was one of the eight major computer companies (along with IBM , Burroughs , Control Data Corporation , General Electric , Honeywell , NCR and UNIVAC ) through most of the 1960s. RCA marketed the Spectra 70 Series (70/15, 70/25, 70/35, 70/45, 70/46, 70/55, 70/60, 70/61) that were compatible with IBM’s