How Stuff Works Links
Describe how a CRT or Cathode Ray Tube works. Also: Audio amplifier, electro-magnets, composite video signal.
Describe how the laser & lens system works. Also: drive system, tracking system, or DVD layers <<http://electronics.howstuffworks.com/dvd2.htm>>
Write about PC hard drives., central processing units (CPUs), motherboards, power supplies, CD/DVD drives, etc.
Rotating head drum, audio head, video tape recording, audio tape recording, capstan motors, etc.
Audio tape, electromagnets/heads, capstan rollers, etc.
Largest collection of free MP3s to play or download, free MP3 software
LCD Liquid Crystal Display, microphone, speaker, microprocessor, circuit board.2G network, 3G network.
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