Write the Word or Phrase That Best Completes Each Statement

question 40

Short Answer

Write the word or phrase that best completes each statement or answers the question.
Provide the missing information.
-Suppose that n represents the number of distinct elements in a group from which r elements will be
chosen in a particular order. Then each arrangement is called a________ of n items taken ________ at atime.

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Definitions:

Through-beam Sensor

A type of photoelectric sensor where the emitter and receiver are positioned opposite each other, detecting objects when the beam is interrupted.

Sensing Range

The distance within which a sensor can detect the presence of an object or a signal.

NC Pushbutton

A Normally Closed pushbutton switch that makes contact (closes) when at rest and breaks the circuit when pressed.

Ladder Logic

A programming language that represents electronic switching circuits; widely used in programming PLCs.