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Who Needs a Super Fast CPU? You Can Make a 2-Bit Processor On Paper!

When reader Yutaka wrote in telling us that he made a 2-bit CPU on paper, we were scratching our heads—but after reading his article, it’s actually pretty interesting.

The basic idea is that you can print out the “processor” and use the pieces to step through a simulated set of instructions and figure out how a processor is supposed to work. It’s very interesting, and decidedly nerdy.

Paper processor

Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on if you'd like.

  • Published 09/25/10

Comments (7)

  1. Kushal

    thank you so much its amazing i never knew abt this amazing !!!

  2. TJFadness

    It’s a good idea on paper, but…..

  3. Camilo Martin

    Maybe it doesn’t run Crysis smoothly, but…

  4. Doc R

    I can’t wait to increase to 1 Ream of RAM, and 4-bit color graphics.

  5. steelmouse

    how do i overclock?

  6. Jon

    I dunno…move the slips of paper around really fast?

  7. Joey

    Wait a minute !!

    Does it need a heatsinks or a fan cooler ?

    It could start the fire..

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