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A CAPTCHA is a little test a website gives you to check that you are a person, not a computer program pretending to be one. The old kind showed twisted letters and asked you to type what you saw. Newer ones ask you to tick a box (“I am not a robot”) or click pictures — all the traffic lights, all the buses.
A CAPTCHAcaptcha is a little test是一個小測試 a website gives you網站會給你做的 to check that you are a person用來確認你是真人 not a computer program pretending to be one而不是假裝是人的電腦程式。The old kind舊式的 showed twisted letters會顯示扭曲的字母 and而 asked you to type what you saw要你打出你看到的字。Newer ones新式的 ask you to tick a box會要你勾選一個框 ("I am not a robot")（「我不是機器人」） or者或 click pictures點選圖片 all the traffic lights像所有的紅綠燈 all the buses所有的公車
The name was made up in 2000 by researchers at Carnegie Mellon University. It is a loose short form of “completely public Turing test to tell computers and humans apart.” A Turing test asks whether a machine can seem human.
The name這個名字 was made up是造出來的 in 2000在2000年 by researchers at Carnegie Mellon University由卡內基美隆大學的研究人員。It它 is a loose short form是個不太嚴謹的縮寫 of "completely automated public Turing test to tell computers and humans apart."來自「completely automated public Turing test to tell computers and humans apart」（完全自動化的公開圖靈測試，用來分辨電腦和人類） A Turing test圖靈測試 asks whether a machine can seem human問的是一台機器能不能表現得像人
Though actually, many CAPTCHAs now watch how you move the mouse, so you may pass one without noticing. People say the letters or treat it like a word: “CAP-cha.” It is a computer-world word.
Though actually不過事實上 many CAPTCHAs很多CAPTCHA now也會 watch how you move the mouse觀察你滑鼠移動的方式 so所以 you你 may pass one可能通過測試 without noticing卻完全沒發現。People人們 say the letters會把字母唸出來 or或者 treat it like a word把它當成一個字來唸 "CAP-cha."「CAP-cha」 It它 is a computer-world word是個電腦世界的用字
組成A made-up short form (a loose acronym) of “completely automated public Turing test to tell computers and humans apart,” coined in 2000.
同家族的字
- reCAPTCHAa later test built on the same idea; the name keeps CAPTCHA inside it
原始詞典資料3 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
CAPTCHAnoun/ˈkæp.t͡ʃə/
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computingengineeringmathematicsA computerized test requiring the human user to perform a task deemed to be difficult to automate, such as entering a displayed series of distorted characters or describing images, to demonstrate that they are a human and not a computer program.
- CAPTCHA puzzles are intended to be easy for a human to solve but difficult for a computer. Because of the monetary value to spammers of circumventing these controls, an arms race has occurred in which typical CAPTCHA puzzles have […]
- A CAPTCHA is a quick check to make sure that an actual person, rather than a computer program, is using the website. Web applications use CAPTCHA […]
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。