Sample
Summaries after sample
, U2: Modern communication U1: Early communication
Postal system: Language, symbols and art:
• Pigeon post was used in the Dark and Middle Ages.
• Communication is the exchange of information.
• Later, mail was carried by people on foot or on horseback.
• Cave paintings were probably the oldest
• The messenger used a relay system.
symbols that humans used to communicate.
• During the 1900s, air mail became the most popular way of sending mail overseas.
•
Radio: Song and dance:
• Early radios couldn’t send sound or speech - “wireless telegraphs”. • Families and communities used song and dance to pass
• Public radio broadcasting started in America around 1920. information, celebrate special events and talk to ancestors.
• You can listen to radio on the airwaves, via satellite TV or on the •
Sample
internet.
Other ways of communicating:
Early typewriters: • Hunters used smoke signals to tell other hunters
• In the 1870s, Sholes and Glibben built a model that M8: where the animals were.
Summaries after sample finally made the typewriter popular.
• The machine could only type in capital letters, and it
had a QWERTY keyboard - still commonly used today.
Communication
through time
• Used drums to beat out a message.
• Navies used coded flags to signal news to other ships.
• Ancient Greeks used mirrors that reflected the sun to
flash coded messages during battles.
•
Telegraph:
Other modern communication:
• A telegraph uses electrical signals to send coded messages over a
wire or radio. • Camera - some of the earliest cameras were as big as a room.
• It was the first kind of electrical telecommunications. • TV - during the first half of the 1900s, televisions became available for people to
• People could send instant messages across continents and oceans. buy in most parts of the world.
• PC - people mostly used early PCs for word processing or typing, storing
information and for playing video games.
Telephone:
• Internet - allows you to send emails, chat to other people, play games, listen to
• Electric telephones were invented in the 1870s. music, watch movies and shop online.
• Alexander Graham Bell invented the telephone. • Cell phone - allow you to access the internet, send emails and take photographs.
•
GR4 SS-HIST T4-M8 Mind Map Study&Master Copyright © www.summariessa.co.za (DO NOT COPY)
Summaries after sample
, U2: Modern communication U1: Early communication
Postal system: Language, symbols and art:
• Pigeon post was used in the Dark and Middle Ages.
• Communication is the exchange of information.
• Later, mail was carried by people on foot or on horseback.
• Cave paintings were probably the oldest
• The messenger used a relay system.
symbols that humans used to communicate.
• During the 1900s, air mail became the most popular way of sending mail overseas.
•
Radio: Song and dance:
• Early radios couldn’t send sound or speech - “wireless telegraphs”. • Families and communities used song and dance to pass
• Public radio broadcasting started in America around 1920. information, celebrate special events and talk to ancestors.
• You can listen to radio on the airwaves, via satellite TV or on the •
Sample
internet.
Other ways of communicating:
Early typewriters: • Hunters used smoke signals to tell other hunters
• In the 1870s, Sholes and Glibben built a model that M8: where the animals were.
Summaries after sample finally made the typewriter popular.
• The machine could only type in capital letters, and it
had a QWERTY keyboard - still commonly used today.
Communication
through time
• Used drums to beat out a message.
• Navies used coded flags to signal news to other ships.
• Ancient Greeks used mirrors that reflected the sun to
flash coded messages during battles.
•
Telegraph:
Other modern communication:
• A telegraph uses electrical signals to send coded messages over a
wire or radio. • Camera - some of the earliest cameras were as big as a room.
• It was the first kind of electrical telecommunications. • TV - during the first half of the 1900s, televisions became available for people to
• People could send instant messages across continents and oceans. buy in most parts of the world.
• PC - people mostly used early PCs for word processing or typing, storing
information and for playing video games.
Telephone:
• Internet - allows you to send emails, chat to other people, play games, listen to
• Electric telephones were invented in the 1870s. music, watch movies and shop online.
• Alexander Graham Bell invented the telephone. • Cell phone - allow you to access the internet, send emails and take photographs.
•
GR4 SS-HIST T4-M8 Mind Map Study&Master Copyright © www.summariessa.co.za (DO NOT COPY)
