This is the video of working action of CAPTCHA. https://youtu.be/uHRIuTaUmVQ subscribe to SK Academy https://m.youtube.com/channel/UCtn1iw4teU9BndNPNlWpw6A Basically if you dealt with form submissions and Gmail account registration etc., you will aware about the term CAPTCHA. It's a great tool to distinguish the responses fed by the machine or human. I tried to cover as more things as possible so that it make more interactive and informative.. You can also watch: 👉Android features https://www.youtube.com/playlist?list=PLTv1okmp1xRl7xyCSwO8nnVZ8ZBAkm7u0 👉why mobile phone gets too hot while we talking? https://youtu.be/IfvfR_VVgTk 👉 common misconceptions inMathematics https://youtu.be/DmRG3K4MaLw 👉Sk Academy https://m.youtube.com/channel/UCtn1iw4teU9BndNPNlWpw6A Thank you for being with me...