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Design a logic circuit that controls an elevator door in a three-story building. The circuit has four inputs. I is a logic signal that indicates when an elevator is moving (M=1) or stopped (M=0). F1, F2 and F3 re floor indicator signals that are normally LOW, and they go HIGH only when the elevator is ositioned at the level of that particular floor. For example, when the elevator is lined up level with e second floor, F2=1 and F1=F3=0. The circuit output is the OPEN signal which is normally LOW nd is to go HIGH when the elevator door is to be opened.

Design a logic circuit that controls an elevator door in a three-story building. The circuit has four inputs. I is a logic signal that indicates when an elevator is moving (M=1) or stopped (M=0). F1, F2 and F3 re floor indicator signals that are normally LOW, and they go HIGH only when the elevator is ositioned at the level of that particular floor. For example, when the elevator is lined up level with e second floor, F2=1 and F1=F3=0. The circuit output is the OPEN signal which is normally LOW nd is to go HIGH when the elevator door is to be opened.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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2. Design a logic circuit that controls an elevator door in a three-story building. The circuit has four inputs. M is a logic signal that indicates when an elevator is moving (M=1) or stopped (M=0). F1, F2 and F3 are floor indicator signals that are normally LOW, and they go HIGH only when the elevator is positioned at the level of that particular floor. For example, when the elevator is lined up level with the second floor, F2=1 and F1=F3=0. The circuit output is the OPEN signal which is normally LOW and is to go HIGH when the elevator door is to be opened.
Transcribed Image Text:2. Design a logic circuit that controls an elevator door in a three-story building. The circuit has four inputs. M is a logic signal that indicates when an elevator is moving (M=1) or stopped (M=0). F1, F2 and F3 are floor indicator signals that are normally LOW, and they go HIGH only when the elevator is positioned at the level of that particular floor. For example, when the elevator is lined up level with the second floor, F2=1 and F1=F3=0. The circuit output is the OPEN signal which is normally LOW and is to go HIGH when the elevator door is to be opened.
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