Question

By pressing A, B, C and D switches, 4 people can work on a machine bench. The key A belongs to the master (let's call the master A), the key B belongs to the master (the name of the head is B) and the keys C and D (names C and D) belong to 2 apprentices. According to the need for at least one of the masters or journeymen and both of the workers must be at the machine for the work of the workforce. If we say "logic 1" to the states where the machine is operating, accepting the ABC and D switches as input, taking the status of the machine as the output of the Q function, the logic circuit that shows the status of the machine to the work, according to SOP (that is, according to minterms) and without any simplification process, Obtain the truth table, write the function Q, and then draw the circuit. Make sure that your solutions and drawings are legible

Answer 1

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