0
$\begingroup$

On a recent trip to the London Science Museum I saw Babbage’s Analytical Engine.

enter image description here

enter image description here

Apparently this had an ALU (or equivalent). Is the Analytical Engine binary? I can build an ALU out of logic gates but I can’t conceptualise how to do it with gears. I’m trying to map across the concepts.

My question is: Can you explain in terms of logic gates how Babbage’s Analytical Engine worked?

$\endgroup$
2
  • 2
    $\begingroup$ Could you be more specific? One could write a whole book on the subject! (Or try to; this thread on Retrocomputing SE suggests that it's not really clear what the design was supposed to be.) $\endgroup$ – David Richerby Apr 17 '18 at 13:59
  • $\begingroup$ That sounds like it would be an awesome book! $\endgroup$ – hawkeye Apr 17 '18 at 21:49
1
$\begingroup$

The documentation is quite clear they're still working out what the design was supposed to be.

Taking an approximation - they have developed a Java program to run sample programs. The logic behind the source code shows how it may have worked.

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.