Practice Internet in CS Thinking
Use these practice problems to test your method after reviewing the concept explanation and worked examples.
Quick Recap
A global network of interconnected computer networks that communicate using standardized protocols (TCP/IP).
The internet is the world's biggest network โ it connects smaller networks together so any device can talk to any other device, anywhere.
Example 1
easyWhat is the difference between the internet and the World Wide Web (WWW)?
Example 2
mediumDescribe what happens step by step when you type 'www.example.com' into a web browser and press Enter.
Example 3
mediumExplain what an IP address is and why DNS is needed. What would browsing the web be like without DNS?
Example 4
hardExplain why the internet is described as a 'network of networks'. How does this decentralised structure make it resilient?