RaspBerryPI is a ultra-low cost (25$/35$) credit card size computer for teaching programming to children.

Specs:
- 700MHz Broadcom BCM2835 media processor featuring an ARM11 (ARM1176JZF-S) core, Broadcom GPU core, DSP core and support for Package-on-Package (PoP) RAM
- 128MiB (Model A) or 256MiB of SDRAM (Model B), stacked on top of the CPU as a PoP device
- OpenGL ES 2.0
- 1080p30 H.264 high-profile decode
- Composite and HDMI video output
- One USB 2.0 port provided by the BCM2835
- SD/MMC/SDIO memory card slot
- General-purpose I/O (About 16 3v3) and various other interfaces, brought out to 1.27mm pin-strip
- Optional integrated 2-port USB hub and 10/100 Ethernet controller (Model B)
- Open software (Iceweasel, KOffice, Python)
- Capability to support various expansion boards
And, what is most important, targeted at 1W Power consumption!
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David