Model B, which is $35, has double the memory, Ethernet, and a dual USB connector. Model A, which is $25, lacks Ethernet capability, has a single USB connecter, and 256MB of memory. Right now, there are two versions of the Raspberry Pi for sale- Model A and Model B, though neither is newer than the other. Nearly every flavor of OS that works on Raspberry Pi-Raspbian, Pidora and more-is a riff on the Linux kernel. Python is the Pi’s recommended programming language, but Linux is its recommended operating system. So the name stuck and it outlived the justification for the name. What we wanted to build was something that could run the Python programming language, and so ‘Pi’ was kind of a pun. There’s a history of fruit-named computer companies! There aren’t many that aren’t taken, and Raspberry is one of those. In an interview with Daily Brink, Upton explained how the device got its name: The Raspberry Pi Foundation was established in May 2009, and the first shipment of Raspberry Pis became available in April 2012. From 2006 to 2008, the official history goes, Upton and his colleagues worked on the prototype that would eventually become the Raspberry Pi. Upton wanted to create a cheap, easily programmable computer that would bring back the experimental spirit of an earlier era of computing, by making a device cheap enough so anyone could tamper with it without fear of expensive mistakes. Plus, as computers became easier to use, programming them became more complicated, and tinkering with their inner workings became far less necessary. In later decades, Upton speculated, parents had more reason to forbid the same kind of experimentation on increasingly advanced family PCs.
In the ’70s and ’80s, kids could use an Amiga or Commodore 64 to boot into a programming environment. Upton’s concern? That the price and sophistication of modern computers had made them overly complicated for kids to experiment with. While current students entering the program often had Web design experience, programming experience was becoming very rare.
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