Q:

What is a cellphone made of?

A:

According to HowStuffWorks, a cellphone is made of several individual parts, including a circuit board, an antenna, an LCD display, a keyboard, a microphone, a speaker and a battery. Although cellphones are intricately designed devices, these are their most basic components. A cellphone combines these internal components in a durable plastic casing. Although the design of cellphones vary, the primary internal components remain the same.

HowStuffWorks explains that the circuit board is the brain of a cellular phone. This component incorporates conversions chips that are used to convert the outgoing and incoming audio signals. The circuit board also has a microprocessor that handles the keyboard, display screen and command functions of the mobile device.

Older cellphone designs had antennas on the outside of the device. However, current designs use an internal antenna. This is also true for the cell phone's battery. Over the course of the cellphone's history, the battery life potential of the devices has increased considerably. Modern cell phones use internal speakers and microphones that receive and reproduce sound well. During their early years, these electronic components were only available in very large sizes. However, technological advancements have led to the ability to make these components in smaller sizes that can fit securely inside handheld devices.


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