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Worksheets3.2 Input and Output Devices Cambridge IGCSE 0478
Total questions: 10
Worksheet time: 5mins
What is the primary function of an input device?
To send data to a computer for processing
To display processed data to the user
To store data permanently
To control the flow of electricity in a circuit
Which of the following is an example of an input device?
Barcode scanner
LED screen
Laser printer
Speaker
What is the primary function of an output device?
To present processed data to the user
To capture data from the environment
To store large amounts of data for later use
To convert signals from analog to digital
Which of the following is an example of an output device?
Laser printer
Microphone
Barcode scanner
Keyboard
What is the main purpose of a sensor?
To detect and measure physical changes in the environment
To convert digital data into human-readable form
To store information temporarily for processing
To send instructions to the CPU
Which of the following sensors would be most suitable for detecting gas leaks?
Gas sensor
Temperature sensor
Infra-red sensor
Proximity sensor
What type of sensor is used in automatic street lighting systems?
Light sensor
Proximity sensor
Moisture sensor
Magnetic field sensor
Which sensor would be best for detecting motion in a security system?
Infra-red sensor
Flow sensor
Acoustic sensor
pH sensor
What is the primary function of an accelerometer sensor?
To measure changes in velocity or movement
To detect sound levels
To monitor air humidity
To measure the strength of a magnetic field
Which sensor is used in thermostats to control room temperature?
Temperature sensor
Pressure sensor
Moisture sensor
