Rasperry Pi and Rikomagic MK 802 are two really small computers (Size of a palm or even smaller) that can use Linux and Ubuntu or other Unix based operating system. MK802 is already loaded with Android. Both computer are under US$100 and available in eBay.
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| Rikomagic MK802 Mini PC |
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| Rasperry Pi Mini PC |
Rasperry Pi is about the size of a credit card, which is a ARM based small computer. It has USB port, HDMI port for connecting monitor and TV, built in Ethernet port, RCA video output and audio output, SD card slot for loading operating system like Linux and Ubuntu. The power input used a Micro USB port.
Click
here for detail.
