XO-3 is the upcoming planned tablet/laptop/e-book reader that is intended to be developed under One Laptop per Child initiative. The shaping is that of a tablet computer

Tablet computer

A tablet computer, or simply tablet, is a complete mobile computer, larger than a mobile phone or personal digital assistant, integrated into a flat touch screen and primarily operated by touching the screen...

, replacing the canceled two sheet design concept of the XO-2. The inner workings are those of the XO 1.75 that will use an ARM processor

ARM architecture

ARM is a 32-bit reduced instruction set computer instruction set architecture developed by ARM Holdings. It was named the Advanced RISC Machine, and before that, the Acorn RISC Machine. The ARM architecture is the most widely used 32-bit ISA in numbers produced...

. It is planned to be released in 2012 with a price goal below $100.