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7 marksLogic Gates

CAPE Physics Unit 2 · May/June 2024 · Paper 2 · Question 2(d)

Draw a circuit containing NAND gates only equivalent to that shown in Figure 2.

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Other parts of this question

  1. 2(a)(i)Draw the symbol and the truth table for the two-input NAND logic gate.[3 marks]
  2. 2(a)(ii)Draw the symbol and the truth table for the two-input OR logic gate.[3 marks]
  3. 2(a)(iii)Draw the symbol and the truth table for the two-input EXNOR logic gate.[4 marks]
  4. 2(b)Complete Table 1 by deducing the corresponding values of C', D, E and F.[8 marks]
  5. 2(c)Use your truth table in (b) to determine and sketch the resulting output waveform on the grid provided in Figure 3. On your sketch, include the binary…[5 marks]

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