LAN, LOCAL: devices connected in one building or organisation, PAN, PERSONAL Network: PCs, Laptops, theremostat, lights, tablets/iPads etc connection at home, WAN, WIDE NETWORK:A network of devices connected together across the world, Sync, How to connect: this forms a PAN or indeed can synchronise your GMail account in college so you can access it at home, Network WHY, Sharing resources and data, streaming films for entertainment, email/snapchat etc for communication, Networks BENEFITS, Share resources/Save Money | Employees can work from home/work | quicker communication via emails etc | greater for the environemtn if you do not need to travel - if you can work from home (think COVID-19), Devices SHARE, Printer, scanner, UTP - Transferring Data, Cheap, poor at high speeds, good for connecting PCs to a LAN, Fibre Optic - Transferring Data, Connects routers and switches across the world and under the sea, its fast, reliable, expensive, and used for long distances, Coaxial - Transferring Data, Good for connecting aerial cable, slow, short distances only and reliable, Wi-Fi, This is used to connect mobile phones, laptops to a network wirelessly, Bluetooth, Used to connect to other bluetooth devices such as a speaker to a mobile phone, a car telephone system to a mobile phone, wireless keyboards and mice for gaming etc - sync devices (tethering), Packet Switching, Transferring data over a network using smaller packets
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L2-U2-Networks
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Pnash2
KS3
Computing
Computer Networks
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