IT CH 8

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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


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