You must have seen many times that whenever you create an ID on a website, log in or get a password, you will encounter a captcha. Where you need to fill in the box below to see the number or levels of the given image or select the image according to the question asked. You must have thought many times What is Captcha entry. What is the function of captcha and many other questions will come to your mind. Today you will get all the information related to captcha through this article.
Captcha is a verification process that requires the user to enter a pre-defined code. Kaptach is a fully automated public Turing test for identifying computers and people Captcha provides a question or code that is easy to solve for humans but difficult for robots.
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This article goes into detail about what a captcha is, why it is used, how many types it has, and how to solve a captcha. If you do not know about captcha, then this information may prove to be important for you.
What is captcha?
The full form of capture is a fully automated public touring test excluding computers and humans. Captcha is also called captcha code. The work of both is the same.
Captcha is a device that works on security systems. With its help, it is possible to find through a computer program whether the person giving the input is a human or a device.
Captcha helps a lot in protecting your website and applications from malware and spammers. For example, when you sing on a website or create an account, you get the Solve Captcha option, after which you can create your account on that website or application.
Not only this, to solve captcha you have to make online payment, you have to book train ticket in IRCTC or captcha file by logging into specific app.
Where is captcha code used?
We told you what captcha code is, now let us know where it is used. Please note that the captcha code is displayed when registering on the website or commenting on a blog or website.
This is because captcha code is a program that only humans can solve, not a machine. This code is used to perform this test.
How does captcha work?
When you login to a song or website or application, some pictures appear in front of you. Some names are written on these images and you have to click on some related images to be associated with the same name. During this time, if you choose the right image, you can sing or login to your website or application.
Kaptach is not only shown in the pictures. Apart from the pictures you need to write some correct arrows, letters, arithmetic, calculations and write them correctly. Most of the time, you are given half-and-half letters and many of them to solve.
You may encounter different captcha codes at times. These codes are created separately for each website. We are going to tell you about different types of captcha codes so that whenever you solve the captcha code from now on, you will know what kind of captcha code you are solving.
- Text recognition basis
This type of captcha is a puzzle and these are the text bases that the user has to identify the text to solve and in captcha you have to solve the captcha by writing the alphabet. After which you can access that website.
- Image recognition based
Captcha codes based on the picture show some similar images with their names. In which you have to find and select the image related to the given name, you will find an entry on the website.
- Audio recognition based
In this type of captcha you will hear audio. You have to type that audio and fill in the box.
- Mathematical Solution Captcha
When you login to a website, you are often asked to fill out a Maths Solving Captcha. In this captcha you have to solve some numbers in front of you. Such as adding or subtracting numbers.
- 3D Captcha
In some captcha you see 3D pictures, so you have to identify the alphabet or number and write them down.
With this type of captcha, you can solve it with some advertisements on your screen. You will see an advertisement or a brand man on the screen and you will need to identify and fill it.
These were some of the captures that you might have solved somewhere. But users don’t waste too much time solving all this, so Google has introduced a captcha, so you don’t have to write anything, you don’t need to be identified.
Actually, in 2009 Google bought the company making Repchacha and after making some changes in it launched No Captcha Recipe.