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Digital-Analog Converter MCQ Questions & Answers

Digital-Analog Converter MCQs : This section focuses on the "Digital-Analog Converter". These Multiple Choice Questions (MCQs) should be practiced to improve the Digital-Analog Converter skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

Light can be considered as a form of digital signal.

A. True
B. False

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Question 2

The highest voltage value of an analog signal is replaced by “logic 1” in digital signal.

A. True
B. False

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Question 3

We cannot store analog data directly.

A. True
B. False

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Question 4

What does PWM stand for?

A. Pulse Width modulation
B. Pulsating Width modulation
C. Pulse Width modulator
D. Pulsating Width modulator

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Question 5

What is the duty cycle of a signal if the ON time of the signal is 0.5 seconds and off time of the signal is 0.5 seconds?

A. 60%
B. 50%
C. 40%
D. 20%

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Question 6

What is the duty cycle of a signal if the ON time of the signal is 0.7 seconds and off time of the signal is 0.3 seconds?

A. 60%
B. 70%
C. 40%
D. 20%

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Question 7

What is the duty cycle of a signal if the pulse width is 0.004 seconds and frequency is 50 hertz?

A. 60%
B. 50%
C. 40%
D. 20%

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Question 8

What is the duty cycle of a signal if the pulse width is 0.008 seconds and frequency is 50 hertz?

A. 60%
B. 50%
C. 40%
D. 20%

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Question 9

What is the duty cycle of a signal if the pulse width is 0.3 seconds and the time period is 0.6 second?

A. 60%
B. 50%
C. 40%
D. 20%

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Question 10

What is the duty cycle of a signal if the pulse width is 0.4 seconds and the time period is 0.8 second?

A. 60%
B. 50%
C. 40%
D. 20%

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Question 11

What is the form in which audio files are stored?

A. Digital
B. Semi-digital
C. Analog
D. Semi-Analog

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Question 12

What is the output of a music player?

A. Digital
B. Semi-digital
C. Analog
D. Semi-Analog

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Question 13

Which conversion takes place when music is played from a memory card?

A. AAC
B. ADC
C. DDC
D. DAC

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Question 14

Which is an example of Digital to Analog converter module?

A. PCF8591
B. TMS320F2809PZA
C. RD-KL25-AGMP01
D. DM388AAARD21

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Question 15

Which of the integrated circuit mentioned below is the name of a Digital to Analog converter?

A. BC541
B. MCP4725
C. TIP122
D. TIP135

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Question 16

The highest voltage value of an analog signal is replaced by “logic 1” in digital signal.

A. True
B. False

View Answer