LS - Computer Systems - How are sensors used?

What does a motion sensor in a mobile phone do?

• Detects the number of steps a user has taken

• Activates the linked device to view and speak to a visitor

• Detects movement nearby and switches on the camera

• Detects which way up the phone is to enable users to view the content

How does a smart watch/smartphone use movement?

• To track the number of steps a user has taken

• To open the door when someone is near

• To sound the alarm if movement is detected

• To switch on the lights when motion is detected

What does a motion sensor in an automatic door do?

• Detects the number of steps a user has taken

• Activates the linked device to view and speak to a visitor

• Detects movement nearby and switches on the camera

• Detects when someone is near and opens the door

What is the purpose of a motion sensor in a burglar alarm?

• To track the number of steps a user has taken

• To open the door when someone is near

• To sound the alarm if movement is detected

• To switch on the lights when motion is detected

What does a motion sensor in a smart doorbell do?

• Detects the number of steps a user has taken

• Activates the linked device to view and speak to a visitor

• Detects movement nearby and switches on the camera

• Detects when someone is near and opens the door

What happens when motion is detected by an outdoor light?

• The lights come on for a set period of time

• The number of steps a user has taken is tracked

• The alarm sounds if movement is detected

• The camera is switched on when movement is detected

What does a motion sensor in a camera do?

• Detects the number of steps a user has taken

• Activates the linked device to view and speak to a visitor

• Detects movement nearby and switches on the camera

• Detects when someone is near and opens the door

How can a games console use the movement sensor (accelerometer) in the controller?

• To track the number of steps a user has taken

• To open the door when someone is near

• To control the character or view in games

• To switch on the lights when motion is detected