Two years after unveiling its quantum roadmap, IBM is keeping pace with its goals, the company said Tuesday -- and it has new plans to deliver a 4,000+ qubit quantum computer by 2025. That progress ...

The Q System One is a beautiful piece of engineering, but the quantum computing future is still a way off The Q System One is a beautiful piece of engineering, but the quantum computing future is ...

IBM's second successful commercial computer (the first was the 650). Introduced in 1959 and offered until 1971, the 1401 was an outstanding success. More than 12,000 systems were installed, and it was ...

Following is the IBM mainframe evolution starting with the System/360 introduced in 1964. The IBM mainframe is the longest running computer family in history. Although current IBM mainframes are ...