Single Channel Data Acquisition System MCQ’s

Electrical Measurements Electronics & Communication Engineering

This set of Electrical Measurements Multiple Choice Questions & Answers (MCQs) focuses on “Single Channel Data Acquisition System”.

1. A/D conversion rate is __________
a) variable
b) predefined
c) zero
d) constant

2. The buffer output is ________
a) analog
b) zero
c) digital
d) mixed mode

3. A single channel data system consists of a signal conditioner, A/D converter and a buffer.
a) True
b) False

4. Which is the best example of a single channel data acquisition system?
a) CPM
b) BPM
c) APM
d) DPM

5. A/D converters can’t be used for low frequency ranges.
a) True
b) False

6. What is pre-amplification?
a) reducing the magnitude of a signal
b) making the magnitude of a signal zero
c) reducing the noise
d) boosting the signal

7. Digital outputs are obtained from _____________
a) A/D converter
b) D/A converter
c) Oscilloscope
d) Voltage source

8. Which technique is most widely used in the single channel data acquisition system?
a) Counter type approximation
b) Flash approximation
c) Successive approximation
d) Delta Sigma approximation

9. How can the input be isolated from the system?
a) using optocouplers
b) using op-amps
c) using a capacitor
d) using rectifiers

Leave a Reply

Your email address will not be published. Required fields are marked *