Essentials Of Av Technology Quizzes Pt. 2 Quiz

1. If a display’s contrast is set too low, the white will appear _____?

Gray
, which was correct.

Red

Blue

Black

When a display's contrast is set too low, white may appear gray due to the lack of differentiation between shades.

Explanation

When a display's contrast is set too low, white may appear gray due to the lack of differentiation between shades.

2. What is a good idea to use when displaying text?

No specific fonts

One or two
, which was correct.

Three or more

Five or six

When displaying text, it is recommended to use one or two fonts to maintain consistency and readability. Using too many fonts can create a cluttered and disorganized appearance, while not using any specific fonts may lead to a lack of visual interest.

Explanation

When displaying text, it is recommended to use one or two fonts to maintain consistency and readability. Using too many fonts can create a cluttered and disorganized appearance, while not using any specific fonts may lead to a lack of visual interest.

3. The term ____ describes the vertical distance that a projector can be placed from the bottom of the screen.

Alignment

Projection

Offset, which was correct.

Distance

The term 'offset' specifically refers to the vertical distance that a projector can be placed from the bottom of the screen, allowing for proper placement and alignment.

Explanation

The term 'offset' specifically refers to the vertical distance that a projector can be placed from the bottom of the screen, allowing for proper placement and alignment.

4. Lumens are a U.S. measurement whose metric equivalent is _____.

Lumen

Candlepower

Illuminance

Lux
, which was correct.

Lux is the metric unit of measurement for illuminance, indicating the amount of light per unit area. Lumens, on the other hand, measure the total amount of visible light emitted by a source. Candlepower is an outdated term that is no longer used, and illuminance is a general term referring to the amount of light falling on a surface.

Explanation

Lux is the metric unit of measurement for illuminance, indicating the amount of light per unit area. Lumens, on the other hand, measure the total amount of visible light emitted by a source. Candlepower is an outdated term that is no longer used, and illuminance is a general term referring to the amount of light falling on a surface.

5. What is a method for correcting keystone error?

Electronic adjustment
, which was correct.

Mechanical realignment

Optical correction

Manual adjustment

Keystone error can be corrected using electronic adjustment, allowing for precise calibration to fix image distortion.

Explanation

Keystone error can be corrected using electronic adjustment, allowing for precise calibration to fix image distortion.

6. If an image is too small or large for the projector's fixed matrix, the ____ should be adjusted to resize the image.

Contrast

Volume

Brightness

Clock
, which was correct.

When an image is too small or large for the projector's fixed matrix, adjusting the clock will resize the image accordingly.

Explanation

When an image is too small or large for the projector's fixed matrix, adjusting the clock will resize the image accordingly.