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Answer is C = Speaker
How? as the speaker is the only item on the list that displays any type of content, that being audio, it's the only feasible answer to this question.
True
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Motherboard, CPU, fans, Hard drives,Power Supply,Optical Drives and RAM
The default constraint gives a value to an attribute when a new row is added to a table.
<h3>Is default a kind of constraint?</h3>
This is known to be a type of constraint that often apply a value to a column if an INSERT statement does not really give the value for the column.
Therefore, one can say that the default constraint gives a value to an attribute when a new row is added to a table.
Learn more about default constraint from
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