Combining logic gates together in certain ways can create systems that can begin to do more useful tasks. Some examples of subsystems include:

  • memory cells that can write, store, and read binary bits
  • adders that interpret binary signals as numbers and do math
  • complex descision-making machines that approach artificial intelligence
  • giant arbitrary messes that confuse people

Putting these subsystems together creates what we know as a computer. On the most fundamental level, all digital computers are just logic gates, and follow simple rules.



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