Understanding Output Devices

What is the primary function of an output device?

• To process data internally

• To input data into a computer

• To store data in digital form

• To convert digital data into a form humans can process

What is a common use of actuators?

• Printing documents

• Carrying out physical movements

• Producing sound from digital data

• Displaying images on a screen

Which of the following is an advantage of DLP projectors over LCD projectors?

• Lower power usage

• Higher contrast ratio

• Better color reproduction

• Sharper image quality

What is a key advantage of inkjet printers?

• Uses powdered ink

• Excellent for high-quality photo printing

• Low running cost per page

• High-speed printing

Why might a laser printer be preferred in an office setting?

• It produces high-quality, fast, and inexpensive prints

• It is cheaper than an inkjet printer

• It is excellent for high-quality photo printing

• It uses liquid ink

What is a significant benefit of LED screens over LCD screens?

• Lower image quality

• Heavier and bulkier

• Requires additional backlighting

• Longer lifespan

What is a common application of LED screens?

• Ideal for large displays at concerts

• Used in typewriters

• Primarily used in old televisions

• Used in mechanical clocks

How do speakers convert digital data into sound?

• By using a laser

• By projecting images

• By vibrating crystals

• By using a digital to analog converter

What is a unique capability of 3D printers?

• Creating objects with intricate internal spaces

• Displaying high-resolution images

• Printing on both sides of a paper

• Producing sound

What is a common feature of modern gaming controllers?

• They only function as input devices

• They are exclusively output devices

• They cannot connect wirelessly

• They have built-in speakers and vibration feedback