2.4 Computational Logic

2.4 Computational Logic

1. Binary

   • 0,1
   • cheaper, easier to manufacturer and more reliable
   • Used to store data
     • In BITS
     • Hard Disks
       • Optical Disks
         • RAM
           • Uses charged or uncharged capacitors
         • Reflects Light
       • Magnetism
   • Contains no letters

2. Logic Gates

   • And
     • AND = ^
       • Needs both inputs to be true for the output to be true
   • Or
     • OR = V
       • Needs only 1/2 of inputs to be true for the output to be true
   • Not
     • NOT = ¬
       • Reverse of input

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