30 Jun '17, 4pm

Chip Hall of Fame: Acorn Computers ARM1 Processor

They called it the Acorn RISC Machine, or ARM. RISC, which stood for reduced-instruction-set computer, was an approach to designing processors that traded more complex machine code for higher efficiency . The engineers knew it wouldn’t be easy; in fact, they half expected they’d encounter an insurmountable design hurdle and have to scrap the whole project. “The team was so small that every design decision had to favor simplicity—or we’d never finish it!” says codesigner Steve Furber , now a computer engineering professor at the University of Manchester. In the end, the simplicity made all the difference. The ARM was small, low power, and easy to program. Sophie Wilson , who designed the instruction set, still remembers when they first tested the chip in a computer. “We did ‘PRINT PI’ at the prompt, and it gave the right answer,” she says. “We cracked open the bottles of ch...

Full article: http://spectrum.ieee.org/semiconductors/processors/chip-h...

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Chip Hall of Fame

Chip Hall of Fame

spectrum.ieee.org 30 Jun '17, 4pm

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spectrum.ieee.org 30 Jun '17, 4pm

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spectrum.ieee.org 30 Jun '17, 4pm

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spectrum.ieee.org 30 Jun '17, 4pm

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