Civil Services APPSC Group I Services Prelims Mock Test Series 2025 Current Affairs Science and Technology
Consider the following statements regarding CAPTCHA (Completely Automated Public Turing test to tell Computers and Humans Apart):
1. The earliest CAPTCHAs were based on distorted images of text to prevent bots from accessing websites.
2. reCAPTCHA helped in the digitisation of books by using words that machines couldn’t read.
3.‘Invisible reCAPTCHA,’ introduced by Google in 2014, used user interactions like mouse movement to detect humans.
How many of the above statements are correct?
1
Only one
2
Only two
3
All three
4
None