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The Evolution of Communication

Social Studies. The Evolution of Communication. Social Studies. The Evolution of Communication. How do you communicate? The history of communication goes back thousands of years. What has this progress meant to you today?. Social Studies. The Evolution of Communication.

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The Evolution of Communication

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  1. Social Studies The Evolution of Communication

  2. Social Studies The Evolution of Communication • How do you communicate? • The history of communication goes back thousands of years. • What has this progress meant to you today?

  3. Social Studies The Evolution of Communication • Verbal Communication • The most common form of communication. • Spoken communication • Languages and dialects • What dialects are spoken in your area? • In the country?

  4. Social Studies The Evolution of Communication • Written Communication • Symbols, hieroglyphics, and drawings • The Chinese invent paper

  5. Social Studies The Evolution of Communication • Johannes Gutenberg and the Printing Press • Books are now mass produced! • There are many excellent websites and books on the topic of Gutenberg and his printing press including, • Biographies • Printing industry history • Media history

  6. Social Studies Mobile Communications • Postal system • The Pony Express • Railroads and telegraph • Morse Code

  7. Social Studies The Telephone • Alexander G. Bell calls Watson. Progress includes the use of operators to connect calls. • The basic operation of the phone is still the same, changing sound waves to electrical waves, and back again to sound waves. • Have you ever tried talking to someone using two tin cans and a string?

  8. Social Studies The Telephone Lines • Multi-wire Cables • Fiber Optics • Much larger capabilities using light to transmit

  9. Social Studies Wireless Communications • Radio • Cell Phones • Television • Satellite Communications

  10. Social Studies Computers and the Internet • Computers can handle large volumes of information. The computer stores this information by using a digital code. • The Internet is made up of millions of computers connected to each other in a variety of ways.

  11. Social Studies Communication Aboard theUSS Lexington • Morse Code using light • Infrared signals • Hand-held Flag signals

  12. Social Studies A Signalman’s Biggest Challenges • It is very important for a signalman to stay awake, and process messages with speed and accuracy.

  13. Social Studies Yardman Flags • Flag Design • Interpreting flags • Storing the flags

  14. Social Studies Communication on the USS Lexington • Voice tubes • Call signal boxes • Engine order telegraph • Pneumatic tubes

  15. Social Studies Combat Information Center • The communication brain of the ship. The main communication tool of this room is the sound powered phone.

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