1. Professional Communications
Communication History
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Trade & Industrial Education

2. 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.
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3. 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.
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4. 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
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5. Verbal Storytelling
Before the written word, storytelling was a way for families and communities to pass on information.
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6. Communication History
Timeline
Speech
Cave Drawings
Petroglyphs
Pictograms
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7. Speech
Speech is the expression of, or the ability to express thoughts and feelings by articulate sounds. Human communication was revolutionized by speech.
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8. 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.
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9. Cave Drawings
Around 30,000 BC murals were painted on cave walls that told stories of battles, hunts, and culture.
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10. Petroglyphs
Around 10,000 BC images were created by removing part of a rock surface by incising, pecking, carving, and abrading.
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11. Pictograms
9,000 BC saw the development of pictures that represent an object or an idea.
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12. 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.
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13. Writing
a sequence of letters, words, or symbols marked on paper or other surface
appeared around 2700 BC
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14. 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
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15. 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.  
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16. Typewriter
In 1714 an Englishman, Henry Mill, received the first patent for a typewriter.
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17. Telegraph 1831 Joseph Henry invents the first electric telegraph.
1832 Samuel Morse invents Morse Code.
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18. Telephone
Alexander Graham Bell invented the telephone in Boston in One hundred twenty years later there are over 360 million telephone numbers, and that figure grows each year.
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19. Computer
1951, The first commercially available, “mass produced” electronic computer entered the market
The computer was manufactured in the United States.
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20. Online Sources
In 1973 a global computer network emerged, providing a variety of information and communication facilities. These interconnected networks use standardized communication protocols.
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21. s
Short for “electronic mail,” is a means of sending messages online. also allows you to send files as attachments to messages.
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Trade & Industrial Education

22. Online calling
Software that allows you to call people on their computers or phones.
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