Match the descriptions on the left to the appropriate option on the right. You can take your time over this one - no limit!

This technology allows people to talk to each other in "real time".
Part of the Internet that stores pages containing text, pictures, movies, animation and sound.
This word describes a number of computers that are linked to share resources, such as printers and software.
An internet site where you may ask or answer questions on a certain topic. This is similar to a "notice board".
Used to send messages, diagrams, pictures, etc. from one computer to another anywhere in the world.