Flashcards
P1f just learn facts
Cards in this deck (7)
- 1What do analogue signals continuously have?A variable value
- 2What are digital signals either?On (1) or off (0)
- 3What are some everyday uses of infrared radiation?Remote controls and short distance data links
- 4What do infrared sensors detect?Body heat
- 5What are some advantages of using digital signals?It's easier to remove noise and you can use multiplexing
- 6What is multiplexing?When you send more than one signal on a carrier wave
- 7What are some advantages of using optical fibres?Multiplexing and lack of interference in the final signal
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- Flashcards on P1f just learn facts, created by coldk001 on 24/11/2014.
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- coldk001
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