Yintoni i encoding kunye zokucazulula? Imizekelo. Iindlela ze encoding kunye zokucazulula data lwamanani, umbhalo graphic

Ukusetyenziswa kweekhompyutha yekhompyutha ukuze lweenkcukacha iye yaba nqanaba ebalulekileyo kwinkqubo yokuphucula kweenkqubo zolawulo kunye nocwangciso. Kodwa loo ukuqokelelwa kolwazi kunye indlela ukuprosesa zisenokwahluka ukusuka njengesiqhelo, kwaye ngoko ke kufuna utshintsho kwinkqubo yeesimboli ukuba iyaqondakala kwi computer.

Yintoni na esephepheni of ulwazi?

weeNgcombolo ezintlantlu - oku linyathelo sele inkqubo yokuqokelela nokuhoywa ulwazi.

Njengoko umthetho, phantsi ikhowudi ithetha indibanisela zabalinganiswa oluhambisana data ethunyelwayo, okanye ezinye iimpawu umgangatho wabo. A esephepheni - inkqubo ekwenzeni badibanise ofihliweyo kuluhlu lwe nezishunqulelo okanye iimpawu ezizodwa udlulisele intsingiselo yokuqala yomyalezo. Usebenziso ngekhowudi ngamanye amaxesha kuthiwa ufihlo, kodwa kuluncedo esazi ukuba inkqubo yokugqibela ibandakanya ukhuseleko data yokulwa kusiko kunye nokufunda ngamaqela esithathu.

Injongo iikhowudi ku kunika iinkcukacha ngendlela elula ngqo ukuba idluliselwe lula nokulungiswa kwisixhobo computing. Iikhompyutha usebenze ngolwazi kuphela ngohlobo oluthile, ngoko ke kubalulekile ukuba ukulibala ukuba ukuze siphephe iingxaki. Idayagram ebonisa lweenkcukacha kuquka ukucinga, ukuhlela nolandelelwaniso, nokhowudo ifunyenwe kwi ulwazi ngegalelo inyathelo ngohlobo elifihlakeleyo.

Yintoni ekufundeni le nkcazelo?

Umbuzo wokuba yintoni encoding kunye zokucazulula, umsebenzisi unokuba PC, ngenxa yezizathu ezahlukeneyo, kodwa kunjalo kubalulekile ukugqithisa ulwazi oluchanekileyo ukuze umsebenzisi ukwenza inkqubela information technology kuqhubeka ukuba iqukuqele. Njengoko usazi, emva kokuba inkqubo lweenkcukacha uvelisa ikhowudi yemveliso. Ukuba Isiqwenga enjalo States umfanekiso ulwazi yokuqala. Okt kokuhlaziya - le yinkqubo reverse encryption.

Ukuba ngexesha data ikhowudi athathe uhlobo lwemiqondiso isimilo apho ezihambelana ngokupheleleyo into ngesondo, ngoko ke izakhi lwekhowudi inkcazelo ethunyelwe isusiwe okanye ezinye iimpawu zayo.

Abamkeli coded imiyalezo abe iinkcukacha ezimbalwa, kodwa kubaluleke kakhulu ukuba ukweyela ezandleni kubo kwaye awufunyaniswanga luxeliwe phambi amaqela esithathu. Ngoko kuyimfuneko ukuba ukufunda iinkqubo ze encoding kunye nolwazi kokuhlaziya. Banceda ukwabelana ngolwazi eyimfihlo phakathi kwiqela interlocutors.

Usebenziso ngekhowudi kunye kokuhlaziya umbhalo ulwazi

Xa ucinizela isitshixo yezitshixo kwi khompyutha ifumana uphawu ngokohlobo njengenani eliphindwe kabini, apho zifumaneka okotshiweyo betafile ikhowudi - ukumelwa lwangaphakathi zabalinganiswa kwiPC. Standard kulo lonke ihlabathi bakholelwa ASCII itafile.

Noko ke, bambalwa uyazi ukuba yintoni na ukuyiqonda zokucazulula, kufuneka uqonde indlela data kubekwe kwi computer yakho. Umzekelo, ukugcina ngesimboli enye lokubini electronic khompyutha ngokukhetha 1 byte, ngamanye 8 ziintanda. Le seli unokuba amaxabiso ezimbini kuphela: 0 no 1. Kubonakala ukuba omnye byte ikuvumela ukuba uguqulele kwi khowudi i abalinganiswa ezahlukeneyo 256, kuba linani lwendibaniso ungenza. Ezi zizifundo kwaye yinxalenye engundoqo ASCII itafile. Ngokomzekelo, incwadi S khowudi njengoko 01010011. Xa ucofa phezu keyboard, kukho ukhowudo zokucazulula lwe data, kwaye sifumana isiphumo ezilindelekileyo kwikhusi.

