What does ADC Resolution refer to?

The number of bits used to represent the signal

What is the primary purpose of signal conditioning?

To change the signal into a form suitable for the next stage of processing

What is the function of the DAQmx Read VI?

Reads samples from the specified acquisition task

What is the purpose of the DAQmx Create Virtual Channel VI?

To define physical channels and configure signal properties

What is the advantage of using an event-driven user interface design pattern in LabVIEW?

It conserves CPU usage and only responds to events when they occur

What is the effect of increasing the resolution of an ADC?

Increases the number of quantisation levels

Why are anti-aliasing filters used before an ADC?

To limit the signal's frequency to below the Nyquist frequency

What does CMRR stand for, and why is it important?

Common Mode Rejection Ratio – It shows how well an amplifier rejects noise

What LabVIEW structure is used to implement a State Machine?

While Loop + Case Structure + Shift Register

What is the effect of aliasing in data acquisition?

It introduces incorrect frequency components in the sampled signal

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Interactive Quiz for EL3425: Computer Aided Instrumentation

15 termsStudBud Administration

This quiz is designed to help students revise and test their understanding of key concepts in the EL3425: Computer Aided Instrumentation module. The quiz covers various topics, including: LabVIEW Programming Structures DAQmx API and Data Acquisition Signal Conditioning Analog to Digital Conversion (ADC) Practical LabVIEW Knowledge

Flashcards15 cardsFPractice quizPHost liveL

Questions 15

Answers

1
Which of the following is used in LabVIEW to structure the flow of code based on event triggers?
While Loop
Shift Register
State Machine
Event Structure
2
What does ADC Resolution refer to?
The number of bits used to represent the signal
The maximum frequency that can be sampled
The amount of noise an ADC introduces
The voltage range that an ADC can measure
3
What is the primary purpose of signal conditioning?
To convert analog signals to digital
To convert digital signals back to analog
To store the signal for future use
To change the signal into a form suitable for the next stage of processing
4
What is the formula for calculating LSB in an ADC?
LSB = 2^n / Input Range
LSB = Input Range * 2^n
LSB = Input Range / 2^n
LSB = 2^n / Input Range^2
5
What is the function of the DAQmx Read VI?
Reads samples from the specified acquisition task
Starts the task
Stops the task
Configures the virtual channels
6
What is the purpose of the DAQmx Create Virtual Channel VI?
To create a new DAQmx API
To stop a DAQ task
To initiate the acquisition task
To define physical channels and configure signal properties
7
Which type of LabVIEW loop allows data to pass from one iteration to the next?
Parallel Loop
Timed Loop
While Loop
For Loop
8
What is the advantage of using an event-driven user interface design pattern in LabVIEW?
It increases CPU usage
It makes the code harder to understand
It conserves CPU usage and only responds to events when they occur
It processes all events simultaneously
9
What is the effect of increasing the resolution of an ADC?
Increases the input range
Decreases the number of quantisation levels
Increases the number of quantisation levels
Reduces the input range
10
Why are anti-aliasing filters used before an ADC?
To amplify the signal
To provide higher resolution
To convert analog signals to digital signals
To limit the signal's frequency to below the Nyquist frequency
11
What does CMRR stand for, and why is it important?
Common Mode Rejection Ratio – It measures the gain in signal conditioning
Coherent Mode Rejection Ratio – It controls signal filtering
Common Mode Rejection Ratio – It shows how well an amplifier rejects noise
Current Mode Rejection Ratio – It measures current flow accuracy
12
What LabVIEW structure is used to implement a State Machine?
While Loop + Case Structure + Shift Register
For Loop + Case Structure
While Loop + Shift Register
Case Structure + Shift Register
13
Which LabVIEW control allows you to pass data from one iteration of a loop to the next?
Local Variable
Event Structure
Shift Register
Case Structure
14
What is the effect of aliasing in data acquisition?
It introduces incorrect frequency components in the sampled signal
It improves signal accuracy
It prevents signal noise
It amplifies high-frequency signals
15
Which LabVIEW structure should be used when you need to repeat a section of code until a certain condition is met?
Case Structure
Event Structure
For Loop
While Loop

Interactive Quiz for EL3425: Computer Aided Instrumentation Flashcards | StudBud

Interactive Quiz for EL3425: Computer Aided Instrumentation

15 termsStudBud Administration

Flashcards15 cardsFPractice quizPHost liveL

Questions 15

Answers

1
Which of the following is used in LabVIEW to structure the flow of code based on event triggers?
While Loop
Shift Register
State Machine
Event Structure
2
What does ADC Resolution refer to?
The number of bits used to represent the signal
The maximum frequency that can be sampled
The amount of noise an ADC introduces
The voltage range that an ADC can measure
3
What is the primary purpose of signal conditioning?
To convert analog signals to digital
To convert digital signals back to analog
To store the signal for future use
To change the signal into a form suitable for the next stage of processing
4
What is the formula for calculating LSB in an ADC?
LSB = 2^n / Input Range
LSB = Input Range * 2^n
LSB = Input Range / 2^n
LSB = 2^n / Input Range^2
5
What is the function of the DAQmx Read VI?
Reads samples from the specified acquisition task
Starts the task
Stops the task
Configures the virtual channels
6
What is the purpose of the DAQmx Create Virtual Channel VI?
To create a new DAQmx API
To stop a DAQ task
To initiate the acquisition task
To define physical channels and configure signal properties
7
Which type of LabVIEW loop allows data to pass from one iteration to the next?
Parallel Loop
Timed Loop
While Loop
For Loop
8
What is the advantage of using an event-driven user interface design pattern in LabVIEW?
It increases CPU usage
It makes the code harder to understand
It conserves CPU usage and only responds to events when they occur
It processes all events simultaneously
9
What is the effect of increasing the resolution of an ADC?
Increases the input range
Decreases the number of quantisation levels
Increases the number of quantisation levels
Reduces the input range
10
Why are anti-aliasing filters used before an ADC?
To amplify the signal
To provide higher resolution
To convert analog signals to digital signals
To limit the signal's frequency to below the Nyquist frequency
11
What does CMRR stand for, and why is it important?
Common Mode Rejection Ratio – It measures the gain in signal conditioning
Coherent Mode Rejection Ratio – It controls signal filtering
Common Mode Rejection Ratio – It shows how well an amplifier rejects noise
Current Mode Rejection Ratio – It measures current flow accuracy
12
What LabVIEW structure is used to implement a State Machine?
While Loop + Case Structure + Shift Register
For Loop + Case Structure
While Loop + Shift Register
Case Structure + Shift Register
13
Which LabVIEW control allows you to pass data from one iteration of a loop to the next?
Local Variable
Event Structure
Shift Register
Case Structure
14
What is the effect of aliasing in data acquisition?
It introduces incorrect frequency components in the sampled signal
It improves signal accuracy
It prevents signal noise
It amplifies high-frequency signals
15
Which LabVIEW structure should be used when you need to repeat a section of code until a certain condition is met?
Case Structure
Event Structure
For Loop
While Loop