Interfacing to the Analog World Questions and Answers

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Showing 10 of 85 questions
Q61
An operational amplifier is used as a comparator.
  • A TRUE
  • B FALSE
Answer: Option A
Q62
Resolution in the analog output of a DAC is primarily dependent on the number of input binary bits.
  • A TRUE
  • B FALSE
Answer: Option A
Q63
The primary disadvantage of the flash A/D converter is the large number of comparators required.
  • A TRUE
  • B FALSE
Answer: Option A
Q64
A summing op-amp can be used for DAC.
  • A TRUE
  • B FALSE
Answer: Option A
Q65
A data acquisition system may communicate via two common buses: the data bus and the control bus.
  • A TRUE
  • B FALSE
Answer: Option A
Q66
The time required to complete a conversion cycle is called conversion time.
  • A TRUE
  • B FALSE
Answer: Option A
Q67
Generally speaking, DACs with a current output will have a shorter settling time than those with voltage outputs.
  • A TRUE
  • B FALSE
Answer: Option A
Q68
A D/A converter changes things such as temperature variations into digital quantities.
  • A TRUE
  • B FALSE
Answer: Option B
Q69
If the least significant bit (LSB) of a four-bit binary-weighted resistor D/A converter connects to a 200 resistor, then the resistor needed for the next bit is 100 .
  • A TRUE
  • B FALSE
Answer: Option A
Q70
Flash A/D converters depend on an input clock pulse to perform each conversion.
  • A TRUE
  • B FALSE
Answer: Option B

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