
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 Computer? Complete Beginner's Guide 2025
Nov 3, 2025 · This comprehensive beginner's guide explains what mainframe computers are, how they work, their history, real-world applications, and why they remain essential for processing …
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.
Mainframe Tutorials | Tutorialspoint
Mainframe Tutorials - Tutorials for IBM mainfarme and associated technologies including DB2, CICS, COBOL, JCL, IMS DB, VSAM
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 Introduction
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 …
What Is a Mainframe? - pickl.ai
Jun 20, 2025 · A modern mainframe in computer environments operates as a high-performance, multi-user platform. It handles billions of transactions daily, supports multiple operating …
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 Mainframe? Definition, How It Works & Examples - Techopedia
Jun 19, 2025 · Mainframe computers are designed to handle and process large-scale data while simultaneously running critical applications. They essentially work like a central hub – …