The Telephone

What is a telegraph?

• A gadget that sends coded messages

• A digital newspaper

• A telephone without speaker

• A typing machine

Who began experimenting with the telegraph?

• Jobs and Forbes

• Apple and Sony

• Archimedes and Galilei

• Bell and Gray

What were the inventors trying to do?

• Send codes

• Transmit a single tone

• Transmit human speech

• Send messages

When was the telephone invented?

• 1826

• 1876

• 1896

• 1856

Do we know who invented the telephone?

• Yes. Sony Ericson.

• Yes. Elisha Gray.

• No. No one got the patent.

• No. But Bell got the patent.

When was the first under water telephone line laid?

• 1955

• 1965

• 1935

• 1945

When did it become possible to make a call from a car?

• 1926

• 1936

• 1956

• 1946

What company created the first mobile phone?

• Apple

• Sony

• Motorola

• Nokia

How many used a mobile phone in U.S.A in 1998?

• 60 million

• 70 million

• 80 million

• 90 million

What are the main things mobile phones help with today?

• Sleeping and eating

• Cooking and cleaning

• Walks and pets

• Communication and understanding