Just a BESM-6 with its operator
So. Many. Blinkenlights!
Maybe it’s like when the US military was more or less paying per tube for radio designs, so radios had a bunch of extra tubes that just … didn’t do anything? Surely it’s not possible to use all those lights.
BIG computers Need BIG lights.
…and a deeeep hummmmmm…
Deep thought was smart, it hummed rather than sang like Hal 9000.