A person may open a particular door if he or she has a card containing the corresponding code and enters an authorized keypad code for that card. The outputs from the card reader are as follows: AB 0 0 Valid code for door 1 0 1 Valid code for door 2 1 1 10 No card inserted Invalid card code To unlock a door, a person must hold down the proper keys on the keypad and, then, insert the card in the reader. The authorized keypad codes for door 1 are 101 and 110, and the authorized keypad codes for door 2 are 101 and 011. If the card has an invalid code or if the wrong keypad code is entered, the alarm will ring when the card is inserted. If the correct keypad code is entered, the corresponding door will be unlocked when the card is inserted. Design the logic circuit for this simple security system. Your circuit's inputs will consist of a card code AB, and a keypad code CDE.The circuit will have three outputs XYZ (if X or Y = 1, door 1 or 2 will be opened; if Z = 1, the alarm will sound).

A person may open a particular door if he or she has a card containing the corresponding code and enters an authorized keypad code for that card. The outputs from the card reader are as follows: AB 0 0 Valid code for door 1 0 1 Valid code for door 2 1 1 10 No card inserted Invalid card code To unlock a door, a person must hold down the proper keys on the keypad and, then, insert the card in the reader. The authorized keypad codes for door 1 are 101 and 110, and the authorized keypad codes for door 2 are 101 and 011. If the card has an invalid code or if the wrong keypad code is entered, the alarm will ring when the card is inserted. If the correct keypad code is entered, the corresponding door will be unlocked when the card is inserted. Design the logic circuit for this simple security system. Your circuit's inputs will consist of a card code AB, and a keypad code CDE.The circuit will have three outputs XYZ (if X or Y = 1, door 1 or 2 will be opened; if Z = 1, the alarm will sound).

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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