Professional Communications Communication History Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission. Trade & Industrial Education

What is Communication? Communication Verbal communication The process of creating and exchanging meaning through symbolic interaction. Verbal communication Communication in the form of spoken or written words. Nonverbal communication Communication in the form of gestures, eye contact, or tone of voice. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Non Verbal: Sound Drums were one way to send signals to neighboring tribes and groups. Different drumming patterns would tell them of concerns and events they needed to know. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Non Verbal: Smoke Signals Smoke signals were another way to send messages to people who were not close enough to use words.  Milk Home Bring Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Verbal Storytelling Before the written word, storytelling was a way for families and communities to pass on information. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Communication History Timeline Speech Cave Drawings Petroglyphs Pictograms Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Speech Speech is the expression of, or the ability to express thoughts and feelings by articulate sounds. Human communication was revolutionized by speech. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Symbols Symbol - Something that represents or stands for something else The imperfection of speech resulted in the creation of new forms of communication, improving both the range at which people could communicate and the longevity of the information. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Cave Drawings Around 30,000 BC murals were painted on cave walls that told stories of battles, hunts, and culture. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Petroglyphs Around 10,000 BC images were created by removing part of a rock surface by incising, pecking, carving, and abrading. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Pictograms 9,000 BC saw the development of pictures that represent an object or an idea. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Ideogram A written character that symbolizes the idea of a thing without indicating the sounds used to say it, e.g., numerals and Chinese characters. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Writing a sequence of letters, words, or symbols marked on paper or other surface appeared around 2700 BC Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Alphabet 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 Z 1700 BC Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

The Printing Press Johann Gutenburg invented an actual printing press in 1450 Gutenburg was the first to use a press to print the Bible, the oldest full length volume printed. From Gutenburg's press in Mainz, Germany, printing spread all over Europe.   Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Typewriter In 1714 an Englishman, Henry Mill, received the first patent for a typewriter. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Telegraph 1831 Joseph Henry invents the first electric telegraph. 1832 Samuel Morse invents Morse Code. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Telephone Alexander Graham Bell invented the telephone in Boston in 1876. One hundred twenty years later there are over 360 million telephone numbers, and that figure grows each year. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Computer 1951, The first commercially available, “mass produced” electronic computer entered the market The computer was manufactured in the United States. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Online Sources In 1973 a global computer network emerged, providing a variety of information and communication facilities. These interconnected networks use standardized communication protocols. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.

Emails Short for “electronic mail,” email is a means of sending messages online. Email also allows you to send files as attachments to email messages. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission. Trade & Industrial Education

Online calling 2003 - Software that allows you to call people on their computers or phones. Copyright © Texas Education Agency, 2012. All rights reserved. Images and other multimedia content used with permission.