Scenario: the Internet Explorer 8 Browser Is Being Used to Display

question 21

Multiple Choice

Scenario: The Internet Explorer 8 browser is being used to display a web page with an audio player but the audio element displays nothing on the page. Read the following code snippet and select the reason for the incorrect display from the choices below. < audio controls="controls" >
< source src="podcast.mp3" type="audio/mpeg" >
< source src="podcast.ogg" type="audio/ogg" >
< /audio >

• A) The controls attribute should be controls="yes"
• B) There are too many source elements.
• C) There is no fallback content to display for browsers that do not support the audio element.
• D) The MIME type values are incorrect.

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Definitions:

AVC Curve

The Average Variable Cost curve, in economics, represents how the variable cost per unit changes with the level of output.

AFC Curve

Average Fixed Costs curve; a graphical representation showing the average fixed costs of producing different levels of output, which typically decreases as output increases.

MC Curve

The marginal cost curve, which graphs the cost of producing one more unit of a good or service, showing how marginal cost varies with the quantity produced.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the total quantity of output produced.