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Mainframe computer - Wikipedia
A mainframe computer, informally called a mainframe or big iron, [1] 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
Mainframe systems are computers able to process billions of calculations and transactions in real time, securely and reliably.

The IBM mainframe: How it runs and why it survives
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? It's a style of computing - IBM
A 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.

What is a Mainframe Computer? - GeeksforGeeks
Mainframe computers are a type of computer designed for high throughput, which means processing data as fast as possible. They are primarily used for transaction processing, which involves a set of operations like disk read and write, operating system calls, and data transfer between subsystems.

What Is a Mainframe? Features, Importance, and Examples
A mainframe is a powerful computer that connects to multiple end clients so that users can access apps concurrently.

IBM Z Mainframe Servers and Software
Explore the Telum processor IBV study: Mainframe digital transformation IBM Z® is a family of modern infrastructure that runs enterprise operating systems and IBM Z systems software . IBM Z delivers the security, resiliency, performance, scalability and sustainability that you would expect from a flagship enterprise compute platform from IBM®.

What Is a Mainframe? | Definition from TechTarget
A 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. But that distinction has blurred as smaller ...

Mainframe | Definition & Facts | Britannica
mainframe, digital computer designed for high-speed data processing with heavy use of input/output units such as large-capacity disks and printers.

Home - Open Mainframe Project
The Open Mainframe Project was founded in 2015, as a focal point for deployment and use of Linux and Open Source in a mainframe computing environment.

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