Raspberry Pi

The Raspberry Pi is a low cost, (almost) credit-card sized computer that plugs into a computer monitor or TV, and uses a standard keyboard and mouse. It is a capable mini computer that enables people of all ages to explore computing, and to learn how to program in languages. It’s capable of doing everything you’d expect a desktop computer to do (although - in a bit slower fashion), from browsing the internet and playing high-definition video, to making spreadsheets, word-processing, and playing games.

Initial sales were of the Model B, with Model A following in early 2013. Model A has one USB port and no Ethernet controller, and costs less than the Model B with two USB ports and a 10/100 Ethernet controller. Though the Model A does not have an 8P8C (RJ45) Ethernet port, it can connect to a network by using an external user-supplied USB Ethernet or Wi-Fi adapter. On the model B the Ethernet port is provided by a built-in USB Ethernet adapter. As is typical of modern computers, generic USB keyboards and mice are compatible with the Raspberry Pi. The Raspberry Pi does not come with a real-time clock, so an OS must use a network time server, or ask the user for time information at boot time to get access to time and date for file time and date stamping. However, a real-time clock (such as the DS1307) with battery backup can be added via the I²C interface. The Rasyperry Pi was created to serve educational purposes. Helping people of all ages to study computers, programming, electronics and interfacing. It can also serve as a core element in DIY projects, and also suitable for major roles in proof-of-concept projects.

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