Alexander Graham Bell
What kind of phone do most people use today?
Most people use smartphones today.
What did the rotary telephone combine in one handset?
The rotary telephone combined the mouthpiece and speaker in one handset.
How much did the first mobile phone weigh?
The first mobile phone weighed over one kilogram.
What was one of the first telephones?
The "candlestick" was one of the first telephones.
How did people dial numbers on the rotary telephone?
People dialed numbers by spinning the rotary dial on the front of the rotary telephone.
Which kind of phone came after the push-button phone?
The portable phone came after the push-button phone.
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How long did it take to charge the first mobile phone's battery?
It took ten hours to charge the first mobile phone's battery.
What is one reason why so many people enjoy the smartphone?
It has a large touchscreen, so you can control it with just your finger.
What did the video say was another name for clamshell phones?
What is one reason why the "clamshell" was better than the first portable phone?
The clamshell was better than the first portable phone because its battery lasted all day and charged quickly.
The clamshell was better than the first portable phone because it was very small and light.
3x!