What does mainframe mean?
A large, powerful computer that controls and coordinates the activities of other computers in a network, or a central computer in a computer system. A mainframe computer is typically a large, expensive machine that is used for business or scientific applications.
Example
"The company's mainframe was upgraded to improve processing speed and efficiency."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.