A mainframe computer, informally called a mainframe, maxicomputer, [1][2] or big iron, [3] is a computer used primarily by large organizations for critical applications like bulk data …

Apr 8, 2024 · Mainframe systems are computers able to process billions of calculations and transactions in real time, securely and reliably.

A mainframe is a large computer that runs critical business applications requiring a significant amount of processing power. Banks and other large organizations often require this computing …

Jul 12, 2025 · 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, …

Apr 12, 2023 · What is a mainframe computer? A mainframe, also known as big iron, is a high-performance computer used for large-scale, compute-intensive purposes and tasks that …

What is Mainframe? A mainframe is a large, powerful and highly efficient computer system primarily used by organizations for processing vast amounts of data and running critical …

Jan 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 …

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 …

Apr 16, 2025 · A mainframe is a high-performance computer designed to process enormous amounts of data and execute complex calculations at scale.

Jun 19, 2025 · Mainframe is a business computing system designed for large-scale data processing and critical enterprise applications. Learn the full mainframe meaning here.