communication history

The sharing of information between individuals by using speech.

the expression of or the ability to express thoughts and feelings by articulate sounds.

a thing that represents or stands for something else, especially a material object representing something abstract.

the art of Paleolithic man represented by drawings and paintings on the walls of caves

a rock carving, especially a prehistoric one.

a pictorial symbol for a word or phrase. Pictographs were used as the earliest known form of writing, examples having been discovered in Egy

a written character symbolizing the idea of a thing without indicating the sounds used to say it, e.g., numerals and Chinese characters.

he activity or skill of marking coherent words on paper and composing text.

a set of letters or symbols in a fixed order, used to represent the basic sounds of a language; in particular, the set of letters from A to

the production of books, newspapers, or other printed material.

an electric, electronic, or manual machine with keys for producing printlike characters one at a time on paper inserted around a roller.

a message sent by telegraph and then delivered in written or printed form.

a system that converts acoustic vibrations to electrical signals in order to transmit sound, typically voices, over a distance using wire or

Also called processor. an electronic device designed to accept data, perform prescribed mathematical and logical operations at high speed, a

controlled by or connected to another computer or to a network.