Question 1

What do modulated signals convey?

Accepted Answer

A) Information 
B) Voltage 
C) Noise 
D) Power 
A) Information 
B) Voltage 
C) Noise 
D) Power

Question 2

What agency in the United States has been given the authority to establish and enforce regulations regarding the use of radio transmitters and other generators of radio-frequency energy?

Accepted Answer

A) Transport and Communications Ministry 
B) Federal Communications Commission (FC
C)  
C) International Telecommunication Union (ITU) 
D) Bell Laboratories 
A) Transport and Communications Ministry 
B) Federal Communications Commission (FC
C)  
C) International Telecommunication Union (ITU) 
D) Bell Laboratories

Question 3

Which of the following did French mathematician Jean Baptiste Joseph Fourier develop?

Accepted Answer

A) A means to break down any periodic waveform into a series of sine and/or cosine waves at multiples of the fundamental frequency. 
B) He created thermal interactions between free electrons and vibrating ions in a conductor. 
C) The formula for calculating shot noise contributed for a complete transistor. 
D) The relative measure of the desired signal power to the noise power. 
A) A means to break down any periodic waveform into a series of sine and/or cosine waves at multiples of the fundamental frequency. 
B) He created thermal interactions between free electrons and vibrating ions in a conductor. 
C) The formula for calculating shot noise contributed for a complete transistor. 
D) The relative measure of the desired signal power to the noise power.

Question 4

What is the function of a transducer?

Accepted Answer

A) Displays waveforms in the time domain 
B) Converts energy from one form to another 
C) Allows for spectrum analysis to be accomplished relatively easily in software 
D) Supplies test signal at the input of a circuit 
A) Displays waveforms in the time domain 
B) Converts energy from one form to another 
C) Allows for spectrum analysis to be accomplished relatively easily in software 
D) Supplies test signal at the input of a circuit

Question 5

Which of the following could cause a complete failure in a piece of equipment?

Accepted Answer

A) Sporadic circuit operation 
B) Open power resistors 
C) Poor soldering 
D) Poor alignment 
A) Sporadic circuit operation 
B) Open power resistors 
C) Poor soldering 
D) Poor alignment

What do modulated signals convey?

What agency in the United States has been given the authority to establish and enforce regulations regarding the use of radio transmitters and other generators of radio-frequency energy?

Which of the following did French mathematician Jean Baptiste Joseph Fourier develop?

What is the function of a transducer?

Which of the following could cause a complete failure in a piece of equipment?

Amplitude Modulation

Angle Modulation

Communications Circuits

Transmitters

Receivers

Digital Communications Techniques

Digital Modulation and Demodulation

Telephone Networks

Wireless Communications Systems

Computer Communication and the Internet

Transmission Lines

Wave Propagation

Antennas

Waveguides and Radar

Fiber Optics

Filters

Exam 1: Fundamental Communications Concept

What do modulated signals convey?

What agency in the United States has been given the authority to establish and enforce regulations regarding the use of radio transmitters and other generators of radio-frequency energy?

Which of the following did French mathematician Jean Baptiste Joseph Fourier develop?

What is the function of a transducer?

Which of the following could cause a complete failure in a piece of equipment?

Amplitude Modulation

Angle Modulation

Communications Circuits

Transmitters

Receivers

Digital Communications Techniques

Digital Modulation and Demodulation

Telephone Networks

Wireless Communications Systems

Computer Communication and the Internet

Transmission Lines

Wave Propagation

Antennas

Waveguides and Radar

Fiber Optics

Filters