Case-Based Critical Thinking Questions Case 7-1 Ethan Is Studying for a Test

question 21

Multiple Choice

Case-Based Critical Thinking Questions Case 7-1 Ethan is studying for a test about file names, extensions, and types. Answer the questions. Which of the following operating systems has executable files for applications with extension .app?

• A) Microsoft Windows
• B) Apple OS X
• C) Sun Unix
• D) None of the above

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Definitions:

Picometers

A unit of length in the metric system equal to one trillionth of a meter, used to measure extremely small distances.

Displacement

The movement of something from its place or position, or the psychological defense mechanism involving the transfer of emotions from the original object to a safer target.

Complex Tones

Sounds that consist of multiple frequencies or harmonics, contributing to the perception of musical timbre and speech sounds.

Musical Instruments

Musical instruments are devices designed to produce musical sounds, ranging from simple flutes and drums to complex electronic synthesizers and digital pianos.