File:Gimpy-r_CAPTCHA.jpg · Wikimedia Commons · See Wikimedia Commons
Also known as Completely Automated Public Turing test to tell Computers and Humans Apart, captcha, CAPTCHA (Challenge-response test)
用于区分人类行为和机器行为的测试方式
A CAPTCHA is a test that asks you to prove you're human by completing a task a computer can't easily do, like reading distorted letters or identifying objects in images. Websites use CAPTCHAs to prevent automated programs from accessing accounts or abusing services.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Instance of
- access control
- Official website
- captcha.net
- Image
- Captcha.svg
Show 3 more facts
- Commons category
- Captcha
- inception
- 2000-01-01
- different from
- reCAPTCHA
Sources (2)
via Wikidata · CC0
Article · 中文
全自动区分计算机和人类的图灵测试（英語：Completely Automated Public Turing test to tell Computers and Humans Apart，簡稱CAPTCHA），又称验证码，是一种区分用户是機器或人類的公共全自动程序。在CAPTCHA测试中，作为服务器的计算机会自动生成一个问题由用户来解答。这个问题可以由计算机生成并评判，但是必须只有人类才能解答。由于機器无法解答CAPTCHA的问题，回答出问题的用户即可視為人类。
Abstract from DBpedia / Wikipedia · CC BY-SA