Question
A heating system turns on the boiler when:
- the thermostat is below the target temperature, AND
- the user has switched the heating on, AND
- it is not the night setback period.
Let T = "below target", U = "user on", N = "night period".
Write a Boolean expression for B (boiler on) in terms of T, U and N. [2 marks]
2 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.