A(n)_________ is an input device that enables a machine operator to adjust a plc instruction's preset value without having to use a prigramming terminal

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A BCD is an input device that enables a machine operator to adjust a plc instruction's preset value without having to use a programming terminal.

An operator is a person who performs operations such as a: Person who operates a machine or device. b: A person who does business. c: Persons who perform surgery. d: trading stocks or commodities

Operators are skilled technicians who control a wide variety of light and heavy machinery and use their in-depth knowledge to perform tasks such as manufacturing and repairing products. Operators must pay attention to detail and work with concentration and precision. There are three types of operators that programmers use: Arithmetic operator, Comparison operator, and Logical operator.

Businesses are the primary force driving the teams working towards realizing the organization's vision. This may be a dedicated team of contractors, but is usually a mix of contractors and employees.

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