IGCSE Computer Science Output Devices

What is the main output device used to display information on a computer?

• monitor

• keyboard

• printer

• CPU

Which output device is commonly used to produce hard copies of documents?

• printer

• scanner

• keyboard

• monitor

What type of output device is used to produce sound from a computer?

• Monitors

• Keyboards

• Printers

• Speakers

Which output device is used to project images and videos onto a larger screen?

• keyboard

• headphones

• projector

• monitor

What type of output device is worn over the ears to listen to audio from a computer?

• headphones

• microphone

• earbuds

• speakers

Which output device is used to produce high-quality drawings and designs?

• scanner

• inkjet printer

• plotter

• fax machine

What is the purpose of a monitor in a computer system?

• The purpose of a monitor in a computer system is to control temperature.

• The purpose of a monitor in a computer system is to display visual output.

• The purpose of a monitor in a computer system is to play music.

• The purpose of a monitor in a computer system is to cook food.

What are the two main types of printers commonly used as output devices?

• wireless printers and multifunction printers

• inkjet printers and laser printers

• thermal printers and dot matrix printers

• 3D printers and plotter printers

How do speakers convert electrical signals into sound?

• By converting the electrical signals directly into vibrations on a membrane without the need for magnets

• By passing electrical current through a coil of wire wrapped around a magnet, causing the magnet to move and vibrate a diaphragm to produce sound waves.

• By heating up a special liquid that emits sound when agitated by electricity

• By using a system of mirrors to reflect the electrical signals into sound waves

What is the function of a projector as an output device?

• It creates 3D holograms

• It displays visual content from a connected source onto a larger screen or surface.

• It projects sound instead of visuals

• It prints documents directly onto paper