The Raspberry Pi is a cheap, basic, programmable credit-card sized computer that plugs into your TV and a keyboard.It can be used for many of the things that your PC does, like spreadsheets, word-processing and playing games, but its real purpose is to inspire children (and grown-ups) to learn how to program.Over two million Raspberry Pis have been sold worldwide.The Raspberry Pi comes in two models: Model A has RAM, one USB port and no Ethernet (network connection); Model B has 256Mb RAM, two USB ports and an Ethernet port.Raspberry Pi in easy steps starts with the basic components you’ll need, the desktop and how to command the system.Then in easy steps, it shows how to use Python to create games, develop windowed apps using Tkinter, add animations using Scratch, control electrical input and output, and much more.Use Raspberry Pi in easy steps to have fun going back to basics and creating your own applications.