Exercise: Interfacing To The Analog World

Questions for: Interfacing To The Analog World

________ DACs produce both positive and negative output values.
A:
Tristate
B:
Double
C:
Bipolar
D:
Unilateral
Answer: C
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For each bit that is added to a digital ramp ADC, the conversion time ________.
A:
doubles
B:
triples
C:
decreases by one-third
D:
decreases by one-half
Answer: A
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A signal ________ is produced by sampling the signal at a rate less than the minimum rate identified by Nyquist.
A:
Nyquist
B:
sampling frequency
C:
basis
D:
alias
Answer: D
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The DSO ________, ________, and ________ analog waveforms.
A:
filters, conditions, sends
B:
levels, stores, weighs
C:
sends, receives, translates
D:
digitizes, stores, displays
Answer: C
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The primary disadvantage of the simultaneous A/D converter is ________.
A:
that it requires the input voltage to be applied to the inputs simultaneously
B:
the long conversion time required
C:
the large number of output lines required to simultaneously decode the input voltage
D:
the large number of comparators required to represent a reasonable-sized binary number
Answer: D
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