This set of Embedded Systems Multiple Choice Questions & Answers (MCQs) focuses on “Errors of ADC technique”.

1. Which signal is sampled at regular intervals for the purpose of ADC?**a) analog signal**

b) digital signal

c) quantised signal

d) sampled signal

2. Which factor depends on the quantisation error?

a) number of error**b) number of bits**

c) size of error

d) conversion process

3. Which is the first type of error caused during the conversion process?

a) sampling error

b) interrupt signal

c) counter error**d) quantisation error**

4. Which of the following defines the number of samples that are taken in the time period?

a) sample size

b) sample nature**c) sample rate**

d) sample frequency

5. Which of the following can determine the speed of conversion device itself?**a) sample rate**

b) sampled data

c) sample size

d) sample nature

6. Which of the following can determine the maximum frequency that can be converted?

a) sample frequency**b) sample rate**

c) sample size

d) sample nature

7. Which term determines the random timing error?**a) jitter**

b) quantisation error

c) sample error

d) delay

8. Which of the following introduce a phase error?**a) conversion time**

b) sampling rate

c) sample size

d) sample nature

9. Which of the following can generate an interrupt?**a) timer**

b) trigger

c) delay

d) counter

10. Which filter is used for filtering out the high frequency components?

a) bandpass filter

b) band reject filter**c) analogue filter**

d) digital filter

11. Which theorem describes the sampling rate with the frequency of the analogue signal?**a) Nyquist theorem**

b) Bayes theorem

c) Sampling theorem

d) Parseval’s theorem