Communication Flashcards
Who were the first people in South Africa? How did they communicate while hunting?
San-gatherers. Used hand signals.
What is the most common form of communication?
Speaking words
Have humans always been able to speak?
No, initially made sounds.
What is one of the most important ways of communication through spoken language?
Stories
How did the San people (earliest people in SA) use written communication?
Painted pictures on walls of caves and they also scratched pictures on rocks in the open. These pictures are called engravings.
What were most of the San pictures about?
The religion of the San people. An important part of their religion included dance.
How did people in Africa teach children their history?
Through songs.
What is uhadi and when was it played?
A musical instrument and it was used to accompany story songs.
What is a umrhube?
(Looks like a bow) It is a musical instrument. Young women played it. To tell how they felt about life around them.
Who used the mbira?
The Shona people.
What did they do with the mbira?
They used it to communicate with their ancestors.
List five different ways people can communicate:
WhatsApp, pictures, phoning, posting letters, radio, written words/ signs, email, talking, singing, facial expressions.
Tell me about the post stone:
European sailors, in Cape Town, would want to send letters back to families in Europe. They would leave their letters under a special rock on Robben Island. A passing ship would collect them and take the letters.
Tell me about the mail coach.
- Farmers and runners took letters inland.
2.in 1843 the first mail coach left Cape Town. It went as far as Swellendam. Only way to get a message inland.
What was the first typewriter called?
Writing piano
How did the first writing piano look?
It looked just like a piano. It had black and white keys.
How did the typewriter work
The stamp went onto the ink and then onto the paper when someone pushed a key.
Why was the QWERTY keyboard invented?
Keys kept jamming. So the letters that were commonly used were split up.
When was the Telegraph invented?
Early 1800s
Why was the Telegraph invented?
It allowed people to send messages along electric wires.
How were the messages sent?
Morse Code
What is Morse code?
This is the language that uses long and short signals called dashes.
How do you write HELP in Morse code?
… - - - …
Who invented the telephone?
Alexander Graham Bell
Who were the two men who tried to register their telephone inventions?
Alexander Graham Bell and Elisha Gray
Who invented the radio
Marconi in 1895,it could not be used for speech or music
Why is a radio called a wireless
Heinrich Hertz proved that Electric waves travel through air
How Were photographs developed
they had to be Developed quickly in a dark room
How Do you know someone was rich before cameras were invented
They Could afford to have a picture painted of them or their families
Who Invented the first camera
Alex Walcott
describe the first cameras
big and heavy and had to be placed on tripods
Who was George Eastman
George Eastman invented a small box camera called Kodak
What made kodak special
It had rolled film that Meant that anyone could use a small handheld camera
Why was the invention of digital cameras important
I did not need film.You could see your photo straightaway and delete your photos straightaway
Five advantages of television
Connects people, entertainment, educational, live news, convenient, sports, long distance, world events
Five disadvantages of the television
Leads to obesity and laziness, exposure to violence, learn bad habits, less reading, can lead to bad eyesight, inappropriate programs, lose track of time, uses electricity, expensive.
Who invented the radio?
Marconi in 1895
Who invented the telephone?
Alexander Graham Bell in 1876
Who invented the camera?
Alexander Walcott in 1840
Who invented rolled film and Kodak?
George Eastman in 1888
Who helped invent the television?
John Logie Baird
What does SABC stand for?
South African Broadcasting Corporation
Who invented the first PC?
+Microsoft
Bill Gates
What does PC stand for?
Personal computer
Who invented the WWW? And what does it mean?
Internet. World Wide Web. Bill Joy in 1994.
Who invented the cellphone
Martin Cooper in 1973
List the timeline of communication
Typewriters (1868 Chris Sholes)
Telegraph (Samuel Morse)
Telephone (1876)
Radio (1895)
Camera (1840)
Rolled Film Kodak 1888
Television (1930)
PC
Internet 1994
Cell phone 1973
How has the PC changed peoples lives?
Working more effectively
Portable
Can save important documents (less paper)
Entertaining
Typing documents is neater than writing
How has the internet changed lives?
Social networking
Gaming and entertaining
Online banking and shopping
Sharing documents (emails, photos)
How has the cellphone changed lives?
Can fit in your pocket
Download apps
Takes photos
Entertainment
Lot of functions (call/ WhatsApp/ internet access)
Name four of the oldest forms of communication
Rock painting, mail coach, typewriter, telegraph
Who were the first people in South Africa?
Khoi San
How does a post office help you communicate?
Send letters/ post
Why is a radio called a wireless?
Radio waves travel without wires
What does a Telegraph do?
Transmits electrical signals over a wire using Morse code
How does a telephone work?
Communicates sound along electrical wires or optical fibers
Can a computer be used like a typewriter
Yes, you can type letters
Name three modern forms of communication that need electricity/ batteries to work:
Tv, radio and computer
Tell me the names of the famous people who invented ways to communicate
Typewriters = Chris Sholes
Telegraph = Samuel Morse
Telephone =
Radio =
Camera =
Rolled Film Kodak =
Television =
PC = Bill Gates
Internet =
Cell phone = Martin Cooper
