Digital Communication Quiz

Digital Communication Quiz

University

30 Qs

quiz-placeholder

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Digital Communication Quiz

Digital Communication Quiz

Assessment

Quiz

Others

University

Easy

Created by

John Liwag

Used 2+ times

FREE Resource

30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does PCM primarily do in digital communication?

Changes the shape of an antenna

Converts analog signals to digital signals

Translates digital signals to Morse code

Increases signal noise

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to sample a signal at a high enough rate in PCM?

To make it louder

To avoid signal distortion

To make it colorful

To convert it into text

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What common device uses PCM for audio recording?

Mobile phone

Microwave oven

Bicycle computer

Flashlight

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What determines the quality of a PCM signal?

Signal strength

Sampling rate

Length of the cable

Color of the signal

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an advantage of digital transmission over analog?

It is less affected by noise

It uses more power

It's only for video signals

It's slower

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is synchronization important in digital communication?

To save battery life

To ensure data arrives correctly

To make the signal brighter

To improve sound quality

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of digital transmission?

A conversation over a walkie-talkie

Watching a movie on a DVD

Listening to an old radio broadcast

Reading a book

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