Isiqingatha olusezantsi ASCII itafile iqulethe kweekhowudi amanani, zokulawula kunye neeleta IsiNgesi. Enye inxalenye yayo izele amanqaku kazwelonke, abalinganiswa pseudo kunye iimpawu ezingavunyelwanga ezinxulumene kwimathematika. Kucacile ukuba amazwe ahlukeneyo, le yinxalenye table iya kwahluka. xa amasuntswana abangena nawo ukuguquka ibe inkqubo ubalo yokubini ngokungqinelana isishwankathelo eqhelekileyo.

amanani iikhowudi

In binary notation, ezo ngenkuthalo usebenzisa iikhompyutha, kukho kuphela amanani amabini - 0 no 1.

Amanyathelo ukwenza i amanani inkqubo yokubini ukufunda izibalo yokubini. Uninzi lwemithetho lwabo lwabasaqala zezibalo ukuya zibalo kuhlala ezifanelekileyo.

Imizekelo encoding kunye ukucazulula amanani

Sicebisa ukuba siqwalasele 2 encoding indlela mzobo 45. Ukuba oku kwenzeka phakathi isiqwenga itekisi, ngoko ngalinye candelo wayo bazaku enkhowudwa ngokungqinelana umgangatho ASCII itafile ziikhowudi 8. Abane ithuba 01000011, kwaye ezintlanu - ukuya 01.010.011.

Ukuba inani 45 esetyenziswa ekubaleni, oko kuya kuthatha inxaxheba indlela ekhethekileyo yokuguqulwa bit ezisibhozo- code yokubini 001 011 012, nto leyo efunekayo zokugcina byte 1 kuphela.

Esephepheni of ulwazi olukokuzotyiweyo

Ukwandisa umfanekiso ezinombala kunye iglasi, uya kubona ukuba yakhiwe inani elikhulu lamachokoza ezincinane bayila iipateni epheleleyo. iimpawu ngamanye umfanekiso ngamnye kwaye uququzelelo linear nayiphi na indawo ingabonakaliswa ngohlobo amanani. Ngoko ke, i encoding bitmap esekelwe ikhowudi yokubini, aguqulelwe ukubonisa ulwazi olukokuzotyiweyo.

imifanekiso abamnyama nabamhlophe - indibanisela ngokwamanqaku lineentsingiselo ezahlukeneyo ongwevu, oko kukuthi, elubengezelo umfanekiso ingongoma nganye uzimisele bit ezisibhozo-amanani yokubini. Umgaqo we yokubola okanye ithambeka ngokungenasizathu kumacandelo ezingundoqo - sisiseko sale nkqubo, njengoko esephepheni of ulwazi graphic. Abawacazululayo imifanekiso kwenzeka ngendlela efanayo, kodwa umva.

Xa ukwanda ezintathu ngemibala: oluhlaza, obomvu, kunye noblowu naliphi umthunzi yendalo zingafumaneka ngokuhlanganisa ezi ukuthambeka. Le nkqubo esephepheni kuthiwa RGB. Kwimeko ezingamashumi amabini anesine amasuntswana ikhowudi imo conversion umfanekiso graphic ekuthiwa umbala ngokupheleleyo.

Yonke imibala ezisisiseko juxtaposed nemibala ukuba zincedise ngongoma isiseko, iyenza emhlophe. umbala olongezelelweyo - yinto ithambeka akhiwa sum of eminye imibala ezisisiseko. Ihlaba yellow, magenta, kwaye umbala oluhlaza imibala edibanayo.

Loo indlela umfanekiso amanqaku encoding isetyenziswa baprintayo. kuyo apha kuphela samkelwe ukuba kusetyenziswe umbala yesine - omnyama. Ngenxa yesi sizathu, inkqubo ukuguqulwa yoshicilelo olufinyeziweyo njengoko CMYK. Le nkqubo usebenzisa imifanekiso ukumela abantu abangamashumi amathathu anesibini ziintanda.

