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Digital pregnancy tests are almost as powerful as the original IBM PC [message #4484] Mon, 07 September 2020 10:00 Go to next message
vetus@vetusware.com is currently offline  vetus@vetusware.com
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Digital pregnancy tests are almost as powerful as the original IBM PC

Each test, which costs less than $5, includes a processor, RAM, a button cell battery, and a tiny LCD screen to display the result. The processor is an 8-bit Holtek microcontroller with 64 bytes of RAM, capable of running at either 4Mhz or 8Mhz depending on the battery configuration. That might sound very basic, but the chip is surprisingly complicated.

“You might think it’s very limited because it’s only got 64 bytes of RAM, but it’s actually using a pipelined architecture to operate at 1 instruction per cycle, giving it quite good performance for a 4Mhz CPU”...

https://www.theverge.com/tldr/2020/9/4/21422628/digital-preg nancy-test-teardown-processor-ram-ibm-pc

[Updated on: Mon, 07 September 2020 10:01]

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Re: Digital pregnancy tests are almost as powerful as the original IBM PC [message #4485 is a reply to message #4484] Tue, 08 September 2020 10:10 Go to previous messageGo to next message
vetus@vetusware.com is currently offline  vetus@vetusware.com
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Follow-up:
https://gizmodo.com/yes-you-can-run-doom-on-an-electronic-pr egnancy-test-b-1844977957
Re: Digital pregnancy tests are almost as powerful as the original IBM PC [message #4925 is a reply to message #4484] Fri, 28 January 2022 18:18 Go to previous messageGo to next message
sdrobertson330 is currently offline  sdrobertson330
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So I can run Doom on a Pregnancy Test?
Re: Digital pregnancy tests are almost as powerful as the original IBM PC [message #5071 is a reply to message #4925] Thu, 14 July 2022 21:56 Go to previous message
pietry is currently offline  pietry
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