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.

2024年3月1日 · The term mainframe initially referred to the large cabinet or ‘main frame’ that held the central processing unit (CPU) of early computer systems. The mainframe served as a central data repository or ‘hub’ that links workstations or terminals in an …

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 …

2024年9月13日 · 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.

2025年3月10日 · A mainframe is a powerful computer that connects to multiple end clients so that users can access apps concurrently.

IBM Mainframe Tutorials - A Complete free IBM Mainframe Online Tutorials for mainframe programmer who working in mainframe technology.

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.

2025年3月21日 · 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

2022年11月2日 · A mainframe computer is a powerful computer meant for high-volume data processing. Mainframes have a large amount of memory, many parallel processors, and a high data input/output capacity. Large organizations and business use mainframes for high-volume data analysis, database management, resource tracking, and transaction processing.

A mainframe computer is a high-performance computing system that’s used to rapidly process large amounts of data in real time. Because they have the memory and processing power to handle billions of calculations, mainframes remain an essential part in …