3. • Digital-to-analog and analog-to-digital
conversion computer chips .
• The flash memory and ROM components
serve as a storage location for the phone.
• The microprocessor focuses on phone's
display area , keyboard and control signals
(to and from the base station)
4. • The antenna is what allows the cell
phone to connect to the cellular network.
• Touch screen essentially has its own
capacitor, so that every position on the
screen can send its own signal to the
processor.
Mobile case
5. Battery is usually made up of multiple cells
which all contribute to power storage and
output.
The microphone and speaker are the
channels through which the telephone
communicates messages