What Is Bluetooth

question 52

Multiple Choice

What is Bluetooth?

• A)means the technology can travel with the user; for instance, users can download software, email messages, and web pages onto a laptop or other mobile device
• B)refers to any type of operation accomplished without the use of a hard-wired connection
• C)a wireless PAN technology that transmits signals over short distances among cell phones, computers, and other devices
• D)provides communication for devices owned by a single user that work over a short distance

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Definitions:

Homeostasis

The regulatory process by which biological systems maintain a stable internal environment despite external changes.

Vaporization

The phase transition of a substance from a liquid to a gas, occurring through the processes of evaporation or boiling.

Calorie

The amount of heat energy required to raise the temperature of 1 g of water 1°C; equivalent to 4.184 joules. Compare with Kilocalorie.

pH Value

A numeric scale used to specify the acidity or basicity of an aqueous solution, with values ranging from 0 (most acidic) to 14 (most basic), and 7 being neutral.