What is the difference between digital signals and analog signals?
What will be an ideal response?
Digital signals have exactly two states, on or off which translates as 1 or 0 in
the binary code. We base these signals on a set voltage or amperage level when
based on real world equipment and not just data in the system. Analog signals
are a range of voltage or amperage, both in the milli range, and they correlate to a
set scale inside the system.
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Flow switches are used to detect the ____________________ of air or liquid through a duct or pipe.
Fill in the blank(s) with the appropriate word(s).
What are the two sources of water a highway engineer is primarily concerned with? Briefly describe each.
What will be an ideal response?
Renaissance humanism emphasized the study of what languages and literatures?
a. Latin and Greek b. Arabic and Latin c. Greek and Persian d. Latin and Hebrew
On a single-phase 120/240 V system, the color typically used to identify the grounding conductor is ____.
A. green B. white C. yellow D. brown