelelana nokubhaliweyo. Awungekhe ulinganise isicatshulwa kuphela ngepinki yeminwe emibini eqhelekileyo, kodwa ujike iphepha (nokuba ngocofa okufutshane okanye ngophawu lokuswayipha), bhala amanqaku kwisicatshulwa, khetha igama lokuguqulela usebenzisa isichazi-magama esakhelwe ngaphakathi, kwaye ngokukhawuleza ulungise ukukhanya kweNYANGA + backlight. I-ONYX BOOX ihlala isebenzisa olu hlobo lwesikrini kubafundi bayo be-flagship; Apha, isiboniso esinamandla esine-multi-touch sikwakhona kwimodeli efikelelekayo.
Kukho ujongano oluqhelekileyo apha: embindini kukho iincwadi zangoku kwaye zisanda kuvulwa, phezulu yibha yesimo, ebonisa intlawulo yebhetri, i-interfaces esebenzayo, ixesha kunye neqhosha laseKhaya, ezantsi yibha yokukhangela. Lo mfundi unelinye iqhosha lokulawula phantsi kwesikrini - njengakwabanye abafundi abangabizi kakhulu abavela kumenzi (umzekelo, "
Ukusuka ekhohlo ukuya ekunene: ONYX BOOX Vasco da Gama 3 noKesare 3
Olunye uphawu lwalo mfundi xa kuthelekiswa nemodeli "emncinci" yomgca ohlaziyiweyo kubukho bemodyuli ye-Wi-Fi, ekuvumela ukuba ufikelele kwi-Intanethi - ayisiyonto ukuba isicelo "seSikhangeli" sivele apha ngezantsi. indawo yokukhangela. Le yokugqibela iyavuya ngokuphendula kwayo; ungandwendwela uHabr owuthandayo kwaye uthathe inxaxheba kwiingxoxo. Kukho, ngokuqinisekileyo, ukuzotywa kwakhona, kodwa akuphazamisi.
Ngokusisiseko, iVasco da Gama 3 "yi-Pumped-up Caesar 3", esele ikuvumela ukuba usebenze ngesikrini ngaphandle kwamaqhosha asemzimbeni kwaye ungene kwi-Intanethi. Ukuba ne-Intanethi kukuvumela ukuba ukhuphele iincwadi usebenzisa amathala eencwadi e-elektroniki.
Yekabani: Abo basetyenziselwa ukusebenza ngesikrini sokuchukumisa kwaye bafuna ukuba nayo yonke imithombo enokubakho ye-e-books esandleni.
Ixabiso: 8β½
ONYX BOOX Darwin 5
Bonisa | Chukumisa, 6β³, E Ink Carta, 758Γ1024 pixels, 16 grayscale, multi-touch, SNOW Field |
Umbulelo | Ukukhanya kwenyanga + |
Isikrini esibanjwayo | I-Capacitive multi-touch |
kwinkqubo yokusebenza | Android 4.4 |
Ibhetri | I-Lithium-ion, umthamo we-3000 mAh |
Iprosesa | Quad-core, 1.2 GHz |
RAM | 1 GB |
Inkumbulo eyakhelwe-ngaphakathi | 8 GB |
Ikhadi lememori | I-MicroSD/MicroSDHC |
Iifomathi ezixhaswayo | TXT, HTML, RTF, FB2, FB3, FB2.zip, DOC, DOCX, PRC, MOBI, CHM, PDB, EPUB, JPG, PNG, GIF, BMP, PDF, DjVu |
Unxibelelwano olungenazingcingo | I-Wi-Fi 802.11b / g / n |
Ubukhulu | 170 Γ 117 Γ 8,7 mm |
U bunzima | 182 g |
Umahluko phakathi kweDarwin 5 kunye neVasco da Gama 3 iqala ngoqwalaselo. Okokuqala, umfundi uza kunye neshaja eludongeni, ekuvumela ukuba udibanise kuyo nayiphi na i-outlet - akukho mfuneko yokuba ujikeleze ivenkile ukhangele i-adapter.
Kwakhona kufakwe isikhwama sencwadi esilinganisa isikhumba esirhabaxa kunye ne-embossing kunye nefreyimu eqinile. Kukho izinto ezithambileyo ngaphakathi ukukhusela isikrini. I-e-book "ihleli" ngokukhuselekileyo kuyo, ngoko ke i-accessory ayenzi nje i-aesthetic, kodwa kunye nomsebenzi wokukhusela. Kwaye ukuthintela ukuba ityala livuleke ngengozi ngexesha lothutho, linemikhono yamagnetic. Ngendlela, isigqubuthelo sasixhotyiswe ngemisebenzi ehlakaniphile: ngenxa yenzwa yeHolo, incwadi ingena ngokuzenzekelayo kwimodi yokulala xa ikhava ivaliwe, kwaye ivuke xa ivuliwe.
