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21: Test Your Knowledge
Information and communication technologies are the systems and/or products that extend the ability to collect, analyze, store, manipulate, receive, and _____ information or data.
Communication is often used to convey ideas, exchange information, and express _____.
What is meant by the term
infotainment
?
True or False?
All communication systems have transmitters, channels, and receivers.
A. True
B. False
An unwanted sound or signal is called _____.
List the four categories of communication based on the source and receiver.
_____ is the process of communicating information at a distance.
The term _____ is used to describe electrons flowing in one direction along a conductor.
True or False?
A digital signal is a continuous electronic signal carrying information in the form of variable physical values.
A. True
B. False
List the two major types of telecommunication systems.
Name the two common types of computer networks.
What is a
modem
?
What do the two sections of an IP address identify?
Define the term
URL
.
True or False?
The prefix
http
in a domain name means the document is on the Web or Internet.
A. True
B. False
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