Digital Signal Processing - General Questions Online Exam Quiz
Digital Signal Processing - General Questions GK Quiz. Question and Answers related to Digital Signal Processing - General Questions. MCQ (Multiple Choice Questions with answers about Digital Signal Processing - General Questions
In a flash analog-to-digital converter, the output of each comparator is connected to an input of a ________.
Options
A : decoder
B : priority encoder
C : multiplexer
D : demultiplexer
Which term applies to the maintaining of a given signal level until the next sampling?
Options
A : Holding
B : Aliasing
C : Shannon frequency sampling
D : "Stair-stepping"
An op-amp has very ________.
Options
A : high voltage gain
B : high input impedance
C : low output impedance
D : all of the above
For a 4-bit DAC, the least significant bit (LSB) is ________.
Options
A : 6.25% of full scale
B : 0.625% of full scale
C : 12% of full scale
D : 1.2% of full scale
The dual-slope analog-to-digital converter finds extensive use in ________.
Options
A : digital voltmeters
B : function generators
C : frequency counters
D : all of the above
The ADC0804 is an example of a ________.
Options
A : single-slope analog-to-digital converter
B : dual-slope analog-to-digital converter
C : digital-ramp analog-to-digital converter
D : successive-approximation analog-to-digital converter
In a digital representation of voltages using an 8-bit binary code, how many values can be defined?
Options
A : 16
B : 64
C : 128
D : 256
A 4-bit R/2R ladder digital-to-analog converter uses ________.
Options
A : one resistor value
B : two resistor values
C : three resistor values
D : four resistor values
A binary-weighted-input digital-to-analog converter has a feedback resistor, R f , of 12 k . If 50 A of current is through the resistor, voltage out of the circuit is ________.
Options
A : 0.6 V
B : –0.6 V
C : 0.1 V
D : –0.1 V
The resolution of a 6-bit DAC is ________.
Options
A : 63%
B : 64%
C : 15.9%
D : 1.59%
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