The Okean-240 was a personal computer manufactured by the Soviet Institute of Oceanology from 1986, designed for use on expeditions. Fitted with 128 KB RAM, it could use a domestic cassette as an external memory source. The Okean-240 was used to solve specific problems. It could be described as a Soviet prototype laptop. For ease of use during expeditions, it was portable and could be carried. / azmaster.narod.ru
Even though few people could afford personal computers in Soviet times, there were plenty of them in the 80's. Here are the most popular ones.