![]() ![]() This is very popular especially because it helps save time. Social Media sign-in: Determines if you are a robot or human using your social record. Word Problems like retyping letters into a box or typing the last word from a list of words Maths Problem: Users are asked a simple maths problem like “4+6” ![]() What are the different types of CAPTCHAs? ![]() Take for example the distorted word CAPTCHA type which shows an image of distorted words which the user is expected to retype. The goal of CAPTCHA is to pose a question or task which is impossible for the computer to complete while also being easy for humans. It’s widely used by internet companies to protect themselves from hacks and spam by bots. It is a type of challenge-response test used in computing to determine whether the user is human. Isn’t it funny how you have to prove to a computer that you aren’t a robot each time you make a new account on the internet but have you ever wondered why we actually do this, and what actually goes on in the background?ĬAPTCHA stands for Completely Automated Public Turing Test to Tell Computers and Humans Apart. ![]()
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