1. . Value of a digital quantity has:
(A) two states
(B) three states
(C) one state
(D) all of these
2. . A device that converts non-electrical quantities into electrical quantities:
(A) Amplifier
(B) Oscillator
(C) Transducer
(D) Rectifier
3. . One of the following is a transducer:
(A) Rectifier
(B) Solar cell
(C) Amplifier
(D) Diode
4. . A circuit that converts analog quantity to digital quantity is called:
(A) A/D converter
(B) D/A converter
(C) Oscillator
(D) a and b
5. . A circuit that converts digital quantity to analog quantity is called:
(A) A/D converter
(B) D/A converter
(C) Oscillator
(D) a and b
6. . Resistor values of weighted resistor DAC represents:
(A) Decimal weight of input binary code
(B) Binary weight of input binary code
(C) both a and b
(D) None of above
7. . Temperature is a quantity:
(A) Digital
(B) Analog
(C) Universal
(D) none of these
8. . Digital numbers are also called:
(A) Decimal
(B) Hexadecimal numbers
(C) Octal numbers
(D) Binary numbers
9. . The information that exists in real world are:
(A) Digital
(B) Analog
(C) Universal
(D) none of these
10. . Basic types of DAC are:
(A) two
(B) three
(C) four
(D) all are correct
11. . 𝑅𝑓 is a Resistor called as:
(A) Forward Resistor
(B) Feedback Resistor
(C) Input Resistor
(D) None of these
12. . We use digital switches with:
(A) Input Resistors
(B) Feedback Resistor
(C) both a and b
(D) None of these
13. . Basic disadvantage of Binary weighted resistor DAC is:
(A) Required more accurate resistors
(B) High in cost
(C) High in weight
(D) All of these
14. . Continuous time varying signal is also called:
(A) Analog signal
(B) Digital signal
(C) Accurate signal
(D) None of these
15. . Discrete time signal is also called:
(A) Analog signal
(B) Digital signal
(C) Accurate signal
(D) None of these
16. . Basic types of ADC are:
(A) two
(B) three
(C) five
(D) all are correct
17. . SAR stands for:
(A) Successive Approximation Register
(B) Super Approximation Register
(C) Slow Approximation Register
(D) Slow Avalanche Resistor
18. . Comparator used in:
(A) ADC
(B) DAC
(C) Both a and b
(D) None of these
19. . AAF stands for:
(A) Analog-aliasing filtering
(B) Anti-aliasing filtering
(C) Analog AND Flip flop
(D) None of these
20. . The analog input of most ADCs is:
(A) 10 V
(B) 15 V
(C) 20 V
(D) 5 V