Which of the Following Can Be Found in U

question 56

Multiple Choice

Which of the following can be found in U.S. National Parks?

• A)Significant modern architecture.
• B)Economically significant areas or buildings.
• C)Historic battlefields.
• D)Farm land.

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Definitions:

PLC

Stands for Programmable Logic Controller, a digital computer used for automation of industrial processes, such as control of machinery on factory assembly lines.

External Input

Any input signal or data received from an outside source, device, or system, which is used to influence operations or responses within a system.

Latch

An electronic circuit or mechanism that retains its output state until a specific input signal is received.

Unlatch

A term used in programmable logic control programming that refers to a command or instruction to turn off or reset a previously set (latched) condition.