Iindlela encoding kunye nolwazi zokucazulula bacinga ukusetyenziswa kobuchule ezahlukeneyo, ngokuxhomekeke kuhlobo lwe data. Umzekelo, igrafiki umfanekiso encryption indlela codes yokubini njengokom ekuthiwa Umbala High. Le iteknoloji kwenza kube lula lokutshintshela ikhusi kangangoko amabini, anamanci mahlanu amathandathu imibala. Ukunciphisa inani ziikhowudi yokusebenza izakusebenziswa ukufihla iingongoma graphic, uya kunciphisa ngokuzenzekelayo umthamo efunekayo ukuze yokugcina ulwazi okwethutyana. idatha efana esephepheni ndlela kuthiwa i index.

Esephepheni of ulwazi lwesandi

Ngoku ukuba ukuba siqukumbele yintoni encoding kunye ukucazulula, yaye iindlela ezisisiseko le nkqubo, kuyimfuneko ukuba nihlale kulo mba, njengoko khowudi lwedata evakalayo.

ulwazi Audio angamelwa ngokohlobo iiyunithi cebetshu omi phakathi isibini ngasinye kubo. uphawu nganye iguqulelwa kwaye ligcinwa kwinkumbulo yekhomputha. Umsindo imveliso nge i icons kunqakrazo, leyo isebenzisa idatha egcinwe kwinkumbulo le PC zombhalo idityaniswe.

Ngokubhekiselele intetho yabantu, kuba nzima encode ngakumbi, ngenxa yokuba lineentsingiselo ezahlukeneyo ezahlukeneyo, kunye nekhompyutha kuyimfuneko ukuthelekisa Ibinzana ngamnye umgangatho, pre-basakulungele kwinkumbulo yakhe. Recognition kuya kwenzeka kuphela xa ilizwi elithethwe ifumaneka kwisichazi-magama.

esephepheni Ingcaciso kwikhowudi yokubini

Kukho iindlela ezahlukeneyo ukuphunyezwa kwale nkqubo njengoko amanani ujiko, umhlabi kunye nolwazi lomzobo. abawacazululayo i data ngokuqhelekileyo kwenzeka kwi ubuchwepheshe umva.

Xa usebenzisa ikhowudi amanani, nokuba kuthathelwa ingqalelo injongo apho inani iye wangena kule nkqubo: ngokuba izibalo arithmetic, okanye nje ukubonisa. Yonke idatha ukuyifunda yokubini, kwi khowudi usebenzisa abo kunye amaqanda. Ezi abalinganiswa ngokuba ziintanda. Le ndlela khowudi yeyona ethandwa, kuba lula ukuba amalungiselelo ngokwemigaqo zobugcisa: ubukho uphawu - 1, No - 0. ngemfihlo yokubini ethile enye kuphela - oko ke ubude indibanisela imifuziselo. Noko ke, ukususela kwindawo yezobugcisa umbono kulula ukuba asebenzise i imfumba elula, amacandelo efanayo ngaphezu inani elincinane nzima ngakumbi.

Izinto eziluncedo ze encoding efana neyesicaka binary

• Olu hlobo ntetho efanelekileyo iintlobo zalo ezahlukahlukeneyo.
• Xa ukuthumela idatha ngaphandle naziphi na iimpazamo.
• i PC lula ukusingatha data ekwi khowudi ngale ndlela.
• Wayefuna isixhobo kunye uthi ezimbini.

Le lobubi encoding lokubini

• Ubude elide ikhowudi, nto leyo ithintela processing.
• Ukuntsonkotha yoluvo abantu lwendibaniso yokubini ngaphandle zemfundo ezizodwa okanye uqeqesho.

isiphelo

Ukufunda eli nqaku, ungakwazi ukufumana oko encoding kunye ukucazulula, yaye usetyenziswa apho. Oku kunokwenziwa isigqibo sokuba iindlela ukuguqulwa data esetyenziswa zixhomekeke ngokupheleleyo kuhlobo lolwazi. Oku okubhaliweyo kuphela kodwa amanani, imifanekiso kunye nesandi.

Esephepheni ulwazi ezahlukeneyo kuvumela ukwenza ukudibanisa ndlela kubonelelwa, oko kukuthi, ukuba ukwenza uhlobo olufanayo, leyo ibalekisa kakhulu idatha processing kunye esizisebenzelayo ukusetyenziswa kamva.

Xa iikhompyutha elektroniki badla ukusebenzisa imigaqo enkhowudingi standard yokubini, nto leyo ifom eyintsusa ka-ntetho siguqule ngendlela elula ngakumbi ukugcinwa kunye kuqhutywe. Xa ekufundeni kuzo zonke iinkqubo ezenzekayo ngendlela reverse.