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Ask HN: What exactly do you mean by implementation?

1 点作者 r0br0dz超过 7 年前
So when we think of the ladder of abstraction we see that it all stems from abstracting away procedural hexadecimal, since that&#x27;s all the &#x27;metal&#x27; understands. When you read &quot;implement&quot; what do you refer too exactly?<p>I read a lot about how its an &#x27;implementation&#x27; problem. If we have so many issues with implementations why cant we standardize it?<p>I&#x27;m not so much a newbie but I dont have as much experience in implementations. Thank you for your time.

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PaulHoule超过 7 年前
I think there is something conceptual and then you make it real by implementing it.<p>An &quot;oldie but goodie&quot; example is<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;IBM_System&#x2F;360" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;IBM_System&#x2F;360</a><p>These machines had one instruction set architecture, but different hardware implementations of it so you could run the same software on machines with different memory size, speed and cost.