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listEn to A pArt oF A lECturE in A ComputEr ClAss.

whAt is thE tAlk mAinly ABoutA．whAt ComputEr virusEs ArE AnD how to Fight AgAinst thEm.
B．thE history oF ComputEr virusEs AnD how to mAkE thEm.
C．thE nEgAtivE EFFECts Brought By ComputEr sCiEnCE.
D．how ComputEr virusEs work AnD how thEy ArE DEvElopED、