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4 marksLogic Gates

CAPE Physics Unit 2 · 2015 · Paper 2 · Question 5(b)

Complete Table 5 for the circuit shown in Figure 8 and hence show that this circuit is equivalent to a NAND gate.

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Other parts of this question

  1. 5(a)Draw the truth table for a 2-input NAND gate.[2 marks]
  2. 5(c)Draw the NAND gate version of an S-R flip-flop taking care to label all inputs and outputs.[4 marks]
  3. 5(d)The signals S and R shown in Figure 9 are simultaneously applied to the corresponding inputs of an S-R flip-flop. Determine and draw on Figure 9, the Q-output…[5 marks]

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