Question: An engineer wants to design a logic circuit for a security system that only grants access under specific conditions. The system requires a key card

An engineer wants to design a logic circuit for a security system that only grants access under specific conditions. The system requires a key card to be swiped (A), a numerical code to be entered correctly (B), a retinal scan to be passed (C), and a voice command to be recognized (D). The engineer has constructed a complex Boolean expression for the system. You need to determine the minimal expression for the following using a Karnaugh map and draw the circuit diagram from the resultant output.
F =(A+B+C+D)(A+B+C'+D')(A+B'+C+D')(A+B+C'+D)(A'+B+C+D)(A'+B'+C'+D)(A+B'+C'+D')(A'+B+C'+D')
plot the final circuit using one or two input gates only

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To solve this problem we will simplify the complex Boolean expression using a Karnaugh map Kmap and then design the corresponding circuit diagram Lets ... View full answer

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