history - Why were relays prevalent in early 1940s computers when ...
May 16, 2021 · Manchester Baby, 1948 Manchester Mark 1, 1949 EDSAC, 1949 BINAC, 1949 CSIRAC, 1949 The divider lines above split the wartime and postwar halves of the decade. Late 1940s …
hardware - Smallest/Simplest, modern pure relay computer with at …
Aug 24, 2018 · The relay count is dominated by the register set : 64 bits of data to store, with hysteretic latching (1 relay per bit), and 1 relay per port (1 write and 2 reads). That's in the ballpark of 256 …
Have there been any studies comparing the reliability of relay versus ...
May 16, 2021 · There is a case study in the form of the Harwell WITCH, which is a hybrid valve-relay based computer from roughly 1950. One of the design goals was explicitly to minimise the number of …
relay computer - What is the first (say early) use of switches ...
Nov 27, 2019 · Switches are intended for just turning ON or OFF the power supply by either closing or opening the circuit. Not really. Switches in process control are intended to sense a state. That the …
Relay computer performance - Retrocomputing Stack Exchange
Aug 9, 2023 · I'm looking for performance data on relay based computers, and even human based computers. Performance, as in, time to perform an addition, multiple, etc. The Nordhaus data is all I …
history - What was the specific function of the relay which captured ...
13 Computer pioneer Grace Hopper often recounted the story of her team finding the first physical computer bug: While she was working on a Mark II Computer at Harvard University in 1947, her …
Newest 'relay-computer' Questions - Retrocomputing Stack Exchange
Aug 9, 2023 · Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
What is the name of this computer? (Bell Laboratories, 1954)
Dec 26, 2020 · It's likely part of the Bell Model VI relay computer, installed at Bell Labs in 1949. This was a revision of the massive Model V designed and built by Bell, which were installed at NACA (1946) …
Recently Active 'relay-computer' Questions - Retrocomputing Stack …
Q&A for vintage-computer hobbyists interested in restoring, preserving, and using the classic computer and gaming systems of yesteryear
Newest 'benchmarking' Questions - Retrocomputing Stack Exchange
Jun 9, 2025 · Relay computer performance I'm looking for performance data on relay based computers, and even human based computers. Performance, as in, time to perform an addition, multiple, etc. …