A micro-controller uses an exclusive-OR (XOR) logic gate to compare two binary inputs, A A\,A and BBB, representing the safety status of two independent power lines.
State the condition(s) under which the XOR gate will produce an output of 1 (TRUE).
30 exam-style questions on AQA GCSE Computer Science Boolean logic. Each one has a worked solution and a mark scheme showing where the marks go.