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6 marksLogic Gates

CSEC Physics · May/June 2005 · Paper 2 · Question 5(a)

This question is about logic gates.

Identify the logic gates described in the first column of the table below and hence complete the table by writing in the names and logic symbols in the appropriate columns.

This question uses a figure or table from the paper — you'll see it when you practise.

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Other parts of this question

  1. 5(b)Examine the logic circuit shown in Figure 2 and complete the TRUTH TABLE below:[6 marks]
  2. 5(c)(i)Explain what happens if the DOOR is OPEN and the ENGINE is OFF.[2 marks]
  3. 5(c)(ii)Explain what happens if the DOOR is OPEN and the ENGINE is ON.[1 mark]

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