Last visit was: Fri Jul 19, 2024 5:03 am
It is currently Fri Jul 19, 2024 5:03 am

 [ 1 post ] 
 Update on the EDSAC rebuild (National Museum of Computing) 
Author Message

Joined: Wed Jan 09, 2013 6:54 pm
Posts: 1789
Rebuilding EDSAC is a years-long project, but it is looking more and more like a computer, well, like the original EDSAC (half a room full of racks with valves/tubes) and is apparently likely to be running programs by late summer.

The EDSAC was the world's first stored-program computer to operate a regular computing service. Designed and built at Cambridge University, England, the EDSAC performed its first calculation on 6th May 1949.

Here's a short video update posted today, about the storage implementation - this is one place where the reconstruction chooses not to be original, filling the coffin not with mercury delay lines but modular electronic delay units:

Here's the set of EDSAC videos from TNMoC (The National Museum of Computing) in a random order.

Here's a poster (pdf) all about EDSAC and the initial orders - what we now call a bootstrap - and also Maurice Wilkes' test program which tabulated some squares and differences. The machine has a multiply instruction, which is surely a huge boost in utility as the machine is serial and ran at a rate of 600 instructions per second.

The National Museum of Computing is on the Bletchley Park campus, and very well worth a visit. I think I must have been four or times by now. (The Bletchley Park museum is also on the BP campus, with separate entrance fee, and is also worth a visit, but doing both justice in one day will prove to be a stretch. BP is an hour's train journey from London.)

Tue May 30, 2017 10:31 am
 [ 1 post ] 

Who is online

Users browsing this forum: CCBot and 0 guests

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  
Powered by phpBB® Forum Software © phpBB Group
Designed by ST Software