Physics 0625 · IGCSE · Electric circuits

Electric circuits — practice question

(a)[2]

Give the truth table for an OR gate.

(b)[1]

Sketch the symbol for a NOR gate.

(c(i))[1]

Fill in the column for point R in Table 9.1.

(c(ii))[3]

State which gate type is used for gate X. Explain your answer.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate truth table (I/P 00,01,10,11 → O/P 0,1,1,1)” …

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