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-Yery brge & expensive
- Use vacum tubes (glass bulb & wibe)
- First computer: ENIAC -
- Used transitors.
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- INTEGRATED CIRCUIT (IC): is a small transistor
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they use a microprocesrs, is small silicon chip the computer is smaller, portable and cheaper and they useless electricity
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are the most advance technology, this is called artificial intelligence.
Robots works in this technology