The Forcing Function of a PLC Allows the User to Turn

question 37

Multiple Choice

The forcing function of a PLC allows the user to turn an external input or output on or off:

• A)according to the forced program.
• B)according to the main program.
• C)from the keyboard regardless of its actual status.
• D)all of these.

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Definitions:

Walking Sticks

Mobility aids used to assist in walking, providing support and balance for individuals with mobility challenges.

Boomerangs

Traditionally, a curved throwing tool used for hunting, but in modern contexts, often refers to adult children returning to live in their parents' home.

Absolute Advantage

The ability of an individual, company, or country to produce a good or service at a lower cost per unit than competitors.

Opportunity Cost

The consequence in terms of lost benefits from not selecting the immediate next preferable option when making a choice.