Control Systems GCSE ICT

What is a sensor related to a central heating system?

• Temperature

• Movement

• Light

• Pressure

What sensors would be appropriate for a greenhouse?

• Movement

• Light

• heat

• Pressure

Smart meters measure..

• The amount of gas/electricity being used

• The heat of a house

• Movement in a house

• The amount of light in a house

An out put device for an alarm is

• Heater

• Door

• Alarm

• Button

A burglar alarm can have different sensors.. which ones would be most suitable

• PIR (infrared sensing movement)

• Pressure pads

• Heat

• Light

Advantages of computer control are

• The computer does not require paying

• Robots cannot think for themselves

• They can work in dangerous conditions

• They are expensive

Advantages of data logging are

• Data collection is automatic

• Recordings can be taken over a long period without someone forgetting

• If there is a fault it will take a long time to be noticed

• It is smarter than humans

Weather data is collected from

• Weather balloons

• Satellites

• Weather ships

• schools

Microprocessors are found in the home in

• Washing machines

• Games consoles

• Microwaves

• Televisions

in weather systems computers are uses to monitor

• Temperature change

• Humidity Change

• Movement

• Sound