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 shutdown. 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 shutdown. 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)
Chapter22: Sequence Control
Section: Chapter Questions
Problem 6SQ: Draw a symbol for a solid-state logic element AND.
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Transcribed Image Text: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 shutdown.
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)
Transcribed Image Text:Design, construct and test the following combinational logic problems with minimum number
of IC's. For all ICs in this experiment: Vcc = +5v to pin 14, and 0 (ground) to pin 7.
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