Ityala, njengesiqhelo kunye ne-ONYX BOOX, ine-twist yayo - ibonisa "uMthi wemvelaphi yoBomi," isimboli esiphambili seDarwinism.
Isigqubuthelo asenzeli kuphela umsebenzi wokukhusela, sinokusetyenziswa njengento yokumisa. Kuya kuba luncedo ukuba usebenzisa umfundi ukufunda - umzekelo, vula incwadi yesikhokelo ngokuqhelaniswa tye. Umzimba wenziwe ngeplastiki epholileyo ethambileyo; ukubamba isixhobo esinjalo ezandleni zakho kumnandi ngakumbi.
Ukusuka ekhohlo ukuya ekunene: ONYX BOOX Darwin 6 kunye noDarwin 5
Ewe, kwi-dessert - yongeza i-RAM kwi-1 GB. Ngaphezu koko, iyabonakala ngokwenene xa kuthelekiswa ne-512 MB yeemodeli ezincinci, ngakumbi ukuba usebenza ngemizobo kunye neegrafu ezifuna ukunikezelwa ngokukhawuleza. Ukugcina iincwadi, kukho i-8 GB yememori eyakhelwe-ngaphakathi (isibini sabelwe inkqubo), enokusetyenziswa ukuba ufunda kuphela imisebenzi yeengcamango. Kuwo wonke umntu, kukho indawo esezantsi yeememori khadi ze-microSD.
Xa ufunda, zombini i-multi-touch epheleleyo kunye nenkxaso yokuchukumisa ezintlanu ngaxeshanye, kunye nokubiza ukuguqulelwa kwegama usebenzisa isichazi-magama esilayishiwe (chukumisa nje igama elifunwayo kwaye ubambe de kuvele uguqulelo) kunye nokukhumbula ngokuzenzekelayo okokugqibela. incwadi evuliweyo kunye nephepha ziluncedo.
Yekabani: Abo bangafundanga kuphela imisebenzi yeengcamango, kodwa baphinde basebenze ngamaxwebhu "anzima", bahlala bethatha umfundi kunye nabo eofisini okanye bafunde.
Ixabiso: 10β½
ONYX BOOX Darwin 6
Bonisa | Chukumisa, 6β³, E Ink Carta Plus, 1072Γ1448 pixels, 16 grayscale, multi-touch, SNOW Field |
Umbulelo | Ukukhanya kwenyanga + |
Isikrini esibanjwayo | I-Capacitive multi-touch |
kwinkqubo yokusebenza | Android 4.4 |
Ibhetri | I-Lithium-ion, umthamo we-3000 mAh |
Iprosesa | Quad-core, 1.2 GHz |
RAM | 1 GB |
Inkumbulo eyakhelwe-ngaphakathi | 8 GB |
Ikhadi lememori | I-MicroSD/MicroSDHC |
Iifomathi ezixhaswayo | TXT, HTML, RTF, FB2, FB3, FB2.zip, DOC, DOCX, PRC, MOBI, CHM, PDB, EPUB, JPG, PNG, GIF, BMP, PDF, DjVu |
Unxibelelwano olungenazingcingo | I-Wi-Fi 802.11b / g / n |
Ubukhulu | 170 Γ 117 Γ 8,7 mm |
U bunzima | 182 g |
U-ONYX BOOX wagqiba ekubeni angabi krelekrele kakhulu kwaye, kunye noDarwin 5, wakhululwa ... ewe, uDarwin 6! Ewe, iApple ibonisa ii-iPhones ezininzi ezintsha ngaxeshanye, kutheni ungasebenzisi iskimu esinjalo nabafundi? Ngaphezu koko, umahluko phakathi kwe-Darwin yesithandathu kunye nomanduleli wayo ubalulekile - isikrini se-E Ink Carta Plus esinesisombululo se-1072 nge-1448 pixels (kunye nomthunzi owahluke kancinane we-soft-touch body plastic). Isisombululo esongeziweyo kunye ne-diagonal yesikrini esifanayo (i-intshi ezi-6) yenze ukuba kube lula ukunyusa ubuninzi be-pixel kwi-300 ppi, kwaye oku, ngendlela, sele ifaniswe nokuprintwa kwephepha. Nge-E Ink Carta eqhelekileyo ikhululekile kakhulu ukuyifunda, kodwa apha ayibonakali kwincwadi yephepha yangempela. Ewe, iphepha mhlawumbi alikho rhabaxa.
