NOT gate gives output of 1 if door open A Closed =1 OR gate gives output of 1 if door open or greenhouse cold Magnetic switch on door Open =0 NOT NÖT D B AND gate gives output of 1 if system is switched on and output of OR gate is 1 Temperature OR E Hot-1 sensor Cold= 0 F NOT gate gives output of 1 if greenhouse cold G On = 1 Warning light Main system switch Off = 0 AND AND
NOT gate gives output of 1 if door open A Closed =1 OR gate gives output of 1 if door open or greenhouse cold Magnetic switch on door Open =0 NOT NÖT D B AND gate gives output of 1 if system is switched on and output of OR gate is 1 Temperature OR E Hot-1 sensor Cold= 0 F NOT gate gives output of 1 if greenhouse cold G On = 1 Warning light Main system switch Off = 0 AND AND
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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Question
Fig. B5 is logic circuit for a warning system for a greenhouse. Once the gardener or caretaker has switched the system on, he wants to be warned by the following conditions:
- if the greenhouse gets too cold or
- if someone has opened the door.
Use the figure to answer the flowing questions:
- Verify using truth table the conditions that may trigger a warning light.
- Develop a Boolean expression for the system in fig B5
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