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• n  a circuit in a computer that fires only when all of its inputs fire

• AND circuit
• AND gate

News & Articles

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• Keith Gisser: Campbell helps clear the air on Grand Circuit present and future
  Last month, I came down pretty hard on the Grand Circuit and its expansion to include all stake races. But I was so flummoxed by the seemingly poor decision that I did not offer much in the way of what could be better.
  June 26, 2013 - Daily Racing Form