Examlex
When a computer is running multiple programs, the applications running but not currently in use are in the foreground.
OFF Condition
A state in which a circuit, device, or system is not activated or is in a power-down mode.
Instruction B
Specific directive or operation code within a computer program or system.
Examine If Closed
A control system operation that checks whether a specific circuit or contact is in a closed (energized) state.
Examine If Open
Examine If Open is a control logic command used in programming, often in PLCs, to check if a circuit or contact is open before executing further instructions.
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