Year 7 – Networks from semaphores to the Internet
Imagine a world without computer networks: there would be no more YouTube, Google, instant messaging, online video gaming, Netflix, and iTunes; no online shopping; no file sharing; and no central backups of information. This unit begins by defining a network and addressing the benefits of networking, before covering how data is transmitted across networks using protocols.
Computer networks and protocols
Wired and wireless networks
The World Wide Web
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