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1. |Can a wire be used to pass data between loops that are intended to run in parallel?
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Yes
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No
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| |2.|What is the result of the following Array addition? |
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| | |2-D Array of {{120, 90, 20}, {60, 30, -40}} |
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| | |1-D Array of {80, 20, 40, 10, -60} |
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| | |1-D Array of {120, 30} |
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| | |1-D Array of {120, 30, -60} |
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[pic]
| |3.|A coercion dot indicates that: |
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| | |Data values are being coerced because they are out of range |
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| | |The data types are consistent |
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| | |A polymorphic operation will be performed on the data |
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| | |A data buffer is created to handle data conversion |
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| |4.|Which of the following statements is true about the following block diagram? |
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| | |The loop will execute once and the iteration terminal, [pic], will output a value of zero |
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| | |The loop will execute infinitely and the program will have to be aborted |
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| | |The loop will execute once and the iteration terminal, [pic], will output a value of one |
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| | |The loop will not execute and the iteration terminal, [pic], will return a null value |
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| |5.|Which of the following cannot be used to transfer data? |
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| | |Queues |
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| | |Local variables |
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| | |Notifiers |
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| | |Semaphores |
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| |6.|You have a control on the front panel of a VI and you need to modify one of its properties at run time. Which of the |
| | |following is the best approach you would take? |
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| | |Create a control reference, pass the reference to a property node and select the property to modify |
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| | |Create an implicit property node and select the property to modify |
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| | |Create a linked shared variable and select the property to modify the property |
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| | |Create a local variable and select the property to modify |
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| |7.|Which of the following is the best method to update an indicator on the front panel? |
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| | |Use a Value property node |
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| | |Use a functional global variable |
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| | |Wire directly to the indicator terminal |
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| | |Use a local variable |
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| |8.|What is one disadvantage of using the State Machine VI architecture? |
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| | |A State Machine can only traverse states in order |
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| | |If two state changes occur at the same time, only the first state change will be handled and the second will be lost |
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| | |State Machines cannot acquire data or use DAQ functions |
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| | |The diagram becomes significantly larger when changing from a general architecture to a State Machine |
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| |9.|You customize a control, select Control from the Type Def. Status pull-down menu, and save the control as a .ctl file. You |
| | |then use an instance of the custom control on your front panel window. If you open the .ctl file and modify the control, |
| | |does the control on the front panel window change? |
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| | |Yes |
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| | |No |
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| |10.|Which of the following illustrates an advantage of a global variable over a local variable? |
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| | |Global variables follow the dataflow model, and therefore cannot cause race conditions |
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| | |Only the global variable can pass array data, local variables cannot |
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| | |A global variable can pass data between two independent VIs running simultaneously |
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| | |Global variables do not require owned labels to operate |
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| |11.|Which timing function (VI) is the best choice for timing control logic in applications that run for extended periods of |
| | |time? |
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| |12.|You are inputting data that represents a circle. The circle data includes an x position, a y position, and a radius. All |
| | |three pieces of data are double-precision. In the future, you might need to store the color of the circle, represented as|
| | |an integer. How should you represent the circle on your front panel window? |
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| | |A cluster containing all of the data. |
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| | |An array with three elements. |
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| | |Three separate controls for the two positions and the radius. |
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| | |A type definition containing a cluster. |
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| |13.|You must store data that other engineers must analyze with Microsoft Excel. Which file storage format should you use? |
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| | |Datalog |
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| | |Tab-delimited ASCII |
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| | |Custom binary format |
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| | |TDM |
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| |14.|Which of the following statements is false? |
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| | |A SubVI connector pane defines where to wire inputs and outputs |
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| | |You must have an icon/connector to use a SubVI |
