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1 markLogic Gates

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

The logic circuit of Figure 2 is incorporated into the electrical system of a car as shown in Figure 3, and switches S1 and S2 are operated according to the table provided.

Explain what happens if the DOOR is OPEN and the ENGINE is ON.

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Other parts of this question

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

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