Worksheetsuntitled
Total questions: 26
Worksheet time: 13mins
……………………… is the maximum deviation between the actual converter output and the ideal converter output.
Resolution
Accuracy
Settling Time
Monotonicity
A DAC IS
DIGITAL TO ANAGOG COMPUTER
data accumulator converter
None
Digital to Analog converter
An ________takes in analog continuous signal and converts it into corresponding digital signal
ADC
DAC
NONE
VAC
_________convert digital sampled values to a continuous physical entity.
DAC
ADC
NONE
ADI
A smoke alarm is an example of a
monitoring system
control system
monitoring and control system
The temperature of your room is an example of
analogue data
digital data
……………………… is the maximum deviation between the actual converter output and the ideal converter output.
Resolution
Accuracy
Settling Time
Monotonicity
……………….is used as a voltage follower to prevent loading
Buffer
operational amplifier
DAC
Ladder resistors
In DAC, If all the bits are 1 then the output voltage is equal to ………..
+5V
Vref
Sum of the product of positional weight and 1
One Advantage of R-2R Ladder type DAC is needs only 2 resistor values
True
False
One disadvantage of Binary Weighted Resistor type DAC is needs only 2 resistor values
True
False
What is the Primary disadvantage of the Flash analog to digital converter (ADC)?
It requires the input voltage to be applied to the inputs simultaneously
a long conversion time is required
a large number of output lines is required to simultaneously decode the input voltage
a large number of compactors is required to represent a reasonable sized binary number
___ is an input device that provides an output (signal) with respect to a specific physical quantity (input).
transmitter
signal
sensor
IoT
Which of these do not require any external power signal and directly generates output response?
Sensors
Passive Sensors
Active Sensors
Microcontroller
Which of the following represents range of frequency measured by ADC?
None of the answers
Threshold Frequency
Peak Frequency
Bandwidth
Typical conversion speed of ADC is_______________.
Less than 100 microseconds
Less than 500 microseconds
Less than 1 microseconds
Greater than 1000 microseconds
Which of the following method is employed for ADC?
Successive approximation type
Ladder network
None of the answers
PWM type
Successive approximation is slow for large bit application
False
True
either True or False
None of the answer
Which of the following type output is provided by ADC?
Both serial and parallel type
None of the answers
Parallel type
Serial type
Small timing errors in ADC additional to noise is known as ________.
Aliasing
None of the answer
jitter
Super noise
Which of the following are used in DAC?
Ladder Network
Successive approximation technique
Both Ladder and successive approximation technique
None of the answers
ADC input is sampled
Nyquist Rate
Newton Rate
Ohm's Rate
Lens Rate
________ analog-to-digital converters (ADCs) use no clock signal, because there is no timing or sequencing required.
Actuator
Dual
Flash
Successive approximation
________ analog-to-digital converters (ADCs) have a fixed value of conversion time that is not dependent on the value of the analog input.
Flash
Dual
Recessive approximation
Successive approximation
The problems of the binary-weighted resistor digital-to-analog converter (DAC) can be overcome by using ___________.
an 8-bit binary-weighted resistor DAC
an R/2R ladder DAC
a staircase DAC
a flash DAC
A binary-weighted resistor used in a digital-to-analog converter (DAC) is only practical up to a resolution of ________.
10 bits
2 bits
8 bits
4 bits
