Txhawm rau tiv thaiv lub xaib los ntawm kev siv ntau lub ntawv sau npe siv cov txheej txheem robotic, yog li cov khoom siv sib txeeb. Lawv yog cov duab ntawm tus lej alphanumeric, nthuav tawm hauv txoj hauv kev uas nws tsis yooj yim rau lub khoos phis tawm kom paub lawv, tab sis rau tus neeg yooj yim.
Cov Lus Qhia
Kauj ruam 1
Nyeem ntxiv ntawm captcha kev txiav txim dab tsi los ntawm koj. Piv txwv li, nkag mus rau ib ntawm cov lus (thiab ib qho twg), sau ob kab lus, sau tus lej, daws qhov piv txwv lej yooj yim thiab taw qhia qhov tshwm sim, qhia seb qhov twg yog qhia hauv daim duab, nyeem lo lus nug thiab ntaus nqe lus teb rau nws Cov. Thaum sau npe rau cov rooj sab laj npaj rau kev sib txuas lus ntawm cov neeg sawv cev ntawm qee yam kev tshaj lij lossis kev nyiam ua haujlwm, koj yuav tsum tau teb cov lus nug tshwj xeeb, piv txwv li, dab tsi yog lub npe ntawm cov ntsia hlau ntswj txuas, uas screws siv rau cov ntsia hlau rau hauv - me ntsis.
Kauj ruam 2
Sau koj cov lus teb rau hauv daim teb. Thov nco ntsoov tias cov lus teb siv tau cov ntaub ntawv yuav yog cov teeb meem. Yog tias nws tsis muaj peev xwm nyeem qee cov cim (piv txwv li, koj tsis tuaj yeem paub qhov txawv ntawm qhov zoo nkauj los ntawm xya, lossis tsab ntawv b los ntawm p), nias lub pob nyob ib sab ntawm captcha, uas pom ob daim duab xub ua lub voj voog. Qee tus captchas tseem muaj khawm nrog lub cim qhia lus. Thaum Flash Player raug teeb tsa, nyem nws yuav ua rau cov ntawv nyeem yuav tsum siv cov lus synthesizer hais lus.
Kauj ruam 3
Yog hais tias daim teb tsis muaj muab, tab sis muaj ib daim ntawv rau xaiv los ntawm ntau txoj kev xaiv, xaiv qhov uas raug rau cov lus teb kom raug rau cov lus nug nug. Tom qab sau daim teb lossis xaiv ib qho kev xaiv, nyem lub pob tsuas npaj rau kev sau npe (nws lub npe muaj tseeb yog nyob ntawm hom kev tswj hwm cov ntsiab lus - CMS). Tom qab ntawd, tos rau qhov txuas mus qhib koj tus lej hauv lub npov xa ntawv thiab ua raws nws.
Kauj ruam 4
Qee zaum, es tsis txhob nkag rau qhov captcha, koj yuav tsum qhia tus lej xov tooj ntawm tes, tau txais ib tsab xov xwm nkag, thiab tom qab ntawd sau tus lej tau txais hauv nws. Hauv qhov no, yuav tau ceev faj, vim tias tom qab nkag mus rau cov lej zoo li no, koj yuav cia li txuas ncaj qha rau kev ua npe nkag rau kev pabcuam uas them nyiaj. Tej zaum ib qho ntawm ob peb cov kev pabcuam qhov twg kev dag ntxias no kom tsis txhob ntshai thaum sau npe yog Gmail.
