Computing - Connectivity 0.0 / 5 ? ComputingHardware componentsASOCR Created by: Natalie WilliamsCreated on: 16-03-14 17:31 What is meant by a physical connection? Connecting two devices using a cable 1 of 12 What is meant by a non-physical connection? Wireless communication 2 of 12 What are the features of a coaxial/twisted pair (TP) cable? A pair of wires twisted together to take the signals 3 of 12 What factors should you consider when deciding on a choice of cable? Performance and cost 4 of 12 How does a fibre optic cable work? By sending light beams down a fine glass filament 5 of 12 What is the biggest advantage of using fibre optic over copper cable? Rates of data transmission are far greater 6 of 12 Why has wireless become a popular way of connecting devices? Because it removes the restrictions placed in location of devices because of the position of the cable. 7 of 12 What are the advantages of wireless connectivity? Wireless communication can be used anywhere within the wireless footprint. 8 of 12 What are the disadvantages of wireless connectivity? Control over who can access data is very difficult and the high intensity radio signals used may cause health problems. 9 of 12 What are the different forms that wireless communication might take? Radio communication, microwave/infra-red communication, satellite communication 10 of 12 How can the effectiveness of wireless be measured? Thee rate at which data can be sent along the medium 11 of 12 What is bandwith? The limit to the number of different signals that can be sent at the same time before they do interfere with each other 12 of 12
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