Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

An incomplete truth table for a NAND gate is shown. What are the values of W, X, Y and Z?

  • AW $=0$, X $=0$, Y $=0$, Z $=1$
  • BW $=0$, X $=1$, Y $=1$, Z $=1$
  • CW $=1$, X $=0$, Y $=0$, Z $=0$
  • DW $=1$, X $=1$, Y $=1$, Z $=0$

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