Mainframe computer - Wikipedia
WebA mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing.
What Is a Mainframe? | IBM
WebMainframes are data servers that are designed to process up to 1 trillion web transactions daily with the highest levels of security and reliability. At their core, mainframes are high-performance computers with large amounts of memory and data processors that process billions of simple calculations and transactions in real-time.
IBM mainframe - Wikipedia
WebIBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the computer market with the 7000 series and the later System/360, followed by the System/370. Current mainframe computers in IBM's line of business computers are developments of the basic design of the System/360.
What is a mainframe? It's a style of computing - IBM
WebA mainframe is the central data repository, or hub, in a corporation's data processing center, linked to users through less powerful devices such as workstations or terminals. The presence of a mainframe often implies a centralized form of computing, as opposed to a distributed form of computing.
The IBM mainframe: How it runs and why it survives
WebJul 24, 2023 · Mainframe computers are often seen as ancient machines—practically dinosaurs. But mainframes, which are purpose-built to process enormous amounts of data, are still extremely relevant today.
What Is a Mainframe? | Definition from TechTarget
WebA mainframe, also known as big iron, is a high-performance computer used for large-scale, compute-intensive purposes and tasks that require greater availability and security than smaller-scale machines. Historically, mainframes have been associated with centralized rather than distributed computing.
What Is a Mainframe? Features, Importance, and Examples
WebJan 19, 2023 · A mainframe is defined as a large, powerful computer typically used for complex calculations and data processing tasks. It can connect to multiple end clients simultaneously so that several users can access different applications and processes running on the mainframe concurrently without impacting performance or security.
Mainframe | Definition & Facts | Britannica
WebMar 8, 2024 · Mainframe, digital computer designed for high-speed data processing with heavy use of input/output units such as large-capacity disks and printers. Mainframes have been used for such applications as payroll computations, accounting, business transactions, information retrieval, airline seat.
What is mainframe modernization? | IBM
WebMainframe modernization is a process enterprises use to migrate their existing legacy systems to a newer, more technologically advanced ecosystem. Some of the most frequently targeted areas for modernization are code, interface, potential cost savings and performance. Modernization approaches can vary widely in scale and scope, with some …
Introduction to Mainframe Computers
WebMainframe Basics. Mainframe is the powerful central computer (CPU) in a data processing center, linked to thousands of users through less powerful devicessuch as PC workstations or terminals (just monitor and keyboard). Usually you don't find a mainframe in any household or small companies.
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