Questions tagged [mainframe]

for questions about retrocomputing mainframes or clusters

Mainframes are large computers generally used for bulk data processing.

99 questions
14
votes
2 answers

Can anyone help me identify this old computer part?

I purchased two identical computer parts at an estate sale that seemed unusual. I was told that perhaps it was a component from an old IBM mainframe. I was able to date them between late 50's and early 60's from the logo that was in use at the time.…
user1746209
6
votes
1 answer

Total weight of the CDC 7600?

I'm doing some research on the CDC 7600 supercomputer. I'm trying to find at least a general guess on the overall weight of the machine, preferably including the necessary cooling equipment. I know it wasn't a very popular machine and specs on the…
MarkLMarkL
  • 61
  • 2
3
votes
4 answers

Couldn't people just buy mainframes from the same manufacturer and connect them before the arpanet?

I was reading the TCP/IP Protocol Suite by Forouzan and at one point it says: In the mid-1960s, mainframe computers in research organizations were stand-alone devices. Computers from different manufacturers were unable to communicate with one…
ashi
1
vote
0 answers

Are Unisys ClearPath Libra mainframes still in use in Australia?

By use, I mean are they still actively being developed for. I know this is the case in New Zealand and USA. In particular, is ALGOL code still being written on them?
Kerry Nitz
  • 11
  • 2