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CLAD PRACTICE TEST

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CLAD PRACTICE
SRINIBAS
Quiz by SRINIBAS, updated more than 1 year ago
SRINIBAS
Created by SRINIBAS over 9 years ago
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Resource summary

Question 1

Question
How do you document a VI so that the description appears in the Show Context Help popup window?
Answer
  • Use the VI Properties Documentation window
  • Type in the Show Context Help window
  • Create a free label on the front panel
  • Edit the LabVIEW help files

Question 2

Question
Can a wire be used to pass data between loops that are intended to run in parallel?
Answer
  • YES
  • NO
  • MAY BE
  • NOT SURE

Question 3

Question
Which of the following describes a Tab Control?
Answer
  • A control that outputs ASCII values equal to the selected tab label
  • A type of enumerated control
  • A control that outputs a cluster of the controls / indicators on the tabs
  • A controls that outputs the tab order of the controls on the front panel

Question 4

Question
What is an advantage of using a Strictly Typed VI refnum?
Answer
  • The data types of the target VI are known at compile time
  • The data types passed to the VI can change programmatically
  • You can flatten the data to a string to improve code performance
  • Causes dynamically loaded VIs to be loaded at the start of execution

Question 5

Question
A coercion dot indicates that:
Answer
  • The data types are consistent
  • A polymorphic operation will be performed on the data
  • A data buffer is created to handle data conversion
  • Data values are being coerced because they are out of range

Question 6

Question
Which of the following cannot be used to transfer data?
Answer
  • Queues
  • Semaphores
  • Notifiers
  • Local variables

Question 7

Question
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?
Answer
  • Create an implicit property node and select the property to modify
  • Create a control reference, pass the reference to a property node and select the property to modify
  • Create a linked shared variable and select the property to modify the property
  • Create a local variable and select the property to modify

Question 8

Question
For implementing state diagrams that allow future application scalability, the best choice for a base structure is?
Answer
  • Sequence structure
  • Object-Oriented structure
  • Formula node
  • Case structure

Question 9

Question
Clicking on the _________ button allows you to bypass a node in the Block Diagram without single-stepping through the node.
Answer
  • Step Into
  • Step Over
  • Step Out
  • Step through

Question 10

Question
Which chart update mode should be used to show running data continuously scrolling from left to right across the chart?
Answer
  • Strip Chart
  • Scope Chart
  • Sweep Chart
  • Step Chart

Question 11

Question
Which of the following does not conform to the Dataflow programming paradigm?
Answer
  • Shift Registers
  • Tunnels
  • Local variables
  • SubVIs

Question 12

Question
If possible, a Sequence structure should be replaced with an
Answer
  • Event structure
  • For loop
  • While loop
  • State machine

Question 13

Question
A VI has Automatic Error Handling enabled. It calls a SubVI that has Automatic Error Handling disabled. The Error Out terminal of the SubVI is unwired in the calling VI. The SubVI returns an error to the calling VI. Will an error dialog be posted because of Automatic Error Handling?
Answer
  • Yes, since the Error Out terminal from the subVI is not wired in the calling VI.
  • No, since the Error Out terminal from the subVI is not wired in the calling VI.
  • Yes, since he SubVI has Automatic Error Handling disabled
  • No, since the SubVI has Automatic Error Handling disabled

Question 14

Question
Auto-indexing at loop boundary is a feature that allows: (More than one answer may apply.)
Answer
  • Arrays to be automatically accumulated at loop boundaries
  • Arrays to be automatically traversed from one iteration to the next
  • Array functions to automatically index array elements
  • Functions that use arrays to automatically index them

Question 15

Question
Which variable is commonly used to eliminate race conditions by preventing simultaneous access to code or data?
Answer
  • Functional global variable
  • Local variable
  • Global variable
  • Shared variable

Question 16

Question
Which Server must be started before running Data Scoket VIs
Answer
  • HTTP Server
  • Data Socket Server
  • FTP Server
  • OPC Server
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