Those upgrades, the Raspberry Pi Foundation says, make the Pi 2 Model B a much more powerful computer -- not just a good computer for its $35 price.

There is also a software download available from the element 14 Pi Desktop page which adds the necessary functionality to the Raspbian operating system to make the On/Off switch, RTC and SSD work ...

Simply plug the Raspberry Pi 2 into an electrical socket with the provided AC plug and it'll boot up. A window will appear with a list of different operating systems you can install.

The operating system, called Pixel, has been reworked to run on Apple machines and other personal computers. It aims to make the Raspberry Pi's software as accessible as its hardware.

The Raspberry Pi 2 Model B is the same size and the same price as its predecessor, but major hardware improvements make this mini computer much more delectable overall.

We give our first impressions of the $35 Raspberry Pi, an intriguing, eminently affordable hobbyist computer.

The new Raspberry Pi 2 Model B fixes the most glaring issues of the three-year-old original Pi, and even better, it manages to do so at the same $35 price point of its predecessor.

More interestingly, the Raspberry Pi 2 Model B is fully backward compatible to first-gen Model A and Model B designs, meaning that users can just replace the old versions with the faster computer.