
Mainframe computer - Wikipedia
A mainframe computer is large but not as large as a supercomputer and has more processing power than some other classes of computers, such as minicomputers, workstations, and …
What is a mainframe? - IBM
A mainframe acts as a server for storing and processing data at high speeds and can carry out millions of instructions simultaneously. In contrast, supercomputers are much faster, capable …
What is a Mainframe - Mainframe Explained - AWS
Mainframe computing enables large-scale data processing through a single, powerful central system. This system supports multiple users and terminals in real time.
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 …
Mainframe Architecture
The mainframe system architecture is a complex, highly scalable, and secure structure to handle large-scale processing of transactions, data, and critical applications.
What Is a Mainframe? | Definition from TechTarget
Apr 12, 2023 · 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 …
What is a Mainframe? - Rocket Software
While mainframe is a generic term, most people instantly associate these computing workhorses with IBM and their System Z, the most popular and widely used models.
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 …
What Is a Mainframe Computer? Definition, examples
A mainframe computer, often referred to as “big iron”, is a powerful computing system used by large organizations for essential tasks such as mass data processing and enterprise resource …
Introduction to Mainframe Computers
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 …