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Period: 1442 to
the first generation
• The computers use vacium tubes • Were so expensive, so big and use so much energy -
Period: to
the second generation
• Use transitors • Were smaller, cheapper and fastest than the computers of the firts generation. -
Period: to
the third generation
• use integrated circuits • were fastets, cheapper and smaller than the second generation -
Period: to
the forth generation
• use microprocesser • are smaller, portable and chepper than the computers of the third generation • Use less heat and few electricity -
Period: to
the fiveth generation (the future)
• Artificial intelellent