Raspberry Pi Is a Trip Back to the '80s

Raspberry Pi was launched to correct a problem. Cambridge was seeing applications for its computer science program fall off. The applications were sinking dramatically. In the late 1980s, 800 students would typically apply for the 80 positions. Yet by the mid-to-late '90s, the number had dropped to 200. Eben Upton, a young Cambridge professor who had been a student in the program, thought that dramatic downward trend needed to be reversed in order to shore up the computer science program.

The Raspberry Pi.

(Source: RaspberryPi.org)

Upton’s concerns about the trend and his efforts to reverse it prompted him to create the Raspberry Pi, a small inexpensive computer. It was launched five years ago with a $25 price tag. It’s more powerful current version sells for $35. At a keynote talk at the ARM TechCon conference last week, Upton explained his analysis of the downward trend and how he hopes his tiny computer might reverse it.

It comes down to a kid’s ability to program a computer. “We had a world in the 1980s where a lot of people had some programming experience,” said Upton. He was referring to early personal computers such as the TRS-80 from Tandy and the Apple II, both of which lent themselves to individual programming. “People were hobbyists with these computers, and that meant students at Cambridge ended up with a basic fundamental understanding of programming.”

That familiarity with programming disappeared for young people when non-programmable computers proliferated. “The interest in programming fell off between 1995 and 2005 because kids didn’t have programmable machines,” said Upton. He concluded that this was the reason for the fall-off in applications for the Cambridge computer science program. “The wonderful machines from the '80s had been replaced by non-programmable computers and the number of students with basic programming skills dried up.”

Eben Upton at the recent ARM TechCon conference in Santa Clara, Calif.

So Upton decided to create a programmable computer that would be affordable for students and still have enough power to be intriguing to those students over the long run. “We decided to create a computer that was programmable. That was in 2006. For the first five years we were doing prototypes,” said Upton. “We wanted to start with something that was basic enough for a child. But we also wanted it to have enough power so the kids could stay with it.”

Named After the Thhpptpt! Sound

As the idea developed, it was time to come up with a name. “We chose the name raspberry because it was a fruit name -- like Apple,” said Upton. “We also liked the sound of the “raspberry” we make with our mouth. Kids like body sounds. The Pi part comes from the number.”

To test the waters for interest, Upton and his team of volunteers made a video that demonstrated the tiny computer and put it out on the Internet. “We debuted it on YouTube and it got 600,000 views,” said Upton. “So we promised 600,000 people we were going to offer a $25 computer. In reality, we had no idea how

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