[Solved]: What are some problems which are easily solved by human brain but which would take more time computers?

Problem Detail: 

Are there any problems which can be solved by human brain in a very less time but a computer may take a lot of time or a computer could never solve it ?

Asked By : avi

Answered By : vzn

The now standard simple example of this is CAPTCHAs which stands for "Completely Automated Public Turing test to tell Computers and Humans Apart" which was intentionally devised in the theoretical community partly to detect and deflect automated spammers. However, the technology can be subverted somewhat by some systems such as mechanical turk. The term "CAPTCHA" was coined in 2000 by Luis von Ahn, Manuel Blum, Nicholas J. Hopper, and John Langford (all of Carnegie Mellon University). CAPTCHAs have gotten increasingly visually complex over the years as computer algorithms for character recognition have improved, in other words its evolving and something of a red queen race, i.e. evolutionary "arms race".

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Question Source : http://cs.stackexchange.com/questions/9911