ADC & DAC Interfacing with 89C51 Microcontroller - MCQs with answers
ADC & DAC Interfacing with 89C51 Microcontroller - MCQs with answers1. Which factors indicate the necessity of sample and hold circuit in the process of analog-to-digital conversion?
a. Instantaneous variation in an input signal
b. Analog-to-digital conversion time
c. Both a & b
d. None of the aboveView Answer / Hide Answer2. Which pin/signal of ADC AD571 interfacing apprises about the accomplishment of data reading in the microcontroller so as to indicate ADC to get ready for the next data sample?
a. BLANK /CONVERT (high)
b. BLANK/DR (low)
c. DATA READY (DR)
d. All of the aboveView Answer / Hide Answer
3. Which errors are more likely to get generated by conversion time and ADC resolution respectively in accordance to the digital signal processing?
ANSWER: a. BLANK /CONVERT (high)
a. Sampling & Quantization Errors
b. Systematic & Random Errors
c. Overload & Underload Errors
d. None of the aboveView Answer / Hide Answer
ANSWER: a. Sampling & Quantization Errors