Which of the Following Is Not a Part of a UML

question 1

Multiple Choice

Which of the following is not a part of a UML state diagram?

• A) A solid circle indicating the initial state.
• B) Rounded rectangles representing states.
• C) Arrows with accompanying event description text representing transitions.
• D) Fractions beside each state indicating the likelihood of entering that state.

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Definitions:

Output Instructions

Commands in programming languages or PLCs that control the output actions or devices, based on logic or conditions.

Scan Time

The time taken by a PLC to read all inputs, execute the program, and update the outputs in one complete cycle.

Signal

The event or electrical quantity that conveys information from one point to another.

Controller

A device or system that manages the operation of other devices or systems through control loops, often used in industrial and computing applications.