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MCQs

Total Questions : 170 | Page 16 of 17 pages
Question 151. BCD to seven segment conversion is a ________________
  1.    Decoding process
  2.    Encoding process
  3.    Comparing process
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Decoding process
Answer: (a).Decoding process
Question 152. Which of the following is a decoder IC?
  1.    7890
  2.    8870
  3.    4047
  4.    4041
 Discuss Question
Answer: Option B. -> 8870
Answer: (b).8870
Question 153. Invalid BCD can be made to valid BCD by adding with _______________
  1.    0101
  2.    0110
  3.    0111
  4.    1001
 Discuss Question
Answer: Option B. -> 0110
Answer: (b).0110
Question 154. Decoder is constructed from ________________
  1.    Inverters
  2.    AND gates
  3.    Inverters and AND gates
  4.    None of the mentioned
 Discuss Question
Answer: Option C. -> Inverters and AND gates
Answer: (c).Inverters and AND gates
Question 155. DTMF stands for ________________
  1.    Dual Tone Magnetic Frequency
  2.    Double Tone Magnetic Frequency
  3.    Dual Tone Multiple Frequency
  4.    Dual Tone Mechanical Frequency
 Discuss Question
Answer: Option C. -> Dual Tone Multiple Frequency
Answer: (c).Dual Tone Multiple Frequency
Question 156. Successive approximation is slow for large bit application.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 157. Which of the following represents range of frequency measured by ADC?
  1.    Bandwidth
  2.    Threshold frequency
  3.    Peak frequency
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Bandwidth
Answer: (a).Bandwidth
Question 158. Small timing errors in ADC additional to noise is known as ____________
  1.    Jitter
  2.    Aliasing
  3.    Super noise
  4.    None of the mentioned
 Discuss Question
Answer: Option A. -> Jitter
Answer: (a).Jitter
Question 159. Dynamic range of ADC is depended on _______________
  1.    Resolution
  2.    Linearity
  3.    Accuracy
  4.    All of the mentioned
 Discuss Question
Answer: Option D. -> All of the mentioned
Answer: (d).All of the mentioned
Question 160. ENOB in ADC stand for _________________
  1.    Effective number of bytes
  2.    Effective number of bits
  3.    Effective nibble baud
  4.    None of the mentioned
 Discuss Question
Answer: Option B. -> Effective number of bits
Answer: (b).Effective number of bits

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