Engineering, 14.12.2019 02:31, hrcatena

Amanufacturing plant needs to install a horn that sounds to signal quitting time. the horn should be activated when the following conditions are met:

a. it is after 5 pm and all machinery has been shut down,
b. it is friday, the production run for the day is completed and all machines have been shut down. develop a boolean expression describing when the horn should sound.

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