communication

Communication in the form of spoken or written words.

Speech is the expression of or the ability to express thoughts & feelings by articulate sounds .

Something that represents or stands for something else .

Around 30,000 BC murals were painted on cave walls that told stories of battles , hunts , & cultuire .

Around 10,000 BC images were created by removing part of a rock surface by incising , pecking , carving , & abrading.

9,000 BC saw the develpoment of pictures that represent an object or an idea.

A written character that symbolizes the idea of a thing without indicating the sounds used to say it , e.g., numerals & Chinese characters .

a sequence of letters, words, or symbols marked on paper or other surface . 2700 BC .

a set of letters or symbols in a fixed order .1700 BC .

Johann Gutenburg invented an actual printing press in 1450 .

In 1714 an Englishman, Henry Mill, received the first patent for a typewriter .

1831 Joseph Henry invents the first electric telegraph.

Alexander Graham Bell invented the telephone in Boston in 1876.

1951, The first commercially available, “mass produced” electronic computer entered the market .

In 1973 a global computer network emerged, providing a variety of information and communication facilities .