Watson works on cognition theory. It has same concept of learning like we humans have, Observing, Interpreting, Evaluating and then deciding what to react or response.Watson is composed of a cluster of ninety IBM Power 750 servers, each of which uses a 3.5 GHz POWER7 eight core processor, with four threads per core. In total, the system has 2,880 POWER7 processor threads and has 16 terabytes of RAM. Created by IBM
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