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International Business Machines (IBM) is a multinational corporation specializing in computer technology and information technology consulting. Headquartered in Armonk, New York, the company originated from the amalgamation of various enterprises dedicated to automating routine business transactions, notably pioneering punched card-based data tabulating machines and time clocks.
Systems Network Architecture [1] ( SNA) is IBM 's proprietary networking architecture, created in 1974. [2] It is a complete protocol stack for interconnecting computers and their resources. SNA describes formats and protocols but, in itself, is not a piece of software. The implementation of SNA takes the form of various communications packages ...
IBM was founded in 1911 as the Computing-Tabulating-Recording Company (CTR), a holding company of manufacturers of record-keeping and measuring systems. It was renamed "International Business Machines" in 1924 and soon became the leading manufacturer of punch-card tabulating systems.
IBM Information Management System (IMS) utilizes a hierarchical database model, distinct from IBM's later relational database model as seen in IBM Db2. In IMS, data is organized into segments, each comprising multiple fields, structured hierarchically to manage complex relationships effectively. [5] For instance, in a customer database, a root ...
IBM System p. The IBM AS/400 ( Application System/400) is a family of midrange computers from IBM announced in June 1988 and released in August 1988. It was the successor to the System/36 and System/38 platforms, and ran the OS/400 operating system. Lower-cost but more powerful than its predecessors, the AS/400 was extremely successful at ...
IBM Developer is a global community of coders, developer advocates, and digital resources that help developers learn, build, and connect. The IBM Developer website (previously known as alphaWorks and IBM developerWorks) hosts a wide range of resources, tools, and subject matter expert conversations that help developers build and reinforce the open source, artificial intelligence AI, and cloud ...
The Open Systems Adapter (OSA) is a network controller for IBM z/Architecture, ES/9000 and S/390 mainframes. The OSA supports Ethernet , Token Ring and FDDI connectivity. [1] [2]
ESA/390. z/Architecture. v. t. e. The IBM System/360 ( S/360) is a family of mainframe computer systems that was announced by IBM on April 7, 1964, and delivered between 1965 and 1978. [ 1] It was the first family of computers designed to cover both commercial and scientific applications and a complete range of applications from small to large.