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Related Flashcards
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Cards In This Set
| Front | Back |
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The question was "If a display’s contrast is set too low, the white will appear _____." and you answered
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gray
, which was correct. |
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The question was "It is a good idea to use _____ fonts when displaying text." and you answered
|
one or two
, which was correct. |
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The question was "The term ____ describes the vertical distance that a projector can be placed from the bottom of the screen..
" and you answered |
offset, which was correct.
|
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The question was "Lumens are a U.S. measurement whose metric equivalent is _____." and you answered
|
lux
, which was correct. |
|
The question was "Which of the following is a method for correcting keystone error?" and you answered
|
electronic adjustment
, which was correct. |
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The question was "If an image is too small or large for the projector's fixed matrix, the ____ should be adjusted to resize the image.
" and you answered |
clock
, which was correct. |
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The question was "The “viewing cone” is defined as _____.
" and you answered |
the optimum viewing area
, which was correct. |
|
Simply put, sound pressure is reduced by 6 dB every time the distance from the source is doubled.
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Conversely, the sound pressure increases by 6 dB when the distance from the source is reduced by one-half. This is often referred to as the “6 dB per doubling” rule
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The "audio" portion of "audiovisual" refers to _____.
|
The correct answer was: sound
|
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The question was:
Vibration _____ molecules in the air to produce sound. |
The correct answer was: displaces
|
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The question was:
Wavelength is the _____. |
The correct answer was: physical distance between two points of a waveform that are exactly one cycle apart |
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The question was:
Complex waveforms can be broken down into _____. |
The correct answer was: individual sine waves
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The question was: What is a decibel?
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The correct answer was: a logarithmic scale used to describe ratios with a large range of values
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The question was:
The equation which correctly states the difference in decibels for two power values is _____. |
The correct answer was: 10 times the logarithm of the ratio of the two numbers being compared
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The question was:
When sound is generated, energy is spread _____. |
The correct answer was: spherically in all directions
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