3.2 I/O Devices Quiz

Which of the following is an input device?

• Printer

• Monitor

• Keyboard

• Speaker

What is the purpose of a 2D scanner?

• To create 3D images

• To make digital copies of documents or pictures

• To measure physical properties

• To trigger an alarm

Which of the following is an output device?

• Microphone

• Mouse

• Inkjet Printer

• Touch Screen

What is the function of an actuator?

• To take measurements of physical properties

• To operate a machine or device

• To display images on a screen

• To create digital copies of documents

Which type of printer uses a liquid crystal display?

• Inkjet Printer

• Laser Printer

• Light Projector

• Monitor

What is the purpose of a sensor?

• To trigger an alarm

• To create 3D images

• To display images on a screen

• To measure physical properties

Which of the following is a suitable sensor for measuring temperature?

• LDR (light sensor)

• Oxygen sensor (gas sensor)

• Pressure sensor

• Acidity sensor

Which type of display uses a cathode ray tube?

• Inkjet Printer

• Laser Printer

• Light Projector

• Monitor

What is the purpose of a microphone?

• To take measurements of physical properties

• To operate a machine or device

• To display images on a screen

• To capture sound

Which of the following is an input device?

• Printer

• Monitor

• Keyboard

• Speaker