1.
Gain means attenuation.
FALSE
2.
TRUE
3.
FALSE
4.
TRUE
Blooms: 3. Apply Chapter: 02 Electronic Fundamentals for Communications Difficulty: Easy Section: 02.01 Gain, Attenuation, and Decibels Subtopic: Gain, Attenuation, and Decibels Topic: Electronic Fundamentals for Communications
Blo...
,1.
Communication is the process of exchanging information.
TRUE
Blooms: 1. Remember
Chapter: 01 Introduction to Electronic Communication
Difficulty: Easy
Section: 01.01 The Significance of Human Communication
Subtopic: The Significance of Human Communication
Topic: Introduction to Electronic Communication
2
. All electronic communication systems have a transmitter, a communication channel or medium, and a receiver.
TRUE
Blooms: 1. Remember
Chapter: 01 Introduction to Electronic Communication
Difficulty: Easy
Section: 01.02 Communication Systems
Subtopic: Communication Systems
Topic: Introduction to Electronic Communication
3
. A transmitter is a collection of electronic components and circuits that accepts the transmitted message from the
channel and converts it to a form understandable to humans.
FALSE
Blooms: 2. Understand
Chapter: 01 Introduction to Electronic Communication
Difficulty: Easy
Section: 01.02 Communication Systems
Subtopic: Communication Systems
Topic: Introduction to Electronic Communication
4
. Optical media communication channels are only used for video analog signals.
FALSE
Blooms: 2. Understand
Chapter: 01 Introduction to Electronic Communication
Difficulty: Easy
Section: 01.02 Communication Systems
Subtopic: Communication Systems
Topic: Introduction to Electronic Communication
,5.
Examples of transceivers include telephones, fax machines, cellular telephones, and computer modems.
TRUE
Blooms: 2. Understand
Chapter: 01 Introduction to Electronic Communication
Difficulty: Easy
Section: 01.02 Communication Systems
Subtopic: Communication Systems
Topic: Introduction to Electronic Communication
6
. Simplex communication refers to a two-way transmission type system.
FALSE
Blooms: 3. Analyze
Chapter: 01 Introduction to Electronic Communication
Difficulty: Easy
Section: 01.03 Types of Electronic Communication
Subtopic: Types of Electronic Communication
Topic: Introduction to Electronic Communication
7
. An analog signal is a smoothly and continuously varying voltage or current.
TRUE
Blooms: 1. Remember
Chapter: 01 Introduction to Electronic Communication
Difficulty: Medium
Section: 01.03 Types of Electronic Communication
Subtopic: Types of Electronic Communication
Topic: Introduction to Electronic Communication
8
. Multiplexing makes the information signal more compatible with the medium.
FALSE
Blooms: 2. Understand
Chapter: 01 Introduction to Electronic Communication
Difficulty: Medium
Section: 01.04 Modulation and Multiplexing
Subtopic: Modulation and Multiplexing
Topic: Introduction to Electronic Communication
, 9.
Modulation is the process of having a baseband voice, video, or digital signal modify another, higher-frequency
signal, the carrier.
TRUE
Blooms: 3. Analyze
Chapter: 01 Introduction to Electronic Communication
Difficulty: Hard
Section: 01.04 Modulation and Multiplexing
Subtopic: Modulation and Multiplexing
Topic: Introduction to Electronic Communication
10.
A modem can be used to translate data from digital to analog and back again.
TRUE
Blooms: 3. Analyze
Chapter: 01 Introduction to Electronic Communication
Difficulty: Hard
Section: 01.04 Modulation and Multiplexing
Subtopic: Modulation and Multiplexing
Topic: Introduction to Electronic Communication
11
. Multiplexing is the process of allowing two or more signals to share the same medium or channel.
TRUE
Blooms: 2. Understand
Chapter: 01 Introduction to Electronic Communication
Difficulty: Hard
Section: 01.04 Modulation and Multiplexing
Subtopic: Modulation and Multiplexing
Topic: Introduction to Electronic Communication
12.
The range of electromagnetic signals encompassing all frequencies is referred to as the optical spectrum.
FALSE
Blooms: 1. Remember
Chapter: 01 Introduction to Electronic Communication
Difficulty: Medium
Section: 01.05 The Electromagnetic Spectrum
Subtopic: The Electromagnetic Spectrum
Topic: Introduction to Electronic Communication
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