Which of the Following Statements Is True of Magnetic Media

question 31

Multiple Choice

Which of the following statements is true of magnetic media?

• A) Data are recorded by a laser in this type of media that alters light-sensitive dyes within the disk.
• B) The absence of moving parts or sensitive surfaces makes it relatively less vulnerable to damage.
• C) Magnetic media on devices is usually maintained by others that can be accessed through the internet.
• D) The recording process requires rotation of the disk or tape, which introduces the possibility of mechanical failure in magnetic media.

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Definitions:

Cames

Thin metal strips, traditionally lead, used to join pieces of glass together in the creation of stained glass windows and art.

Optical Isolator Circuit

A component that uses light to transfer an electrical signal between two isolated circuits, preventing high voltages from affecting the system receiving the signal.

Line Voltage Transients

Short-duration surges, spikes, or dips in electrical power supply voltage, which can damage equipment or affect performance.

Electrical Noise

Extraneous interference mixed with a valuable signal, which masks the information it carries.