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4 Cards in this Set
- Front
- Back
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Describe the advantages of using digital signals instead of analogue signals. |
Analogue signals can take any value, whereas digital signals can only take 0 or 1. Therefore, when digital signals are regenerated (noise is removed), it is easy to tell the values. Also, digital signals can carry more information. |
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What type of signal do optical fibres use? |
Digital |
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What is 6 in binary code? |
00000110 |
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What is 67 in binary code? |
01000011 |
