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Computers vs Humans: The Important Differences
 

Computers vs Humans: The Important Differences

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    Computers vs Humans: The Important Differences Computers vs Humans: The Important Differences Presentation Transcript

    • Computers vs Humans
      The Important Differences
      James King
      James Marshall
      Yongmi Ma
      Andreas Lefkatis
      Brittany Christopher
      Andreas Andreou
    • Energy Supply
      Computers rely on electricity
      Brains take multiple sources (water, oxygen etc)
      Water
      Computer
      Brain
      Electricity
      Electricity
      Carbon Dioxide
      Oxygen
    • Analogue vs Digital
      The brain uses chemicals & electricity
      Computers only use electricity
      Signals faster in Computer
      Neurons can emit ranges of values
      Computers either on or off; data storage too
      Brain
      Computer
    • Memory
      Brain has seemingly unlimited memory
      Computers have finite memory
      Computers have exact memory addresses
      Brains uses content-addressable memory
      Large Dynamic Store
      Memory 1
      Memory 2
      Memory 3
      Brain
      Computer
    • Maintenance
      Computers are easy to fix – get new parts
      Brains cannot be given transplants (yet)
      To this end, Computers are modular
      Computers can be backed up
      Computer
      Brain
      RAM
      CPU
      ???
      ???
      GPU
      ???
      Etc.
      ???
    • Learning
      Brain has the capacity to learn new things
      Computers must be explicitly programmed
      Brains learn through experience
      Computers “learn” through limited scope of experience
      Brains learn easier & faster
      Computers must be told in extreme detail
      Experience
      Human
      Experience
      Computer
      Brain
    • Multitasking
      Computers can multitask to a limited degree
      Brains also have limited high level multitasking
      Computers sometimes “fake” multitasking
      Brains automate life functions (breathing etc)
      Eg: Try counting backwards, and multiplying two numbers at the same time
      Computers can do the above task with ease, humans can’t
      Brain
      Computer
      CPU 1
      Task 1
      Task 1
      Task 2
      Task 3
      Task N
      CPU 2
      Task 2
    • Games
      AI tends to use finite state machines to decide on its actions (giving the impression of intelligence not actual intelligence)
      Humans use many methods that are difficult for computers to emulate e.g. common sense
      AI in commercial games designed to be beaten (eventually)
    • StarCraft
      Real time strategy game
      Requires AI to
      Multitask in real time
      Interact with their own units and the battlefield
      Deal with uncertainty
      Implement sophisticated strategies
    • Advantages of a strategy Game
      AI advantage
      Interact with the game world faster
      Multitask far better (for a limited scope)
      Can be “trained” quickly and on advanced level games
      Human advantage
      Strategy
      Common sense
      Working with partial or missing information
    • Emotions
      Computers are good at computations & logic
      Brains are good at reasoning & creativity
      Brains are capable of emotions via chemicals
      Computers are therefore unable (so far)
      A brain’s intelligence is unpredictable
      Humans learn by procedural experience
      Humans have the ability to transfer knowledge to new situations
      Computers can only do what they are programmed to do
      Humans can make thoughts and conclusions
      Computers need to be updated by humans
      Computer
      Brain
      Logical
      Creativity
      Maths
      Originality
      Random
      Perceived Emotions
      Emotions
    • Scientific Study
      Both are studied extensively
      Brains have evolved over millions of years
      Computers have been created in the past 70
      Computers have finite and exact components
      Brains are a single unit, with analogue systems
      The size of the brain has stayed the same
      Computers are always decreasing in size
    • Bibliography
      http://faculty.washington.edu/chudler/bvc.html
      http://www.differencebetween.net/science/difference-between-human-and-computer/
      http://scienceblogs.com/developingintelligence/2007/03/why_the_brain_is_not_like_a_co.php
      http://answers.yahoo.com/question/index?qid=20090515060922AA9cXyU
      http://www.transhumanist.com/volume1/moravec.htm