1. How organisations use ICT Control Systems By the end of this presentation you should be able to answer the following questions: What is a control system? Explain how an air conditioning system, refrigerator and central heating system works Describe the advantages and disadvantages of a control system
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4. TASK: Types of sensors Touch Tilt Sound Smoke Pressure PH Light Infra-red Humidity Heat Where Used Measures Sensor
5. Types of sensors Computer controlled robots Detects if one object bumps into another Touch Windows in security alarm system Angle of tilt Tilt Security alarm systems Levels of sound Sound Offices Smoke in the atmosphere Smoke Burglar alarm systems, automatic doors Pressure Pressure Environmental experiments, river pollution Acid/alkali levels e.g. pH of soil PH External security lights Light levels Light Security alarm systems Infra-red radiation e.g. body heat Infra-red Swimming pool, greenhouse Water vapour in the air Humidity Living room for central heating system Temperature Heat Where Used Measures Sensor
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