What Is the Usual Rate of Speed for the Platters

question 147

Multiple Choice

What is the usual rate of speed for the platters in a hard disk?

• A)2,000 to 4,000 rpm
• B)5,400 to 15,000 rpm
• C)12,000 to 25,000 rpm
• D)24,500 to 36,000 rpm

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Definitions:

Independent Variables

In research, the variable that is manipulated or changed by the researcher to observe how it affects the dependent variable.

Dependent Variables

In experimental research, the variable that is tested and measured, expected to change when the independent variable is altered.

Experimental Method

A research method involving the manipulation of variables to determine cause and effect relationships.

Random Assignment

A method used in experiments to randomly allocate participants to different groups in order to reduce bias and ensure the groups are comparable.