IT CH 8
Smart phone
A(n) _________ is a new class of digital communication device that provides an organizer, cell phone, digital camera, access to e-mail, Internet access, and short message service.
Only a few ________ satellites are needed for global coverage.
GEO
________ satellites have the largest footprint.
GEO
MEO
GPS are supported by _________ satellites
E-parking apps are an example of ________
L-Commerce
________ satellites have the smallest footprint.
LEO
A moderate number of ________ satellites are needed for global coverage.
MEO
The major types of wireless media are:
Microwave, satellite, radio, and infrared.
T/F A mobile wallet is an app used for making financial transactions.
TRUE
T/F A moderate number of MEO satellites are needed for global coverage.
TRUE
T/F Cell phones in the US must have a GPS embedded in them so that the location of a person making a 911 call can be detected immediately.
TRUE
T/F E-parking apps are illegal in some large cities because those companies charged for something they did not own, free public parking.
TRUE
T/F If your refrigerator is connected to the internet so that it can automatically re-order milk for you, this is an example of the IoT.
TRUE
T/F IoT means everyday objects can be connected to the internet.
TRUE
T/F Microwave and satellite transmission systems must receive and transmit data through line of sight.
TRUE
T/F Modern smartphones exhibit a process called dematerialization.
TRUE
T/F Project Fi brings wireless services to more than 120 countries worldwide.
TRUE
T/F Wireless is a term used to describe telecommunications in which electromagnetic waves carry the signal between communicating devices.
TRUE
low earth orbit
Which type of satellite has the shortest orbital life?
Dematerialization
________ occurs when the functions of many physical devices are included in one other physical device.
Microwave
________ transmission systems are relatively inexpensive but must have unobstructed line of sight.
Radio
________ transmission systems have signals that pass through walls but they are susceptible to snooping unless encrypted.
The loT
_________ is a system in which any object, natural or manmade, has a unique identity and is able to send and receive information over a network without human interaction.
RFID was developed to replace ________.
bar codes
The major problem with RFID has been:
expense
Which type of satellite requires the highest number of satellites to cover the earth?
low earth orbit
Wi-Fi networks are typically classified as _________ wireless networks
medium-range
Suppose you use your university's computer lab to print your research papers. If this computer lab contains laptop computers that use a Wi-Fi hotspot to connect to the printer in the center of the room, it is a ________ lab.
mobile and wireless
The technology that uses radio waves to identify individual items is:
radio-frequency identification (RFID)
Suppose you use your university's computer lab to print your research papers. If this computer lab contains desktop computers that use a Wi-Fi hotspot to connect to the printer in the center of the room, it is a ________ lab.
wireless