Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

untitled

Total questions: 26

Worksheet time: 13mins

Name
Class
Date
1.

……………………… is the maximum deviation between the actual converter output and the ideal converter output.

a)

Resolution

b)

Accuracy

c)

Settling Time

d)

Monotonicity

2.

A DAC IS

a)

DIGITAL TO ANAGOG COMPUTER

b)

data accumulator converter

c)

None

d)

Digital to Analog converter

3.

An ________takes in analog continuous signal and converts it into corresponding digital signal

a)

ADC

b)

DAC

c)

NONE

d)

VAC

4.

_________convert digital sampled values to a continuous physical entity.

a)

DAC

b)

ADC

c)

NONE

d)

ADI

5.

A smoke alarm is an example of a

a)

monitoring system

b)

control system

c)

monitoring and control system

6.

The temperature of your room is an example of

a)

analogue data

b)

digital data

7.

……………………… is the maximum deviation between the actual converter output and the ideal converter output.

a)

Resolution

b)

Accuracy

c)

Settling Time

d)

Monotonicity

8.

……………….is used as a voltage follower to prevent loading

a)

Buffer

b)

operational amplifier

c)

DAC

d)

Ladder resistors

9.

In DAC, If all the bits are 1 then the output voltage is equal to ………..

a)

+5V

b)

Vref

c)

Sum of the product of positional weight and 1

10.

One Advantage of R-2R Ladder type DAC is needs only 2 resistor values

a)

True

b)

False

11.

One disadvantage of Binary Weighted Resistor type DAC is needs only 2 resistor values

a)

True

b)

False

12.

What is the Primary disadvantage of the Flash analog to digital converter (ADC)?

a)

It requires the input voltage to be applied to the inputs simultaneously

b)

a long conversion time is required

c)

a large number of output lines is required to simultaneously decode the input voltage

d)

a large number of compactors is required to represent a reasonable sized binary number

13.

___ is an input device that provides an output (signal) with respect to a specific physical quantity (input).

a)

transmitter

b)

signal

c)

sensor

d)

IoT

14.

Which of these do not require any external power signal and directly generates output response?

a)

Sensors

b)

Passive Sensors

c)

Active Sensors

d)

Microcontroller

15.

Which of the following represents range of frequency measured by ADC?

a)

None of the answers

b)

Threshold Frequency

c)

Peak Frequency

d)

Bandwidth

16.

Typical conversion speed of ADC is_______________.

a)

Less than 100 microseconds

b)

Less than 500 microseconds

c)

Less than 1 microseconds

d)

Greater than 1000 microseconds

17.

Which of the following method is employed for ADC?

a)

Successive approximation type

b)

Ladder network

c)

None of the answers

d)

PWM type

18.

Successive approximation is slow for large bit application

a)

False

b)

True

c)

either True or False

d)

None of the answer

19.

Which of the following type output is provided by ADC?

a)

Both serial and parallel type

b)

None of the answers

c)

Parallel type

d)

Serial type

20.

Small timing errors in ADC additional to noise is known as ________.

a)

Aliasing

b)

None of the answer

c)

jitter

d)

Super noise

21.

Which of the following are used in DAC?

a)

Ladder Network

b)

Successive approximation technique

c)

Both Ladder and successive approximation technique

d)

None of the answers

22.

ADC input is sampled

a)

Nyquist Rate

b)

Newton Rate

c)

Ohm's Rate

d)

Lens Rate

23.

________ analog-to-digital converters (ADCs) use no clock signal, because there is no timing or sequencing required.

a)

Actuator

b)

Dual

c)

Flash

d)

Successive approximation

24.

________ analog-to-digital converters (ADCs) have a fixed value of conversion time that is not dependent on the value of the analog input.

a)

Flash

b)

Dual

c)

Recessive approximation

d)

Successive approximation

25.

The problems of the binary-weighted resistor digital-to-analog converter (DAC) can be overcome by using ___________.

a)

an 8-bit binary-weighted resistor DAC

b)

an R/2R ladder DAC

c)

a staircase DAC

d)

a flash DAC

26.

A binary-weighted resistor used in a digital-to-analog converter (DAC) is only practical up to a resolution of ________.

a)

10 bits

b)

2 bits

c)

8 bits

d)

4 bits