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Immediate instructions should be used only when:


A) a program must be halted immediately.
B) a program must be restarted immediately.
C) the updating of an input or output is critical to your operation.
D) the resetting of all bits in the data table is critical to your operation.

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The master control relay instruction can be used as a substitute for a disconnect switch.

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The temporary end instruction, when true, stops the program scan.

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When the MCR instruction in the start rung is true, all rung outputs below the MCR will be controlled by their respective input conditions.

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The MCR instruction requires no address.

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The JMP instruction allows a section of a program to be jumped when a production fault occurs.

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Which of the following instructions would most likely be programmed outside the jumped area of a program?


A) Latch and unlatch instructions
B) Timer and counter instructions
C) Immediate inputs and outputs
D) Forced inputs and outputs

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The ____ is the target for the JMP instruction.


A) LBL
B) TND
C) IOT
D) RET

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Jumping to a subroutine does not cause any rungs of the main program to be skipped over.

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The status of examine on instruction 0:2/5 would be ____ and the status of output 0:2/6 would be ____ . The status of examine on instruction 0:2/5 would be ____ and the status of output 0:2/6 would be ____ . A) false ...true B) true ...false C) false ...false D) true ...true


A) false ...true
B) true ...false
C) false ...false
D) true ...true

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The JSR instruction requires that a:


A) separate file be created
B) separate processor be used
C) separate power supply be used
D) all of these

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The use of the starter auxiliary contact instead of a programmed contact: The use of the starter auxiliary contact instead of a programmed contact: A) is more costly. B) is safer. C) provides positive feedback about the exact status of the motor. D) all of these.


A) is more costly.
B) is safer.
C) provides positive feedback about the exact status of the motor.
D) all of these.

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