When was the World Wide Web created, and when was it released to the public?

Created in 1991, released to public in 1994.

Created in 1990, released to public in 1993.

Created in 1989, released to public in 1991.

Created in 1993, released to public in 1995.

What is the key difference between wired and wireless communication?

Wired uses physical cables, wireless uses electromagnetic waves.

Wired is always faster than wireless.

Wireless is always more secure than wired.

Wired uses light waves, while wireless uses sound waves.

What year saw the introduction of optical fiber technology, and what was its impact on wired networks?

1970; revolutionized wired networks with high-speed data.

1990; it made wired networks obsolete.

1960; it slowed down data transmission.

1980; it only impacted wireless networks.

What is a transmitter in a communication system?

A device that converts info into a signal for transmission.

A device that removes noise from a signal.

A device that receives signals.

What is the communication channel, and what are some examples of media it utilizes?

The physical medium that carries the signal; cables or air.

The source of the message; a person speaking.

The process of encoding a message; a microphone.

The destination of the message; a receiver.

Define signal attenuation.

The loss of signal strength as it travels through a medium.

The strengthening of a signal over distance.

The addition of noise to a signal.

The conversion of a signal from analog to digital.

What is noise in a communication system?

Any unwanted signal that interferes with the desired signal.

The intended information being transmitted.

The process of amplifying a signal.

How are electronic communication systems classified?

By direction of info flow and type of transmission.

By the number of users and power consumption.

Which of the following is an example of a simplex communication system?

A two-way radio conversation where only one person speaks.

What is the difference between full duplex and half duplex communication?

Full duplex: both simultaneously; half duplex: both, one at a time.

Half duplex is faster than full duplex.

Full duplex: one direction; half duplex: both simultaneously.

Full duplex for short, half duplex for long distances.

What is the electromagnetic spectrum, and what are the three types of light waves that exist in the optical spectrum?

The range of EM radiation; Infrared, Visible, and Ultraviolet.

The range of electrical currents; AC, DC, and Pulsed.

The range of sound waves; X-rays, Gamma rays, and UV light.

The range of mechanical waves; Longitudinal, Transverse, Surface.

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Authored by Marlo Malaluan

Engineering

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20 questions

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MULTIPLE CHOICE QUESTION

10 sec • 5 pts

According to the module, what is the definition of communication?

The act of shouting loudly to be heard.

The one-way transfer of data.

The process of conveying info, ideas, or feelings to achieve und

The process of transmitting signals without any meaning.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

What are considered the main barriers to communication mentioned in the text?

Noise, distance, and signal attenuation.

Language differences and cultural misunderstandings.

Lack of interest and attention.

Technology and internet speed.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Which of the following are examples of electrical innovations in communication?

Facial expressions and body language.

Smoke signals and drum beats.

Carrier pigeons and handwritten letters.

Telegraph and telephone.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

How did communication systems evolve from early forms?

From wireless communication to wired communication.

From basic non-electrical methods to electrical and then digital.

From sophisticated digital networks to simpler forms.

From digital networks directly to analog systems.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Who invented the telegraph, and when was it invented?

Philo Farnsworth in 1927.

Alexander Graham Bell in 1876.

Samuel Morse in 1837.

Guglielmo Marconi in 1901.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

When was the first electronic television created, and by whom?

1837 by Samuel Morse.

1901 by Guglielmo Marconi.

1927 by Philo Farnsworth.

1876 by Alexander Graham Bell.

MULTIPLE CHOICE QUESTION

10 sec • 5 pts

Who is recognized as the first person to send an electronic message, and in what year did this occur?

Samuel Morse in 1837.

Stephen Grey in 1729.

Alexander Graham Bell in 1876.

Guglielmo Marconi in 1901.

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FunCom_Mod1_Quiz

According to the module, what is the definition of communication?

What are considered the main barriers to communication mentioned in the text?

Which of the following are examples of electrical innovations in communication?

How did communication systems evolve from early forms?

Who invented the telegraph, and when was it invented?

When was the first electronic television created, and by whom?

Who is recognized as the first person to send an electronic message, and in what year did this occur?

When was the World Wide Web created, and when was it released to the public?

FM Radio broadcasting frequencies is located at what range from the electromagnetic spectrum?

What is the key difference between wired and wireless communication?

Access all questions and much more by creating a free account

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