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Which of the following digital image formats compresses the image file?


A) PDF
B) WAV
C) JPEG
D) MPEG

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GPS stands for ________.

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global pos...

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Tablets are available with either wi-fi services or both wi-fi and ________ services.

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cellular
4...

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VoIP can be considered an alternative to a traditional landline phone service.

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________ devices can communicate with each other with a single tap.

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NFC
Near f...

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VoIP uses ________ technology similar to email to transmit voice over the internet.


A) digital
B) analog
C) binary
D) IP

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Many mobile devices include a mini- ________ port.


A) USB
B) parallel
C) serial
D) firewire

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A

Match each of the following terms to its definition:

Premises
telephony
codec
analog-to-digital converter
mobile switching center
digital signal processor
Responses
compresses cell phone data for easy transmission
central location to which a base station transfers a cell phone service request
the use of equipment to provide voice communications over a distance
changes your voice's sound waves into digital signals
rule using hardware or software that compress audio and video information

Correct Answer

telephony
the use of equipment to provide voice communications over a distance
codec
rule using hardware or software that compress audio and video information
analog-to-digital converter
changes your voice's sound waves into digital signals
mobile switching center
central location to which a base station transfers a cell phone service request
digital signal processor
compresses cell phone data for easy transmission

VoIP stands for Voice over Internet Protocol.

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When using a cell phone, a(n)________ converter chip changes your voice's sound waves into digital signals.

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analog-to-digital analog to digital

A(n) ________ converts your voice's sound waves into digital signals.


A) digital signal processor
B) analog-to-digital converter chip
C) mobile switching center
D) base transceiver station

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Match each of the following terms to its definition:

Premises
data plan
SMS
Bluetooth
resolution
analog
Responses
determines the cost and amount of data transfer for mobile devices
number of data points used to capture an image
text messaging
continuous sound or light waves
uses radio wave to transmit data

Correct Answer

data plan
SMS
Bluetooth
resolution
analog

The Apple iPhone uses iOS, a version of Apple's ________ as its operating system.

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Your mobile device files can be synchronized using ________.


A) a cloud service
B) HDMI
C) a display adapter
D) a secure digital transmission

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Match each of the following terms to its definition:

Premises
MP3
PMP
GPS
MPEG-4
MMS
Responses
technology that allows the sending of text, sound, images, and video clips
portable media player
uses satellites to locate a device
digital music file format
digital video file format

Correct Answer

MP3
PMP
GPS
MPEG-4
MMS

The global positioning system is a network of 21 ________ plus 3 working spares.


A) transponders
B) satellites
C) base stations
D) communicators

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Which of the following is NOT a video file extension?


A) (. Jpg)
B) . mpg
C) .avi
D) .mov

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SMS messages are limited to a maximum of 160 words.

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Digital camera resolution is measured in ________.

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A(n)________ is a rule that squeezes the same audio and video information into less space.

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codec
comp...

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