Analog Signals Differ from Digital Signals in That

question 19

Multiple Choice

Analog signals differ from digital signals in that

• A)analog signals are represented vs.time while digital signals are measured vs.frequency.
• B)analog signals are periodic,digital signals are not.
• C)analog signals are continuous while digital signals remain at one constant level and then move to another constant level.
• D)analog signals operate a higher frequencies than digital signals.
• E)digital signals operate at higher frequencies than analog signals.

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Definitions:

Columnar Joints

Natural formations of rock into long, regular columns, typically found in basalt flows, resulting from the cooling and contraction of lava.

Igneous Rock

Rock formed through the cooling and solidification of magma or lava, categorized into intrusive or extrusive depending on the environment of formation.

Sierra Nevada

A mountain range in the Western United States, known for its dramatic landscapes, including Yosemite Valley and Lake Tahoe.

Granitic Rocks

Igneous rocks primarily composed of quartz, feldspar, and mica, known for their coarse-grained texture.