Labview fundamentals test question
Hi,
I have attached a question from LV fundamentals test. Can't figure out the reasoning if the answer should be A or B. Any help appreciated?
Thanks,
ABM
Solved!
Go to Solution.
Attachments:
fundamental Q_8.doc 109 KB
Nono. The answer is B. The option A is incorrect.
Keep in mind that there are 25 points on graph. If the answer is A, there must be at least at one point with a value greater than 5 on the graph, since the possible outcome range from 0-10. The probabilty of getting a 6, 7, 8, 9, aor 10 is 5/11. That is a probability of about 50%.
In another word, you have a about 50% chance to get a value in the range of 6-10 for each point and you have 25 points. It is impossible to not get any values between 6-10 on a graph with 25 points.
If you flip a coin 10 times, is it possible to not get a tail? We can think about it this way.
Yik
Kudos and Accepted as Solution are welcome!
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How does this even work? (see atachment) How do you know what the feed back loop is initialized to? I built this VI and put probes on it. The output of the FB is always zero. This is what I can tell , the index is saying to start insert at the second element in the array. The I terminal is element to insert (0,1,2) for the 3 itterations. The out put of the FB is the array to insert into.
What am I missing?
Alan
Solved!
Go to Solution.
Attachments:
9-15-2009 6-21-54 AM.jpg 55 KBThe answer is going to be D.
The array is initialized to
[1 8 6 2]
This is done by passing the array to the blue dot on the left side of the for loop.
Iteration 0
[1 0 8 6 2]
Iteration 1
[1 1 0 8 6 2]
Iteration 2
[1 2 1 0 8 6 2]
So you are left with choice D
Message Edited by Cory K on 09-15-2009 11:18 AM
Cory K -
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LabVIEW Embedded - Performance Testing - Different Platforms
Hi all,
I've done some performance testing of LabVIEW on various microcontroller development boards (LabVIEW Embedded for ARM) as well as on a cRIO 9122 Real-time Controller (LabVIEW Real-time) and a Dell Optiplex 790 (LabVIEW desktop). You may find the results interesting. The full report is attached and the final page of the report is reproduced below.
Test Summary
µC MIPS
Single Loop
Effective MIPS
Single Loop
Efficiency
Dual Loop
Effective MIPS
Dual Loop
Efficiency
MCB2300
65
31.8
49%
4.1
6%
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50.0
83%
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80.9
56%
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8%
cRIO 9122
760
152.4
20%
223.0
29%
Optiplex 790
6114
5533.7
91%
5655.0
92%
Analysis
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For the Desktop, we get the best of both worlds; extraordinary processing power and high efficiency.
Speculation on why LabVIEW Embedded for ARM and LabVIEW Real-time performance is so poor puts the blame on excessive context switch. Each context switch typically takes 150 to 200 machine cycles and these appear to be inserted for each loop iteration. This means that tight loops (fast with not much computation) consume enormous amounts of processing power. If this is the case, an option to force a context switch every Nth loop iteration would be useful.
Conclusion
LabVIEW Embedded
for ARM
LabVIEW Real-time for cRIO/sbRIO
LabVIEW Desktop for Windows
Development Environment Cost
High
Reasonable
Reasonable
Execution Platform Cost
Very low
Very High / High
Low
Processing Power
Low (current Tier 1)
Medium
Enormous
LabVIEW/OS efficiency
Low
Low
High
OEM friendly
Yes+
No
Yes
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Hello, I have a disagreement about a java test question my teacher wrote and I was hoping someone here could clear it up once and for all. My instructor and I agree on just about everything except what "will be used with objects " means.
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SmashingThe problem with OOP terminology is that it's looser than anybody wants to admit.
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This sentence:
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Extra long lag with voice-over test questions
Hello,
I have recently been using voice over on my courses and the test for learners who may not be able to read. I have noticed when I use audio on a test question and choose the correct answer and click "submit" there is a long lag on the slide after clicking. It could be anywhere from 5-25 seconds of a lag between questions. I am at a loss on this and it only happens when I use audio.Hi Ryan,
Maybe you are not aware of the fact that a question slide has a pausing point that is set by default at 1.5 secs. Look at the timeline: you'll see the pausing point as a vertical bar (not very visible on the blue timeline).
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I have a project that requires a pre-test, post-test and
knowledge reviews throughout the course. I have created 10 question
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I do want the user to go through and receive feedback on each
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and knowldge reviews as graded questions but I deselected Report
Answers under the reporting tab thinking this would prevent the
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The second issue I have is with the progress indicator within
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Thanks in advance,The first part sounds very weird. I just made a project which
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not tracked in the final test. I used Graded questions in my course
and I initially set the score per question to 0 points. After I
found out that they were counted in the question total I removed
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final assesment - I just have the 6 questions out of 6 in the
post-test even though I have 4 knowledge checks inside the course
it self.
Try and click F9 to open up the advanced interaction panel
and make sure that the answers are not being reported. I know it's
obvious, but sometimes Captivate does some weird things.
As for your second question regarding the progress indicator
you can remove that by going to Quiz - Quiz Preferences - Settings
and then unchecking the box "Show Progress".
Best regards,
Michael -
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e.g. you can try contacting iTunes Support : http://www.apple.com/support/itunes/contact/ - click on Contact iTunes Store Support on the right-hand side of the page, then Account Management , and then try Apple ID Account Security
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