Microprocessor
2017-05-01 17:52:30
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Microprocessors IGCSE ICT 6.4
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Humidity sensorMisture sensorTemperature sensorpH sensorlight sensor
If not
keypad
Deviceson or off
Microprocessor
Turtlegraghics
preset value
ADC
compare set temperature with current temperature
current temperature
Automaticoven/cooker
start timeend timecooking temperaturetemperature sensor
Devices under computer control
FORWARDBACKWARDLEFTRIGHTPEPEATENDREPEATPENUPPENDOWN
Compares datapreset value
DAC
Boiler
Computer processing
heater switch off
Little turtle draws diagrams
Digital data
sensor
Current pHor=3.5
Chemicalprocesscontrol
Current pH3.5
Temperaturesensors
heating elements switch on
Computer
Centralheatingsystems
Set time=Current time
Key in requireddata
acid is added
Key in instructions
acid is closed
Timesensors
Current timeor=70℃
Temperature sensor
heater switch on
heating elements switch off
compare set time with current time
pH sensor
Temperaturedata
Glasshouseenvironmentcontrol
Current T70℃
Water pump
Temperature sensorspH sensors
End time=Current time
Sensors taking readings from surroundings
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Microprocessor
123 2017-05-01