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The Raspberry Pi is a small computer about the size of a credit card and costs approximately €35. It was developed in the UK by the Raspberry Pi Foundation with the hope of creating a generation of children that will be inspired to learn how computers are programmed and how they function.
This small computer features amazing HD (high-definition) quality video playback, sports high quality audio and has the ability to play 3D games. The device uses the ARM processor which does most of the hard work and complicated calculations in order to run your Raspberry Pi. ARM processors can be thought of as the brains of the device.
Raspberry Pi Processor
These processors are mainly used in small devices such as mobile phones, hand held mobile gaming devices and other small digital devices. The reason for this is that these ARM processors are extremely efficient and fast when used in small devices. This makes the ARM processor the obvious choice for the Raspberry Pi.
Even though the Raspberry Pi is a computer, it does not have a hard drive like traditional computers do but instead, it relies on an SD card for the starting up and storing of information. In this case the SD card does the same job as a hard drive does in a traditional computer.
Raspberry sd card
The SD card contains the operating system, programs and the data needed to run the Raspberry Pi. The operating system tells the Raspberry Pi how to function, how to handle any input from the user and how to manage programs when they are running. An operating system is the interface between the user and the device.