1 Fundamentals of IT 1 4 Connectivity Methods

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1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods A Cambridge Technicals IT B

1 Fundamentals of IT 1. 4 Connectivity Methods Copper electricity Fibre light Wireless waves

1 Fundamentals of IT 1. 4 Connectivity Methods Copper electricity Fibre light Wireless waves Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Copper • • Used for decades

1 Fundamentals of IT 1. 4 Connectivity Methods Copper • • Used for decades e. g. phone lines Because good conductor Carries data as electric signal • • • Also used in LANS eg school network But affected by interference That impacts range/distance And use special cables… Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Copper Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Copper Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Fibre Optic Cable • • Tubes

1 Fundamentals of IT 1. 4 Connectivity Methods Fibre Optic Cable • • Tubes of glass with plastic coat Laser sends pules of light High speed High bandwidth • Used for home fibre • Also undersea cables • But installation is more costly… Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Fibre Optic Cable Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Fibre Optic Cable Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless • • Uses waves But

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless • • Uses waves But remember Science! Electromagnetic Spectrum Different types of waves Wavelength & frequency So lot of choice to carry data Options depends on… Range, cost, data transfer speed… Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Line of sight Laser Cambridge

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Line of sight Laser Cambridge Technicals IT Photo detector

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Wireless Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT

1 Fundamentals of IT 1. 4 Connectivity Methods Cambridge Technicals IT