CSEC Information Technology · 2011 · Paper 2 · Question 4(d)
Explain the difference between 'line-of-sight communication' and 'scattered infrared communication'.
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Practise this questionOther parts of this question
- 4(a)Explain, giving a reason, the type of transaction media that is described.[2 marks]
- 4(b)Explain what is a 'hotspot' and give ONE disadvantage of having access to a hotspot.[2 marks]
- 4(c)Name TWO devices that can connect to a Wi-Fi.[2 marks]
- 4(e)Explain whether line-of-sight communication or scattered infrared communication is MORE effective in transmitting data.[2 marks]
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