communication

Communication in the form of spoken or written words.

Speech is the expression of, or the ability to express thoughts and feelings by articuate 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, and culture.

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

9,000 BC saw the developement 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 and chinise characters.

A sequence of letters, words, or symbols marked on paper or other surface. It appeared around2700 BC.

A set of letters or symbols in a fixed order, it appeared around 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.