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The Bynar master computer was a sophisticated computer on planet Bynaus with which virtually all Bynar were interconnected.

The Bynar master computer became an integral part of Bynar society, influencing their language and even their thought patterns. The coexistence also brought dependence, as a disruption in the computer's operation physically affected the Bynars.

In 2364, the computer and all equipment on the planet were rendered entirely inactive due to a large electromagnetic pulse from a supernova. Through an elaborate plan to keep the computer's files intact, the Bynars stole a Federation starship, the USS Enterprise-D, to temporarily house all of the files while the pulse passed. They also kidnapped William T. Riker and Jean-Luc Picard in the hope that they would restore the files to the computer once they became unconscious. (TNG: "11001001")