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Analog To Digital 2: Answer: Explanation

The document discusses the process of converting analog signals to digital signals. It states that digitizing a signal converts it from analog to digital, not digital to analog. It also notes that in digital circuits, information is represented by a coded group of pulses consisting of high and low voltages, rather than continuously variable voltages. Most of the questions provided are multiple choice questions testing understanding of these concepts.

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129 views3 pages

Analog To Digital 2: Answer: Explanation

The document discusses the process of converting analog signals to digital signals. It states that digitizing a signal converts it from analog to digital, not digital to analog. It also notes that in digital circuits, information is represented by a coded group of pulses consisting of high and low voltages, rather than continuously variable voltages. Most of the questions provided are multiple choice questions testing understanding of these concepts.

Uploaded by

Via Marie Mesa
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Analog to Digital 2

1. Digitizing a signal converts it from digital to analog.


A. True

B. False
Answer: Option B
Explanation:
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2. The voltages in digital electronics are continuously variable.


A. True

B. False
Answer: Option A
Explanation:
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3. In digital electronic circuits, information is first converted to a coded group of pulses.


A. True

B. False
Answer: Option A
Explanation:
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4. Digital systems using the 10-state system are more accurate than those using the two-state
system.
A. True

B. False
Answer: Option B
Explanation:
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5. The decimal code system used ten levels of voltage.


A. True

B. False
Answer: Option A
Explanation:
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6. Most of the input signals applied to a computer for storage or processing are digital in nature.
A. True

B. False
Answer: Option B
Explanation:
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7. The coded group of pulses in a digital electronic circuit consists of a series of HIGH and LOW
voltages.
A. True

B. False
Answer: Option A
Explanation:
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1. A data conversion system may be used to interface a digital computer system to _________.
A. an analog output device

B. a digital output device

C. an analog input device

D. a digital printer
Answer: Option A
Explanation:
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2. Sensor outputs destined for a digital computer system must first be processed by __________.
A. a DAC

B. an ADC

C. the MPU

D. a PLD
Answer: Option B
Explanation:
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