What are circuit diagrams? | Twinkl Teaching Wiki - Twinkl

Q1. Figure Q1 shows the block diagram of a circuit which has four inputs A, B, C, D and one output Y. It operates according to the following rules:(i) If the inputs A, B, C and D have more 0s than 1s, the circuit will generate an odd parity bit for the inputs.(ii) If the number of 0s and 1s of the inputs are equal, the machine will generate an even parity for the inputs.(iii) If there is only one 0, the output is equal to 1.(iv) The output of the remaining case(s) is (are) 1.DCBA01Y2A3Figure Q1.

Block Diagrams of Control Systems 1.4