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One item of technology we can't live without: electronics, especially mobile phones and computers. Essential in every population and independent for culture and history. Facility for connecting people from a long distance. Use of mobile phones for work and study at home. Curiosity magnific for work and study at home Computers are needed in many universities, for example computer engineering. how hard it was live without a smartphone to communicate who lived in other cities when she was a kid because she didn’t live here but in the interior of Amazonas just rich families have residential telephones at this moment. FUNCTIONS .Computers data works as of minors eletrict’s circuits with electrical involved for processor and HD memory. Smartphones have a system that allows you to read emails, write texts and access the internet. A lot of functions that used to require a computer but are no longer necessary. ACESSIBILITY 01 02 03 04 facilitating communication, increasing efficiency, providing instant access to information, and offering various forms of entertainment dependence and addiction and health impact making it instant and global libraries, newspapers, and encyclopedias to learn and stay informed EVOLUTION OF TECHNOLOGY