When a smart greenhouse climate control system is in its idle state, the variables heatingOn (HHH), fanOn (FFF), and irrigatorOn (III) are all set to false and a status message 'System Idle' is displayed.
Construct a Boolean logic statement using HHH, FFF, and I I\,I to represent the conditions necessary for the system to display 'System Idle'.
15 exam-style questions on Edexcel GCSE Computer Science Truth tables, covering Applying logical operators in truth tables. Each one has a worked solution and a mark scheme showing where the marks go.