Ngaphandle koko, i-Darwin 6 iphinda imodeli yesihlanu - ukusuka kwisigubungelo esipheleleyo kunye noyilo olufanayo kwiimpawu zobugcisa kunye ne-interface ye-ONYX BOOX eqhelekileyo. Ujongano luyaphendula, awuyi kuqaphela naziphi na iilags okanye umkhenkce, nokuba uthini na uxwebhu oluvulekileyo: nokuba yincwadana encinci okanye incwadi enkulu yePDF.
Isikrini esikhulu sokukhangela sencwadi sikuvumela ukuba ufikelele kwithala leencwadi, vula umphathi wefayile, icandelo lesicelo, vula i-NYON Light + i-backlight setting, faka izicwangciso eziqhelekileyo, kwaye uqalise isikhangeli. Kanye ngasentla kweencwadi ezivulwe zokugqibela kunye nomsebenzi owufundayo ngoku uyaboniswa, ebonisa inkqubela kunye nomhla wokuvulwa kokugqibela kwencwadi. Phakathi kwezicelo ezifakwe ngumenzi, ngaphezu kwesikhangeli, unokufumana i-calculator, iwashi, umxhasi we-imeyile kunye nabanye.
ONYX BOOX Darwin 6
Yekabani: Abo bangafuni ukufunda nje, kodwa ukufunda kwesona sikrini siphambili; kubani iinkcukacha ezincinci zibalulekile (umzekelo, kwimizobo) ezinokubonwa kuphela kwiskrini esiphezulu.
Ixabiso: 11β½
Iyafana kodwa yodwa
Abameli bomgca omtsha we-6 intshi ye-ONYX BOOX bafana kakhulu omnye nomnye (nokuba ubukhulu kunye nobunzima bufana!). Ngaba sinokuthi ezi zilungiso ezininzi zesixhobo esinye? Hayi. Kuphela nje ukuba umenzi uthathe isigqibo sokukhulula imodeli yomfundi othile, ukuze wonke umntu akhethe umfundi ngokweemfuno zabo. Ngaba kukho enye into oyifunayo kwi-e-reader ngaphandle kokufunda? Masithathe uCeasar 3. Ngaba ngamanye amaxesha ufuna ukuya kuHabr kwaye usebenzise i-imeyile? Emva koko iVasco da Gama 3. Isikrini sokuchukumisa kunye ne-RAM engaphezulu yokusebenza kunye neetoni zeePDF? Kufanelekile ukunikela ingqalelo kuDarwin 5 okanye uDarwin 6.
Ukusuka ekhohlo ukuya ekunene: ONYX BOOX Vasco da Gama 3, Caesar 3, Darwin 5, Darwin 6
Isixhobo esifikelelekayo kakhulu kumgca siya kubiza i-ruble ye-7, kunye neentsimbi kunye neempempe - phantse i-ruble ye-990. Ukuqwalasela ukusetyenziswa phantse zonke itekhnoloji zamva nje, kubandakanya Ukukhanya kweNYANGA + yokufunda ebumnyameni, ixabiso alikho phezulu. Bonke abafundi abavezwayo banebhetri eyi-12 mAh, elula ngokwaneleyo ukuba ifundwe inyanga ngaphambi kokulala. I-drawback kuphela ekufuneka iqatshelwe kukunqongophala kwe-minijack yokumamela iincwadi zeaudio; amava ethu abonisa ukuba le ayisiyiyo eyona nto idumileyo kubafundi. Owu, kunye necala "lothando" lweminwe, kodwa ngesigqubuthelo esibandakanyiweyo uyakulibala ngaso π
Kungakhathaliseki ukuba kunjalo, bonke bangabafundi ababalaseleyo, apho ngamnye uya kufuna "ukuqala ukufunda" (okanye uqhubeke ngokukhawuleza), uye eyunivesithi ukuze ungathathi itoni yeencwadi zezifundo kunye nawe, okanye uye emsebenzini bachithe iiyure befunda iiplani zokwakha kunye nemizobo. Into ephambili kukuba ukhethe umfundi ngokweemfuno zakho.
umthombo: www.habr.com