Computer Hardware - Output

What is the resolution of a monitor?

• The number of colors displayed on the screen

• The relationship between width and height of the display

• The number of pixels horizontally and vertically (e.g., 1024 x 768)

• The brightness level of the display

Which of the following defines the aspect ratio of a display?

• The number of pixels displayed per inch

• The relationship between the width and height of the display

• The speed of the refresh rate

• The contrast ratio of the display

How does higher pixel density affect the display quality?

• It makes the display crisper, clearer, and easier to read

• It decreases the screen brightness

• It reduces the contrast ratio

• It increases the screen size

What is the impact of a low contrast ratio on the display?

• It makes images appear brighter

• It produces soft, 'muddy' images

• It increases the refresh rate

• It increases the pixel density

Which of the following devices commonly uses multi-touch technology?

• Smartphones

• Tablets

• Touch walls in commercial spaces

• All of the above

What is a common gesture used to close apps on an iPad using multi-touch technology?

• Pinch with two fingers

• Slide with one finger

• Pinch with five fingers

• Tap with three fingers

Which of the following is an example of accessibility technology using multi-touch on smartphones?

• Adjusting the screen brightness

• Providing specific functionality for sight-impaired users

• Zooming in and out of pictures

• Launching apps

What is the main advantage of using HDMI over VGA?

• HDMI only carries audio signals

• HDMI does not require separate cables for audio

• HDMI supports lower resolution video

• HDMI is used for data transfer only

Which of the following devices typically includes an HDMI port?

• Computer monitors

• Blu-ray Disc Players

• Digital televisions

• All of the above

Which of the following could cause a printer to be unresponsive?

• The printer is not plugged in or powered on

• The printer is using the wrong type of paper

• The printer's resolution is too high

• The printer's color cartridge is empty