Technology: Engineering & Design

Chapter 4: Communication Fundamentals

Self-Check Quizzes

1.
Communication serves a variety of purposes. Which communication activity attempts to persuade people of something?
A)giving a factual report
B)telling jokes
C)advertising
D)passing on information
2.
In the early 20th century, cities installed telephone poles and wires. What function did these wires serve in the electronic communication system of telephones?
A)encoder
B)decoder
C)retrieval mechanism
D)communication channel
3.
You compose an e-mail message at your computer. Which part of the e-mail communication system does this activity represent?
A)process
B)feedback
C)output
D)communication channel
4.
Which statement describes the encoding?
A)Electronic pulses are changed into a form that human communicators can understand.
B)A human-created message is changed into electronic signals that can be transmitted.
C)A signal is carried on a communication channel.
D)A communicator works out what he or she wants to say.
5.
Cell phones have provided greater flexibility to communicators, but it has also generated some negative impacts. One such impact would be
A)being able to use a phone almost anywhere.
B)having the security of quick communication in a dangerous situation.
C)hearing someone's cell phone ring during a quiet moment in a concert.
D)being able to request repair service quickly from a disabled car.
6.
Which scenario describes a human-to-machine mode of communication?
A)You click on yes or no in a pop-up question at a Web site.
B)In an incoming phone call, a recorded message urges you to vote for a candidate.
C)Your teacher asks you a question, and you respond.
D)Your timer rings, reminding you to take a cake out of the oven.
7.
Traffic signals, such as stop lights and stop signs, make up a specialized communication system. Their purpose is to
A)entertain.
B)persuade.
C)control.
D)manage.
8.
On your computer screen, you see an error message stating that transmission of your e-mail has failed. What part of the communication system does this error message represent?
A)feedback
B)output
C)process
D)input
9.
You are at an ATM. As you take out your cash, a recorded voice says, "Thank you for banking with us." Which mode of communication does this scenario represent?
A)machine to machine
B)human to machine
C)human to human
D)machine to human
10.
A to-do list posted on the refrigerator represents what part of a communication system?
A)feedback
B)process
C)input
D)output
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