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Consider the following regarding essential functional operations of a digital data acquisition system: 1. Handling of analog signals 2. Converting the data to digital form and handling it 3. Making the measurement 4. Internal programming and telemetry Which of the above are valid in the stated context?

Consider the following regarding essential functional operations of a digital data acquisition system: 1. Handling of analog signals 2. Converting the data to digital form and handling it 3. Making the measurement 4. Internal programming and telemetry Which of the above are valid in the stated context? Correct Answer 1, 2 and 3 only

Digital data acquisition system:

It is used to process a sampling signal which is used to measure real analog signal and convert it into a digital signal for further processing.

  • The data acquisition systems, which can be operated with analog signals are known as analog data acquisition systems.
  • The data acquisition systems, which can be operated with digital signals are known as digital data acquisition systems. So, they use digital components for storing or displaying the information.
  • Analog data acquisition system gives a wide range at bandwidth, and it can be used if lower accuracy can be tolerated.
  • Digital data acquisition system is in general more complex than analog and it gives a narrow range of bandwidth but has high accuracy and lower channel cost.

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