miércoles, septiembre 04, 2013

sep
04

The historie of communication

The historie of communication



It dates back to prehistory, with significant changes in communication technologies


Symbols were marks, sings or pictures that had a special meaning. The Egyptians used symbols.


Writing


The oldest-known forms of writing were primarily logographic in nature, based on pictographic and ideographic elements. Most writing systems can be broadly divided into three categories: logographic, syllabic and alphabetic