The Raspberry Pi is a credit-card sized computer.It can be plugged into your TV and a keyboard, and can be used for many of the things that your average desktop does – Programming, spreadsheets, word-processing, games and it also plays high-definition video.
The Raspberry Pi is a fully featured micro-computer squashed onto a circuit board measuring approximately 9cm x 5.5cm.
A brief history- The Raspberry Pi is the work of the Raspberry Pi Foundation, a charitable organisation.UK registered charity (No. 1129409), May 2009. It's supported by the University of Cambridge Computer Laboratory and tech firm Broadcomm.
Features - Provide a fun environment for experimenting with programming and electronics. Inexpensive, simple, open and easy to maintain computer for schools. Fun computer for children to experiment with at home(programming, robotics, etc...)
Technology - The Raspberry Pi has a Broadcom BCM2835 system on a chip (SoC),which includes an ARM1176JZF-S 700 MHz processor. Video Core IV GPU originally shipped with 256 megabytes of RAM, later upgraded to 512MB. It does not include a built-in hard disk , but uses an SD card for booting and long-term storage.
Operating System: Linux on a bootable SD card on below OS.