3. What is Computer Control? A set of instructions programmed into a machine, which will cause it to operate in a predetermined manner. e.g the traffic lights change in the correct order your alarm clock goes off at the correct time

4. What Systems and Devices Use Computer Control? Central heating Washing machine Cooker Microwave Fridge freezer Burglar alarm In the House TV/Video/Hi-Fi Games consoles Telephone Alarm clock Electronic keyboard Computer

5. What Systems and Devices Use Computer Control? Robotic arms CNC millers/lathes Hospital equipment Conveyor belts Automated stock control Nurseries Letter sorting Feeding livestock In Industry & Business

6. What Systems and Devices Use Computer Control? Cars (EMS) Busses Trains Aircraft Space shuttles Transport Engine Management System - regulates performance, monitors temperature (automatic choke), load, fuel consumption/oil/water

7. Homework! 1 Think of a household appliance that uses a control system 2 Describe how computer control is used in the appliance

8. Traffic Light Sequence Light on = 1Light off = 0

9. Truth Table R = Red A = Amber G = Green