Mobile Phones

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

• email

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