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18 questions
A cellular phone (or mobile phone) is designed to give the user freedom of __________ while using a telephone.
antenna
movement
signals
lines
It uses ________ signals to communicate between the phone and the antenna.
emails
radio
signals
lines
The server area is divided into smaller areas called cells and an antenna is placed within each cell and connected by telephone _____________.
photos
radio
signals
lines
These lines connect cellular phones to one another: a _____________ selects the antenna closest to the telephone when a call is made.
robot
radio
computer
person
If the phone moves to one serving cell to another, the radio signal is transferred to the actual cell without interrupting the _____________.
signal
conversation
radio
person
The circuit board is the heart of the system. A chip translates the outgoing and incoming ________ from
analogue to digital and back from digital to analogue.
signals
sound
radio
The microprocessor handles all the _________ for the keyboard, the display and the loudspeakers, and it controls the signal to the base station.
signals
sound
radio
functions
Other flash memory chips provide ___________ for the operating system.
storage
sound
radio
functions
Mobile phones use radio signals to communicate.
TRUE
FALSE
The server area is divided into smaller areas called stations.
TRUE
FALSE
An antenna is placed every two or three cells.
TRUE
FALSE
Communication with a mobile within a cell is independent from the base station.
TRUE
FALSE
There are interruptions when you move to one cell to another.
TRUE
FALSE
The antenna is the heart of the system .
TRUE
FALSE
The signal must be translated.
TRUE
FALSE
The flash memory handles all the functions.
TRUE
FALSE
Loudspeakers are controlled by the microprocessor.
TRUE
FALSE
You can text and send emails with your mobile phone.
TRUE
FALSE
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