What was the name of the computer IBM first introduced in 1953?

The IBM 701, introduced in 1953, was IBM's first commercial scientific computer. It marked a significant step forward in computing technology at the time. The 701 was designed to cater to scientific and engineering applications, offering capabilities that were not available in earlier computing machines. Its architecture was a pivotal development, paving the way for future computers within IBM's lineup.

The other options represent different IBM products introduced in later years. The IBM PC, for instance, was released in 1981 and played a crucial role in personal computing. The IBM 360, launched in 1964, introduced a new era of computers with its compatibility across models. Lastly, the System/370, which was released in 1970, enhanced the capabilities of the IBM 360 series. Each of these systems built on the foundational work initiated by the IBM 701, showcasing the evolution of technology within the company.