Transfer of data HWk

Transfer of data HWk

1. Why are networks useful

   • communication
   • Sharing files
   • Sharing peripherals e.g. a printer
   • Storage of files on a server so that they can be accessed anywhere on the network

2. What is a network?

   • A method of collecting two or more computing devices electronically togethor

3. The internet

   • The internet is a series of interlinked networks which cover the globe/world, allowing the sending and retrieval of information from one computer to another, sometimes described as 'a network of networks'.
   • Made up of computers, copper wires, fibre optic cables and wireless networks
   • Governed by internet protocol
     • protocol which directs data from one computer to another (IP).
   • Hardware

4. The World Wide Web

   • The www connects information in the form of hypertext documents (HTML). it is a collection of multimedia resources accessed through a browser and hosted by the internet
   • Made up of files, folders and documents stored in various computers
   • Governed by hyper text transfer protocol
     • An application protocol for distributed, collaborative, hypermedia information systems
   • Software