Gadgets360 With TG: What is a CAPTCHA and How Does it Work?

Do you know what a CAPTCHA is? Even if you don't know what they're called, you must definitely have encountered one of these while browsing the Internet. Why do websites show us CAPTCHAs and how do they work? Here's everything you need to know about these puzzles on this week's episode of Gadgets360 with Technical Guruji.

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