Media Now Chapter 11 The Third Screen: Smartphones and Tablets
The legislation that enabled law enforcement officials to receive special access ports to digital networks in the telephone central offices was called the:
Communications Assistance for Law Enforcement Act
Software applications for use on smartphones and tablets are called:
apps
The __________ includes the range of electromagnetic radiation frequencies that are used in wireless communication systems.
communication spectrum
__________ services use information about the location of mobile phone users to tailor content to specific locations.
location-based
_________ convert(s) digital data to analog signals and vice versa.
modems
What is the major function of a patent?
to bestow the legal right to make, sell, or use an invention to the inventor
AT&T has historically been one of the largest telecommunications company in the United States.
true
Digital subscriber lines send high-speed data over existing phone lines.
true
M-commerce refers to electronic shopping conducted over smart phones and tablets.
true
Marconi's wireless telegraph was a direct influence on the development of the cellular phone.
true