IBM said the S/360 was the first product family that let business data-processing operations grow from the smallest machine to the largest without the enormous expense of rewriting vital programs.

The IBM 360 is the first computer able to upgrade. Marketed to serve every degree of industry, "the IBM 360 was a response to an internal crisis," Spicer says.

System/360 Model 91 in the late 1960s. We're seeing industry pundits from all quarters take the time to congratulate or castigate IBM for being able to sell variations of the System/360 for 50 years.

IBM is celebrating the 40th anniversary of its S/360, the first commercially successful mainframe. But another design deserves most of the laurels.

Considered the first modern mainframe, the IBM 360 launched in April 1964. Mainframes like this performed 229,000 calculations per second, helping put man on the moon.

50 years ago today, IBM unveiled the System/360 mainframe, a groundbreaking computer that allowed new levels of compatibility between systems and helped NASA send astronauts to the Moon.

The IBM System/360 mainframe was the darling and the workhorse of its day. McKnight/AP 1964: ... for the first time, it was possible to perform a million instructions per second.

It's an IBM System/360 (see video above), and this year, we celebrate its fiftieth anniversary. The 360 was actually a whole family of machines, the first line of general purpose computers that ...

More than a century after its first punch‐card tabulators helped the U.S. Census count a growing nation, International Business Machines Corp. (IBM) is again surprising skeptics. Once written off as a ...

IBM announces the System 360, the first family of computers spanning the performance range of all existing (and incompatible) IBM computers. Thomas J. Watson Jr., IBM’s CEO at the time, in ...