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Digital Communication Quiz

Authored by VVi O

Computers

University

Used 1+ times

Digital Communication Quiz
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50 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does digital-to-analog conversion involve?

Changing binary data into pulse code

Changing characteristics of an analog signal

Using analog data for digital output

None of the above

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which of the following is not a characteristic of an analog signal?

Amplitude

Phase

Frequency

Bit rate

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the smallest unit of data in digital communication?

Signal element

Data element

Carrier

Phase unit

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A signal element can represent:

Only 1 bit

A byte

One or more bits

Only analog data

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Baud rate refers to:

Bits per second

Signal elements per second

Amplitude per second

Number of frequencies used

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does the variable L represent in analog transmission?

Signal rate

Bit depth

Number of distinct signal elements

Bandwidth

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the formula for r in the equation S=N/r?

r=2L

r=log2L

r=N×L

r=L

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