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Saturday, November 30, 2013

CAPTCHA:


Captcha refers to Completely Automated Public Turing Test to differentiate between computers and humans.
# A Captcha Security Code is an image of letters that a person must type in to match the Captcha image they see.
# It is a type of challenge response test used in computing to ensure that the response is not generated by a computer.
# This code was created to stop automated computer spam robots from filling out forms and harvesting email addresses and then sending out spam emails.
# Only a human can type out a code he sees correctly, an automated computer programme cannot....!!!
- Misra Raahul
(Freelancer Writer)

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