A software engineer is developing an automated smart greenhouse climate control system. This system monitors real-time soil moisture levels across several sensor zones, measures ambient temperature, logs ventilation fan runtimes, and calculates average daily water usage.
State one built-in library function that could be used in this program.
29 exam-style questions on Edexcel GCSE Computer Science Subprograms, covering Built-in and user-devised subprograms, Functions versus procedures, and Global and local variables. Each one has a worked solution and a mark scheme showing where the marks go.