April 7, 1964
IBM System/360 announced
IBMInternational Business Machines — a major computer and enterprise technology company since the early 20th century. announced the System/360 family on April 7, 1964 — a compatible line of mainframes that shared software across models.
What it was for
System/360 introduced the idea that one architecture could span small and large machines — programs written for a low-end 360 could run on a big iron box with more I/O. OSOperating system — software that manages hardware and provides services to applications./360, COBOLCommon Business-Oriented Language — a language designed for business data processing on mainframes. batch jobs, and enterprise data processing all standardized on this family. The `/360` name even inspired later product lines (System/370, z/OSOperating system — software that manages hardware and provides services to applications. descendants).
Companies
- IBM
Why it's here
System/360 defined compatible computer families and dominated business computing for decades.
Why it mattered
Software compatibility across hardware tiers became an industry expectation — still how cloud instance types work today.
What it solved
Customers faced incompatible machines every upgrade; IBMInternational Business Machines — a major computer and enterprise technology company since the early 20th century. needed one architecture from lab to datacenter.
Media
ImageIBM System/360 Model 30ArnoldReinhold, CC BY-SA 3.0, via Wikimedia Commons
Related
- COBOL language finalizedDecember 17, 1959
- ENIAC formally dedicatedFebruary 15, 1946