DCCN-Chapt-2 - Quiz

DCCN-Chapt-2 - Quiz

University

40 Qs

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DCCN-Chapt-2 - Quiz

DCCN-Chapt-2 - Quiz

Assessment

Quiz

Computers

University

Practice Problem

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40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the key difference between analog and digital data?

Digital data is always periodic

Analog data is stored as 0s and 1s
Digital data cannot be transmitted over a medium

Analog data is continuous, while digital data has discrete states

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is true for a sine wave signal?

A combination of different frequencies
A simple periodic analog signal that cannot be decomposed further
A signal that is always digital
A non-periodic analog signal

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How is frequency defined in relation to period?

Frequency is the inverse of period
Frequency and period are independent of each other
Period is the square of frequency
Frequency is always greater than period

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the unit of frequency in the SI system?

Hertz

Volt

Newton
Ohm

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How is phase measured in signal analysis?

In meters or centimeters

In hertz or seconds
In volts or amperes

In degrees or radians

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What happens when a signal does not change at all over time?

It has zero frequency

It has an infinite frequency

It has a frequency of 1 Hz
It does not exist as a signal

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What does a frequency-domain plot primarily show?

Changes in signal amplitude over time
Relationship between amplitude and frequency
Relationship between phase and period
The number of data packets in transmission

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