Exercise: Digital Signal Processing

Questions for: Digital Signal Processing

The dual-slope analog-to-digital converter finds extensive use in ________.
A:
digital voltmeters
B:
function generators
C:
frequency counters
D:
all of the above
Answer: D
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For a 4-bit DAC, the least significant bit (LSB) is ________.
A:
6.25% of full scale
B:
0.625% of full scale
C:
12% of full scale
D:
1.2% of full scale
Answer: A
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An op-amp has very ________.
A:
high voltage gain
B:
high input impedance
C:
low output impedance
D:
all of the above
Answer: D
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Which term applies to the maintaining of a given signal level until the next sampling?
A:
Holding
B:
Aliasing
C:
Shannon frequency sampling
D:
"Stair-stepping"
Answer: A
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In a flash analog-to-digital converter, the output of each comparator is connected to an input of a ________.
A:
decoder
B:
priority encoder
C:
multiplexer
D:
demultiplexer
Answer: B
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