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4 marksLogic Gates

CSEC Physics · May/June 2019 · Paper 2 · Question 5(b)

Table 3 shows an incomplete truth table for a NAND gate.

Complete the truth table shown in Table 3 for a NAND gate.

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(a)Using the axes on Figure 6, sketch the I-V graph for the semiconductor diode.[2 marks]
  2. 5(c)(i)Calculate the equivalent resistance of the resistors shown in Figure 7.[2 marks]
  3. 5(c)(ii)Calculate the equivalent resistance of the resistors in Figure 8.[4 marks]
  4. 5(c)(iii)Calculate the total current flowing through the circuit.[3 marks]

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