The SI Standard of Time Is Based On

question 30

Multiple Choice

The SI standard of time is based on:

• A)the daily rotation of the Earth
• B)the frequency of light emitted by Kr⁸⁶
• C)the yearly revolution of the Earth about the sun
• D)a precision pendulum clock
• E)none of these

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Definitions:

Communications Server

A server dedicated to managing communications and data exchange between networked devices and systems.

Internet Connectivity

The ability of individuals or organizations to connect to the internet, using various technologies such as broadband or wireless.

Wireless Access Points

Devices that allow wireless devices to connect to a wired network using Wi-Fi or related standards.

Portable Devices

Electronic devices that are small enough to carry with you easily, such as smartphones, tablets, and laptops.