The Time Required to Move the Read/write Heads to the Cylinder

question 66

Multiple Choice

The time required to move the read/write heads to the cylinder that contains (or will contain) the desired data is called ____.

• A) initial time
• B) rotational delay
• C) data movement time
• D) seek time

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Definitions:

Variance

A measure of how much the values in a data set differ from the mean of that set.

Data

Pieces of factual information collected together for analysis or used to reason and make decisions.

Sum of Squared Scores

A measure in statistics that represents the total deviation of each score from the mean, squared and summed up.

Data

Information collected for reference or analysis, often numeric or categorical, used in making decisions or evaluating conditions.