2.4 Computational Logic.

2.4 Computational Logic.

1. Binary

   • Truth tables
   • 0 or 1

2. A \/ B

   • A /\ B
     • ¬ A \/ B

3. Number of rows = 2 number of inputs

4. Optical disks / magnetic

   • Hard disks / magnetism
     • Solid state memory / stored with trapped OR free electrons

5. NOT

   • OR
     • AND

6. Why Computers use binary to store data

   • easy to manufacture
     • Reliable
       • Cheap

7. SSD