
Mainframe computer - Wikipedia
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 processing for tasks such …
What is a mainframe? - IBM
Mainframes 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 …
What is a Mainframe - Mainframe Explained - AWS
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 power for data …
What is a Mainframe Computer? - GeeksforGeeks
Jul 12, 2025 · In simple terms, mainframe computers are super-fast and reliable machines that help process large amounts of data quickly and efficiently. They are designed to ensure that critical …
Mainframe | Definition & Facts | Britannica
Nov 12, 2025 · 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 …
What is a mainframe? Definition, examples, and technologies
A mainframe is a high-performance computer designed to manage large volumes of data and large-scale computing tasks. These systems are optimized to offer high availability, scalability, and …
What Is a Mainframe? - Built In
Aug 8, 2024 · A mainframe is a high-performance computer that processes massive amounts of data and computations in real time. Known for their high-throughput and reliability, these systems are …
What Is a Mainframe? - pickl.ai
Jun 20, 2025 · Mainframes are powerful computers designed for large-scale, mission-critical applications. They have evolved from room-sized machines to compact, cloud-integrated systems, …
What Is a Mainframe? | phoenixNAP IT Glossary
Apr 16, 2025 · A mainframe is a high-performance computer designed to process enormous amounts of data and execute complex calculations at scale. Mainframes typically reside in secure data centers …
What is Mainframe Computer? -Definition, Features & Working
Dec 23, 2025 · A mainframe is a powerful computer used for large-scale data processing. It is fast, reliable, and can support thousands of users at the same time. Governments, banks, and big …