ICT Practice 2.3 Output Devices

What is the primary use of a printer?

• To scan documents and images.

• To produce physical copies of documents and images.

• To store digital files permanently.

• To connect to the internet for browsing.

List one advantage of using an LED screen.

• Bulky size

• Energy efficiency

• Limited color range

• High cost

What is a disadvantage of LCD screens?

• Limited viewing angles leading to color distortion.

• Better color accuracy than CRT monitors.

• High energy consumption compared to OLED screens.

• Longer lifespan than plasma screens.

How does a touchscreen enhance user interaction?

• A touchscreen enhances user interaction by allowing direct manipulation of on-screen elements through touch gestures.

• They only allow for scrolling and not tapping on elements.

• Touchscreens require a stylus for all interactions.

• It enhances interaction by using voice commands exclusively.

What is one common use of multimedia projectors?

• Conducting scientific experiments

• Streaming movies online

• Playing video games

• Displaying presentations in meetings or classrooms.

Name an advantage of using speakers for audio output.

• Enhanced sound quality and volume.

• Increased portability compared to earbuds.

• Lower power consumption than headphones.

• Limited connectivity options.

How do monitors impact the quality of visual output?

• Monitors determine the size of the screen only.

• Monitors have no impact on visual output.

• Monitors affect visual output quality by influencing resolution, color accuracy, refresh rate, and panel technology.

• Monitors only affect sound quality.

What is one advantage of using a touchscreen device?

• Enhanced user interaction and ease of use.

• Increased battery consumption compared to buttons.

• Limited screen visibility in bright light.

• Higher likelihood of accidental touches.

List a disadvantage of using a multimedia projector.

• High maintenance costs.

• Reduced visibility in bright environments.

• Increased power consumption.

• Limited compatibility with devices.

What type of printer is best for high-quality photo printing?

• Laser printer

• Inkjet printer

• Dot matrix printer

• 3D printer