domingo, 5 de febrero de 2017

Premechanical age

Definition of information technology.: the technology involving the development, maintenance, and use of computer systems, software, and networks for the processing and distribution of data. (Merriam Webster)
     Premechanical age (3000 B.C. - 1450 A.D.)
       1.   Writing
           Petroglyphs and pictographs
           Ideographs (symbols that represent ideas and concepts)
           Sumerian cuneiform script
           Phoenician alphabet
      2. Paper
      2600 B.C. → The egyptians wrote on Papyrus
            100 A.D. → The Chinese made paper from rags
      3.   Books and libraries
   4. First numeric system: Around 100 A.D.
               The first 1-9 system was invented in India


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