Evolution of Communication Technology PDF

10/28/2024 The Evolution of Communication Technology Ms Roberta Portelli 1 Early Communication Methods Prehistoric humans used simple methods to communicate Pictograms were used to tell stories (l...

10/28/2024 The Evolution of Communication Technology Ms Roberta Portelli 1 Early Communication Methods Prehistoric humans used simple methods to communicate Pictograms were used to tell stories (like in pyramids) Ancient Greeks created the first extensive alphabet How do you think people communicated before writing was invented? Ms Roberta Portelli 2 1  10/28/2024 The Printing Revolution Johann Gutenberg invented the printing press in 1448 Combined ink, paper, and movable type Allowed for mass production of books, especially Bibles How do you think the printing press changed society? Ms Roberta Portelli 3 The Typewriter Era Typewriters were developed in the 1700s William Austin Burt patented an early version in 1829 Made writing faster and more standardized Have you ever seen or used a typewriter? Ms Roberta Portelli 4 2  10/28/2024 Long-Distance Communication Samuel Morse invented the telegraph and Morse code Alexander Graham Bell created the telephone in the 1870s These inventions made long- distance communication possible Ms Roberta Portelli 5 Wireless Communication Nikola Tesla and Guglielmo Marconi competed to invent radio Marconi won the Nobel Prize for his work Radio allowed for wireless transmission of sound Ms Roberta Portelli 6 3  10/28/2024 The Television Age Television became popular in the 1950s First TVs were black and white Brought visual entertainment into people's homes Ms Roberta Portelli 7 Telephone Advancements Corning developed fiber optic cables in the 1960s First cell phones appeared in the 1980s These inventions made phone calls faster and more mobile Ms Roberta Portelli 8 4  10/28/2024 The Computer Revolution Computers use silicon chips to process information Personal computers became available in the early 1980s Changed how people work and communicate Ms Roberta Portelli 9 The Internet The internet became available to the public in the 1990s Age Made email and web browsing possible Revolutionized how we access and share information Ms Roberta Portelli 10 5  10/28/2024 Mobile Technology Today 3G and 4G technology allow for mobile internet Smartphones and tablets let us communicate from anywhere We can now access information instantly How do you think communication technology will change in the future? Ms Roberta Portelli 11 6