Communication Flashcards

1
Q

Who were the first people in South Africa? How did they communicate while hunting?

A

San-gatherers. Used hand signals.

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2
Q

What is the most common form of communication?

A

Speaking words

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3
Q

Have humans always been able to speak?

A

No, initially made sounds.

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4
Q

What is one of the most important ways of communication through spoken language?

A

Stories

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5
Q

How did the San people (earliest people in SA) use written communication?

A

Painted pictures on walls of caves and they also scratched pictures on rocks in the open. These pictures are called engravings.

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6
Q

What were most of the San pictures about?

A

The religion of the San people. An important part of their religion included dance.

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7
Q

How did people in Africa teach children their history?

A

Through songs.

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8
Q

What is uhadi and when was it played?

A

A musical instrument and it was used to accompany story songs.

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9
Q

What is a umrhube?

A

(Looks like a bow) It is a musical instrument. Young women played it. To tell how they felt about life around them.

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10
Q

Who used the mbira?

A

The Shona people.

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11
Q

What did they do with the mbira?

A

They used it to communicate with their ancestors.

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12
Q

List five different ways people can communicate:

A

WhatsApp, pictures, phoning, posting letters, radio, written words/ signs, email, talking, singing, facial expressions.

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13
Q

Tell me about the post stone:

A

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.

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14
Q

Tell me about the mail coach.

A
  1. 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.
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15
Q

What was the first typewriter called?

A

Writing piano

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16
Q

How did the first writing piano look?

A

It looked just like a piano. It had black and white keys.

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17
Q

How did the typewriter work

A

The stamp went onto the ink and then onto the paper when someone pushed a key.

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18
Q

Why was the QWERTY keyboard invented?

A

Keys kept jamming. So the letters that were commonly used were split up.

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19
Q

When was the Telegraph invented?

A

Early 1800s

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20
Q

Why was the Telegraph invented?

A

It allowed people to send messages along electric wires.

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21
Q

How were the messages sent?

A

Morse Code

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22
Q

What is Morse code?

A

This is the language that uses long and short signals called dashes.

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23
Q

How do you write HELP in Morse code?

A

… - - - …

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24
Q

Who invented the telephone?

A

Alexander Graham Bell

25
Q

Who were the two men who tried to register their telephone inventions?

A

Alexander Graham Bell and Elisha Gray

26
Q

Who invented the radio

A

Marconi in 1895,it could not be used for speech or music

27
Q

Why is a radio called a wireless

A

Heinrich Hertz proved that Electric waves travel through air

28
Q

How Were photographs developed

A

they had to be Developed quickly in a dark room

29
Q

How Do you know someone was rich before cameras were invented

A

They Could afford to have a picture painted of them or their families

30
Q

Who Invented the first camera

A

Alex Walcott

31
Q

describe the first cameras

A

big and heavy and had to be placed on tripods

32
Q

Who was George Eastman

A

George Eastman invented a small box camera called Kodak

33
Q

What made kodak special

A

It had rolled film that Meant that anyone could use a small handheld camera

34
Q

Why was the invention of digital cameras important

A

I did not need film.You could see your photo straightaway and delete your photos straightaway

35
Q

Five advantages of television

A

Connects people, entertainment, educational, live news, convenient, sports, long distance, world events

36
Q

Five disadvantages of the television

A

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.

37
Q

Who invented the radio?

A

Marconi in 1895

38
Q

Who invented the telephone?

A

Alexander Graham Bell in 1876

39
Q

Who invented the camera?

A

Alexander Walcott in 1840

40
Q

Who invented rolled film and Kodak?

A

George Eastman in 1888

41
Q

Who helped invent the television?

A

John Logie Baird

42
Q

What does SABC stand for?

A

South African Broadcasting Corporation

43
Q

Who invented the first PC?

+Microsoft

A

Bill Gates

44
Q

What does PC stand for?

A

Personal computer

45
Q

Who invented the WWW? And what does it mean?

A

Internet. World Wide Web. Bill Joy in 1994.

46
Q

Who invented the cellphone

A

Martin Cooper in 1973

47
Q

List the timeline of communication

A

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

48
Q

How has the PC changed peoples lives?

A

Working more effectively
Portable
Can save important documents (less paper)
Entertaining
Typing documents is neater than writing

49
Q

How has the internet changed lives?

A

Social networking
Gaming and entertaining
Online banking and shopping
Sharing documents (emails, photos)

50
Q

How has the cellphone changed lives?

A

Can fit in your pocket
Download apps
Takes photos
Entertainment
Lot of functions (call/ WhatsApp/ internet access)

51
Q

Name four of the oldest forms of communication

A

Rock painting, mail coach, typewriter, telegraph

52
Q

Who were the first people in South Africa?

A

Khoi San

53
Q

How does a post office help you communicate?

A

Send letters/ post

54
Q

Why is a radio called a wireless?

A

Radio waves travel without wires

55
Q

What does a Telegraph do?

A

Transmits electrical signals over a wire using Morse code

56
Q

How does a telephone work?

A

Communicates sound along electrical wires or optical fibers

57
Q

Can a computer be used like a typewriter

A

Yes, you can type letters

58
Q

Name three modern forms of communication that need electricity/ batteries to work:

A

Tv, radio and computer

59
Q

Tell me the names of the famous people who invented ways to communicate

A

Typewriters = Chris Sholes
Telegraph = Samuel Morse
Telephone =
Radio =
Camera =
Rolled Film Kodak =
Television =
PC = Bill Gates
Internet =
Cell phone = Martin Cooper