What is the Internet? (Code.org video)

What is the internet often compared to?

• A nuclear reactor

• A cloud

• Plumbing

• A ballpoint pen

Who began working on the design of what we now call the internet?

• Steve Jobs

• Bill Gates

• Paul Baran

• Bob Kahn and Vint Cerf

What was the ARPANET?

• A commercial internet service provider

• A mobile phone network

• A Defense Department research project

• A type of satellite

What was Paul Baran trying to achieve with his communication system?

• To create a faster internet

• To build a system that could survive a nuclear attack

• To connect all mobile phones

• To develop a new type of satellite

How are messages sent in the network?

• In a single, continuous stream

• Through a central control system

• As blocks sent in every possible direction

• Via a single satellite

Who is in charge of the internet?

• A central authority

• The government

• Bill Gates

• Nobody

What is the structure of the internet?

• Hierarchical

• Fully distributed

• Linear

• Centrally controlled

What motivates operators to ensure end-to-end connectivity?

• Government regulations

• The utility of the network

• Competition

• Financial incentives

What is a powerful motivator for sharing information?

• Financial gain

• The idea that what you know might be useful to someone else

• Government mandates

• Technological advancement

How does science progress according to the video?

• Through technological innovation

• By government funding

• By sharing information

• Through individual research