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History (Evan g 4) > Communication > Flashcards

Communication Flashcards

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1
Q

List some forms of communication.

A

Radio
Cell phone
Talking
Morse code
Email
Social media (Facebook , twitter)

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2
Q

What was the post stone?

A

European sailors in Cape Town would leave letters on Robben island under a special stone. When a ship passed by, those sailers would take the letters back to Europe.

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3
Q

What was the mail coach?

A

It was the only way to send a letter in land between Cape Town and farms (as far as swellendam).

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4
Q

What was the first typewriter called?

A

Writing piano

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5
Q

Why was the QWERTY keyboard developed?

A

Because the previous keyboard (on the writing piano) got jammed.
The QWERTY keyboard separates the keys that are often used together.

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6
Q

Describe how a typewriter works.

A

When you press a key, the little stamp went into ink and then hit the paper

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7
Q

Why is a QWERTY keyboard called a QWERTY keyboard?

A

Because the first six letters in the top left spell QWERTY

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8
Q

What is a Telegraph?

A

A machine that is used to send messages using a language called Morse code.

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9
Q

What is Morse code?

A

A language that uses dots and dashes (short signals and long signals) to make letters of the aphabet

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10
Q

List the similarities and differences between a computer and a typewriter.

A

Computer:
Press a button to go to next line
Doesn’t use paper
Doesn’t get jammed
Electronic
Can delete

Typewriter:
Uses paper and ink
Gets jammed
Can’t change what you wrote after you typed

Similarities:
Both use the QWERTY keyboard

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11
Q

When was the first telephone invented? By whom?

A

1876
Alexander Graham Bell

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12
Q

Describe the development of postal system over time?

A

People use pen and paper to write letters and they would deliver them themselves /get a messenger to take their letter.
In the 1800s, official postal systems set up all over the world (so you could easily send a letter or parcel anywhere).
Post stone was used to send letters internationally (ships)
These days, we use stamps and mail boxes and letters go via airplanes)
Nowadays people also use courier services to send mail and packages.
We use email to send letters.

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13
Q

What are the disadvantages of the postal system?

A

Can be unreliable because sometimes letters get lost and never arrive.
It can take a very long time for letters to reach their destination.

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14
Q

Describe the structure of a history paragraph.

A

Topic sentence first (main idea)
Supporting sentences next (first give evidence then explains)
Concluding sentence last

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15
Q

What is the difference between a modern typewriter keyboard and QWERTY keyboard?

A

Writing piano has letters in alphabetical order where as QWERTY has letters commonly used together split up from each other

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16
Q

Why did the writing piano jam?

A

The alphabetical order of the keys and a person typing too quickly.

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17
Q

How does a telephone communicate sounds?

A

Along electrical wires

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18
Q

Who else invented the telephone at the same time as Alexander Graham Bell?

A

Elisha Gary
(Came to register his invention a few hours after Alexander Graham bell)

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19
Q

Who invented the telegraph?

A

Samuel Morse

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20
Q

How do you send a telegraph?

A

Type in dots and dashes for your message

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21
Q

How do receive a telegraph?

A

Translate the dots and dashes back into the normal alphabet.

22
Q

When was the radio invented invented?

A

1895

23
Q

Who in invented the first radio?

A

An Italian teenager called Guglielmo Marconi

24
Q

How does a radio work?

A

It sends radio waves through the air

25
Q

Why was a radio called a wireless?

A

It didn’t use wires, it received radio waves sent through the air

26
Q

What did people listen to on the radio in the 1920s?

A

News, music, stories, sports, drama and variety shows

27
Q

How have radios stayed the same over time?

A

Still use radio waves,
Still broadcast news and music and sports

28
Q

What about radios has changed over time?

A

They look different
Changed from analogue to digital
Can even listen to radio on a cell phone

29
Q

When was the Kodak film company founded?

A

1888

30
Q

Who invented the Kodak camera?

A

George Eastman

31
Q

Describe how cameras have changed over time.

A

First camera: big, heavy and not easy to carry. People had to go to a studio photographer. Photos were difficult to develop. Had to be developed quickly in a dark room.

The first handheld cameras: still difficult to use

In the late 1880s the Kodak camera was invented. It was a small box camera that used a roll of film. Could only see the photo after you’ve used the whole roll of film and developed it.

Digital cameras in the 1960s. Now days you can check the photos immediately

32
Q

When was the cellphone invented?

A

1973

33
Q

Who invented the cellphone?

A

Martin Cooper

34
Q

What is the difference between original cell phones and today’s cellphones

A

Size: original was much bigger
Functionality: old ones could do a lot less (only make calls on original ones; modern ones can send messages, take photos, video calls, browse internet)
Originally was heavier

35
Q

Why was the invention of the cell phone significant?

A

You could walk around anywhere making phone calls

36
Q

How have cellphones changed our daily lives?

A

COMMUNICATION
* easier to stay in touch with people wherever we are
* makes the world feel smaller

WORK
* revolutionized how we work with
1. email on the go
2. calendar apps
3. productivity tools
* improved how well people work
* enabled flexible working arrangements

INFORMATION ACCESS
* Cellphones are like pocket sized libraries
* we can access any info at any time
* can read news, browse internet, learn new skills anywhere any time
* they have democratized information

37
Q

When did the first television stations begin?

A

1930s

38
Q

When did South Africa first get TV?

A

1976

39
Q

Describe the development of TV through time.

A

First: Box, round screen, only black and white.
Then showed color, still box shape.
Then flat screen.
Then smart.

40
Q

Describe the earliest computers.

A

Filled a whole room.
Difficult to use.
Only companies, universities and governments used them

41
Q

What was the computer revolution?

A

When computers were made smaller and easier to use so that anyone could buy one to have/use in their home/school/work.
New smaller computers were called pc (personal computers)

42
Q

Who was one of the best known people involved in the computer revolution?

A

Bill Gates

43
Q

What company did Bill Gates found?

A

Microsoft

44
Q

Describe the developments of the computer in the 21st century

A

Laptops.
And cloud computing which allows you to store and access data from anywhere with an internet connection.

45
Q

Who invented the World Wide Web?

A

Bill Joy

46
Q

When was the internet first developed?

A

1960s
(Computer researchers set up networks to share info and resources)

47
Q

When was the World Wide Web invented?

A

1994

48
Q

When did dot-com companies and online services become popular?

A

Late 1990s and early 2000s.

49
Q

What new technologies were developed in the late 1990s and early 2000s.

A

Search engines
Online advertising
e-commerce

50
Q

List three forms of social media

A

You tube
Face book
X (used to be Twitter)

51
Q

How has the internet changed our lives?

A
  • Made it easier and quicker to find information.
  • Made it easier to communicate with people

History (Evan g 4) (7 decks)

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