Kodi captcha? Pafupifupi kuyambira pomwe intaneti, ogwiritsa ntchito akukumana ndi zinthu monga captcha kapena CAPTCHA. Komabe, si aliyense amene amadziwa kuti ndi chiyani komanso chifukwa chake imafunikira.
Munkhaniyi, tiwona zomwe captcha amatanthauza komanso udindo wake.
Kodi captcha amatanthauzanji
Captcha ndimayeso apakompyuta mwa mawonekedwe amitundu yofananira yomwe imagwiritsidwa ntchito kudziwa ngati wogwiritsa ntchito ndi munthu kapena kompyuta.
Mwachitsanzo, mungafunsidwe kuti mulowetse zilembo zomwe zikuwonetsedwa pachithunzi choyandikira. Nthawi ina, munthu amafunika kuchita masamu osavuta kapena kusankha zithunzi zomwe akufuna ndi mbalame.
Puzzles onse pamwambapa amatchedwa CAPTCHA.
M'mawu osavuta, mawu oti captcha ndi chilankhulo chaku Russia pachidule cha Chingerezi "CAPTCHA", chomwe chimatanthauza kuyesa kwapadera kusiyanitsa ogwiritsa ntchito ndi makompyuta (maloboti).
Captcha ndi chitetezo ku sipamu yodziwikiratu
Captcha amathandiza kuteteza ku mauthenga a spam, kulembetsa anthu ambiri pa intaneti, kubera masamba awebusayiti, ndi zina zambiri.
Monga lamulo, rebus yoperekedwa ndi CAPTCHA ikhoza kuthetsedwa ndi munthu aliyense popanda vuto lililonse, pomwe ntchitoyi ndiyosatheka pakompyuta.
Nthawi zambiri, zilembo kapena digito captcha imagwiritsidwa ntchito, pomwe zolembedwazo zimawonetsedwa ndikusokonekera komanso kusokonezedwa. Kulowererapo kotere nthawi zambiri kumakwiyitsa ogwiritsa ntchito, koma kumathandiza kuteteza mosamala zinthu zapaintaneti kuti zisawonongeke.
Popeza kuti nthawi zina munthu samatha kuwerenga captcha, wogwiritsa ntchito amatha kuyisintha, chifukwa chake mawonekedwe azizindikiro adzawoneka pachithunzicho.
Masiku ano, zomwe zimatchedwa "reCAPTCHA" nthawi zambiri zimakumana nazo, pomwe wogwiritsa ntchito amangofunika kuyika "mbalame" m'munda woyikidwayo, m'malo molemba zilembo ndi manambala.
