Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

(a(i))[1]

What is the name of this component?

(a(ii))[1]

In the space below, draw the symbol for a NOT gate.

(b)[3]

Complete the truth table for this circuit. The table headings are: input A, input B, output C, input D, output E. The rows include every combination of 0 and 1 for inputs A, B and D.

(c)[1]

Suggest a modification to the circuit in Fig. 10.2 to produce the output Z in the truth table shown. It may help you to compare this truth table with the truth table in (b).

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