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).
Practise AQA GCSE Computer Science Boolean logic with exam-style questions for GCSE Computer Science. 83 questions, matched to the AQA GCSE Computer Science (8525) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.