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| | |The color of a SubVI connector pane terminal matches the data type it is connected to |
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| | |A SubVI icon can be edited from the functions palette |
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| |15.|The most efficient method for creating an array is: |
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| | |Placing a build array function in a While loop |
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| | |Using a For loop with Auto-indexing |
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| | |Using a While loop with Auto-Indexing |
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| | |Initializing an array and then replacing elements in a While loop |
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| |16.|Which of the following will cause an event to be captured by the LabVIEW Event Structure? |
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| | |Programmatic update of a Front Panel control via a control reference |
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| | |Changing a value on a Front Panel control via a mouse click |
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| | |Using VI Server to update a Front Panel control |
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| | |Update of a Front Panel control using a property node |
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| |17.|You develop a SubVI that only outputs a value and need to use this SubVI in a (calling) VI. Which of the following is the|
| | |best way to enforce dataflow to control the execution of the SubVI? |
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| | |Modify the SubVI to have a global variable and use it from the calling VI |
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| | |Use the SubVI in a Sequence structure |
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| | |Modify the SubVI to have dummy inputs that can be used from the calling VI |
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| | |Modify the SubVI to have Error clusters that can be used from the calling VI |
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| |18.|What is the output of the Build Array function in the following block diagram when Concatenate Inputs is selected? |
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| | |1-D Array of {1, -4, 3, 7, -2, 6} |
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| | |1-D Array of {1, 7, -4, -2, 3, 6} |
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| | |2-D Array of {{1, -4, 3}, {7, -2, 6}} |
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| | |2-D Array of {{1, -4, 3, 0}, {7, -2, 6}} |
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| |19.|The following block diagram represents which common type of VI architecture? |
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| | |General VI |
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| | |Parallel Loop VI |
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| | |State Machine VI |
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| | |Multiple Case Structure VI |
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| |20.|If an input name on the Show Context Help window is in bold for a SubVI, which of the following conditions are true? |
| | |(Multiple answers required) |
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| | |Input values must be scalar. |
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| | |An input is recommended, but not required. |
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| | |A broken run arrow will result unless the input is wired. |
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| | |An input is required. |
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1. Can a wire be used to pass data between loops that are intended to run in parallel?
Correct Answer: No
2. What is the result of the following Array addition?
Correct Answer: 1-D Array of {120, 30}
3. A coercion dot indicates that:
Correct Answer: A data buffer is created to handle data conversion
4. Which of the following statements is true about the following block diagram?
Correct Answer: The loop will execute infinitely and the program will have to be aborted
5. Which of the following cannot be used to transfer data?
Correct Answer: Semaphores
6. You have a control on the front panel of a VI and you need to modify one of its properties at run time. Which of the following is the best approach you would take?
Correct Answer: Create an implicit property node and select the property to modify
7. Which of the following is the best method to update an indicator on the front panel?
Correct Answer: Wire directly to the indicator terminal
8. What is one disadvantage of using the State Machine VI architecture?
Correct Answer: If two state changes occur at the same time, only the first state change will be handled and the second will be lost
9. You customize a control, select Control from the Type Def. Status pull-down menu, and save the control as a .ctl file. You then use an instance of the custom control on your front panel window. If you open the .ctl file and modify the control, does the control on the front panel window change?
Correct Answer: No
10. Which of the following illustrates an advantage of a global variable over a local variable?
Correct Answer: A global variable can pass data between two independent VIs running simultaneously
11. Which timing function (VI) is the best choice for timing control logic in applications that run for extended periods of time?
Correct Answer: [pic]
12. You are inputting data that represents a circle. The circle data includes an x position, a y position, and a radius. All three pieces of data are double-precision. In the future, you might need to store the color of the circle, represented as an integer. How should you represent the circle on your front panel window?
Correct Answer: A type definition containing a cluster.
13. You must store data that other engineers must analyze with Microsoft Excel. Which file storage format should you use?
Correct Answer: Tab-delimited ASCII
14. Which of the following statements is false?
Correct Answer: A SubVI icon can be edited from the functions palette
15. The most efficient method for creating an array is:
Correct Answer: Using a For loop with Auto-indexing
16. Which of the following will cause an event to be captured by the LabVIEW Event Structure?
Correct Answer: Changing a value on a Front Panel control via a mouse click
17. You develop a SubVI that only outputs a value and need to use this SubVI in a (calling) VI. Which of the following is the best way to enforce dataflow to control the execution of the SubVI?
Correct Answer: Modify the SubVI to have Error clusters that can be used from the calling VI
18. What is the output of the Build Array function in the following block diagram when Concatenate Inputs is selected?
Correct Answer: 1-D Array of {1, -4, 3, 7, -2, 6}
19. The following block diagram represents which common type of VI architecture?
Correct Answer: State Machine VI
20. If an input name on the Show Context Help window is in bold for a SubVI, which of the following conditions are true?
Correct Answer: An input is required AND a broken run arrow will result unless the input is wired
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