Raspberry pi is a credit-card size single board open source device capable to do a lot of things like a computer. It’s a incredible device to connect through the HDMI port to your tv, just plug your keyboard and pointing device and makes fun with it. Work like word-processing, spreadsheet, game, internet browsing can be done with it. Now a days it’s used to be a programming learning device all around the world. There are total three model of Raspberry pi has been launched in market.It has a Broadcom BCM2835 system on a chip includes a 700MHz processor which can be overclocked up to 1 GHz without affecting the warranty. The newest device Model B has 512MB of ram and full HD 1080p capability. With a preloaded os in a bootable SD card you can start your very first Raspberry pi. All things you need to start and make fun with it are in this post.
You can but it from RS-Components or direct from amazon.