Internet - by keeva

Internet - by keeva

1. what is the internet?

   • A group of inter-connected networks
   • A global computer network providing a variety of information and communication facilities
   • Consisting of interconnected networks using standardized communication protocols

2. What is the world wide web?

   • A collection of web pages
   • Stored on computers all over the world
   • Accessed via the internet
   • No central storage
   • No owner

3. URL

   • Uniform resource locator
   • A URL is a web address
   • All web addresses are unique

4. Parts of a web address

   • www.abc.co.uk/images/logo.jpg
     • www
       • Hosted on the WWW
     • abc
       • Website address
     • co
       • Company
     • .uk
       • Country
     • /images
       • Folder
     • /logo.jpg
       • File

5. Connectivity

   • Deep sea cables
     • https://www.youtube.com/watch?v=kx3qwqtZvs4
     • Travels to many countries
     • Reliable way to stay connected around the world
   • Bandwidth
     • The amount of data that can be carried at a time
     • https://www.submarinecablemap.com/#/
     • http://www.speedtest.net/

6. Connection speed

   • The speed that data is transferred between your device and the internet
   • It can also sometimes be known as bandwidth
   • Download speed or receiving speed means the rate that information travels from the internet to your device

7. Broad band

   • A high-capacity transmission technique using a wide range of frequencies, which enables a large number of messages to be communicated simultaneously.

8. Medium (used for network connection)

9. Wireless connection

   • Advantages
   • Disadvantages

10. Buffer

    • A region of a physical memory storage
    • Used to temporarily store data while it is being moved from one place to another
    • May be used when moving data between processes within a computer