
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 personal computers.
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 of executing …
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 critical …
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 security than …
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 used for such …
What Is a Mainframe Computer? Definition, examples & characteristics ...
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 planning.
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 monitor and …