Figure 4-14

question 279

Multiple Choice

Figure 4-14
Panel (a) Panel (b) Panel (c) Panel (d)
-Refer to Figure 4-14.Which of the four panels illustrates an increase in quantity demanded?

• A) Panel (a)
• B) Panel (b)
• C) Panel (c)
• D) Panel (d)

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Definitions:

PLC Programming Languages

Languages developed to create programs for Programmable Logic Controllers, including Ladder Diagram, Function Block Diagram, and Structured Text.

Graphical Language

A visual programming language where the user creates programs by manipulating graphical elements rather than writing textual code.

Function Block Diagram

A graphical programming language used in PLCs and other control systems, representing functions between input and output.

Ladder Diagram

A graphical representation of a program used in PLC (Programmable Logic Controller) programming, resembling the rungs of a ladder, where each rung represents a unique logic operation.