Which of the Following Mass Storage System Does Not Require

question 14

Multiple Choice

Which of the following mass storage system does not require physical motion?

• A) Magnetic tape
• B) Magnetic disk
• C) CDs/DVDs
• D) Flash drives

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Definitions:

Mean Absolute Deviation

The average of the absolute differences between each data point in a set of values and the mean of that set.

Sum of Squares

is a statistical technique used to measure the dispersion or variation within a data set, calculated by squaring the differences from the mean and summing them.

Regression Trend Line

A graphical representation in statistics that shows the relationship between two variables and forecasts trends and future values.

Exponential Smoothing

A time-series forecasting method for univariate data that applies decreasing weights to past observations.