A manufacturing plant needs to have a horn sound to signal quitting time. The horn should be activated when either of the following conditions is met: 1. It's after 5 o'clock and all machines are shut down. 2. It's Friday, the production run for the day is complete, and all machines are shut down. Design a logic circuit that will control the horn. (Hint: Use four logic input variables to represent the various conditions; for example, input A will be HIGH only when the time of day is 5 o'clock or later.)

A manufacturing plant needs to have a horn sound to signal quitting time. The horn should be activated when either of the following conditions is met: 1. It's after 5 o'clock and all machines are shut down. 2. It's Friday, the production run for the day is complete, and all machines are shut down. Design a logic circuit that will control the horn. (Hint: Use four logic input variables to represent the various conditions; for example, input A will be HIGH only when the time of day is 5 o'clock or later.)

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter13: Magnetic Induction

Section: Chapter Questions

Problem 1PA

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A manufacturing plant needs to have a horn sound to signal quitting time. The horn should beactivated when either of the following conditions is met:1. It’s after 5 o’clock and all machines are shut down.2. It’s Friday, the production run for the day is complete, and all machines are shutdown.Design a logic circuit that will control the horn. (Hint: Use four logic input variables torepresent the various conditions; for example; input A will be HIGH only when the time of day is 5o’clock or later)
1. Design a combinational logic circuit that will function as a building alarm device. Monitored are windows on the ground floor and an entry door. The system is designed so that an alarm is sounded in the event of infiltration of entry points by a stranger during the night time or anytime during weekends. Implement the circuit using logic gates.
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