JNTU
JNTU B.Tech III VIRTUAL INSTRUMENTATION Previous Question Paper (November/December - 2017 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
PART - A
Highlight the requirements of LabVIEW RT.
Answer
LabVIEW Real-Time (RT) requires a dedicated real-time operating system (RTOS) target hardware, a host computer running the LabVIEW development environment, and a reliable network connection between the host and the target for deployment and monitoring.
Pictorially represent data flow programming in VI.
Answer
Data flow programming is represented by nodes connected by wires. A node executes only when data arrives at all its input terminals, and it supplies data to its output terminals only when it finishes execution. Visually, this is represented as:
Define Bundling.
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What is the importance of sub VI?
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Define Resolution in DAC.
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Explain the use of digital filter VIs in Lab VIEW.
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Write down the Syntax for constructing VISA resource string for PXI connection.
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What are the protocols that Lab VIEW supports in networking?
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Define Image Restoration.
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What is the function of frame grabber in LabVIEW?
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PART - B
Draw the general architecture of a virtual instrument and explain the function of each block.
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What are the advantages of using LabVIEW RT? Explain in detail.
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What do you mean by GUI? Give example.
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Describe the function of Sequence Structure. Give an example for sequence local.
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Write a program in VI that returns the square root of a positive input number using Case Structure.
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Differentiate arrays from clusters using a Lab VIEW program.
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Build a VI that reverses the order of an array containing 100 random numbers.
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List out the important characteristics of DAC? Explain them.
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Discuss the function of an actuator. Mention the areas of applications of an actuator.
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Describe a simple data acquisition program with the help of the canonical LabVIEW VI.
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Explain the use of Moving Avg, Array in data acquisition.
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Explain how VISA is helpful in instrument control.
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Describe the features of Networking for office and industrial applications.
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Explain IVI with basic architecture. Also list out the advantage of Interchangeable VI.
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What is the imaging software for LabVIEW? Explain it.
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What are the basic components of IMAQ? Explain IMAQ.
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With the help of an example explain Image processing using LabVIEW.
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