Methods and uses of real-time processing systems where the output affects the input, including: microprocessor-controlled/computer-controlled systems, including: greenhouse, central heating systems, air conditioning systems, burglar alarms, control of traffic/pedestrian flow/smart motorways, car park barriers, traffic lights; wireless sensor and actuator networks, including: smart homes, guidance systems (for space rockets, etc.), autonomous vehicles (including aircraft, cars/automobiles, drones and ships)

Microprocessor-controlled/computer-controlled technology, including: greenhouses, central heating systems, air conditioning systems, burglar alarms, control of traffic/pedestrian flow (including smart motorways), car park barriers, traffic lights, Wireless Sensor and Actuator Networks, smart homes

System processing and flow of data through a system, including: Data flow diagrams (DFD), level 0 (context-level), level 1 and level 2 diagrams, construct a system flowchart and a data flow diagram (DFD) using correct symbols (see symbols at the end of the ‘Subject content’ section)