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.

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

Mainframe computing enables large-scale data processing through a single, powerful central system. This system supports multiple users and terminals in real time.

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 …

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 applications.

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? A mainframe is a high-performance computer used primarily by large organizations to process vast amounts of data quickly, securely, and reliably.

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 …

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 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 …