IBM computer gets a buzz on for charity 'Jeopardy!'

"Jeopardy!" champions Ken Jennings (left) and Brad Rutter look on as an IBM computer called "Watson" beats them to the buzzer to answer a question during a practice round of the long-running TV game show in Yorktown Heights, N.Y., on Thursday. (Associated Press)

"Jeopardy!" champions Ken Jennings (left) and Brad Rutter look on as an IBM computer called "Watson" beats them to the buzzer to answer a question during a practice round of the long-running TV game show in Yorktown Heights, N.Y., on Thursday. (Associated Press)

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