Inputs (AQA GCSE Design and Technology): Quizzes
📚Quizzes
Practise the questions
15 questions from this quiz
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Practise the questions
15 questions from this quiz
What do electronic systems take in, process, and create as a response?
What do electronic systems take in, process, and create as a response?
Input signal, process it, output response
How many main types of input devices are covered for electronic systems?
How many main types of input devices are covered for electronic systems?
Four
What happens to an LDR's resistance when it's dark?
What happens to an LDR's resistance when it's dark?
It has high electrical resistance
What happens to an LDR's resistance when light shines on it?
What happens to an LDR's resistance when light shines on it?
The resistance drops significantly
What unit is electrical resistance measured in?
What unit is electrical resistance measured in?
Ohms (Ω)
What happens to a thermistor's resistance when the temperature is cold?
What happens to a thermistor's resistance when the temperature is cold?
It has high resistance
What happens to a thermistor's resistance as temperature increases and becomes hot?
What happens to a thermistor's resistance as temperature increases and becomes hot?
The resistance decreases
Which application commonly uses light sensors (LDRs)?
Which application commonly uses light sensors (LDRs)?
Automatic lighting systems
What does 'normally open' (NO) mean for a pressure sensor?
What does 'normally open' (NO) mean for a pressure sensor?
Circuit disconnected under normal conditions
What is a key characteristic of toggle switches?
What is a key characteristic of toggle switches?
They stay in the position you set them
How does a push to make (PTM) switch operate?
How does a push to make (PTM) switch operate?
Normally open, completes circuit when pressed
Where are push to break (PTB) switches typically used?
Where are push to break (PTB) switches typically used?
Fire alarms and emergency stop controls
What does 'normally open' (NO) mean for switch operation?
What does 'normally open' (NO) mean for switch operation?
Circuit disconnected until activated
What does 'normally closed' (NC) mean for switch operation?
What does 'normally closed' (NC) mean for switch operation?
Circuit connected until triggered to break
Which application uses thermistors (temperature sensors)?
Which application uses thermistors (temperature sensors)?
Heating system controls