Friday, October 24, 2008

Inside a Cell Phone


On a "complexity per cubic inch" scale, cell phones are some of the most intricate devices people play with on a daily basis. Modern digital cell phones can process millions of calculations per second in order to compress and decompress the voice stream.But the basement of cellphones are simple gadgets.

If you take a cell phone apart, you find that it contains just a few individual parts:

* An amazing circuit board containing the brains of the phone
* An antenna
* A liquid crystal display (LCD)
* A keyboard (not unlike the one you find in a TV remote control )
* A microphone
* A speaker
* A battery

This simple combination makes a normal man busy running round the clock

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