Some Users Input Music and Other Sound Effects Using External

question 64

Multiple Choice

Some users input music and other sound effects using external _____ devices such as an electronic piano keyboard.

• A) MIDI
• B) POS
• C) MICR
• D) DSP

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Definitions:

Direct Control

The management or regulation of variables in an experiment to ensure that any observed effects are due to the manipulation of the independent variable.

Extraneous Variables

Variables that are not the focus of a study but could influence the results, potentially leading to confounding effects if not controlled.

Randomization

The process of randomly assigning subjects to different groups in a study, minimizing biases and ensuring variability.

Dependent Variable

The outcome factor that researchers measure in an experiment to see if it changes in response to manipulations of the independent variable.