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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. A mainframe computer , or mainframe , is also known as a central computer . It is a large, powerful, and expensive computer , mostly used by large companies for bulk data processing and critical applications. It processes a large amount of data used in the processing of bank transactions, census, statistical work, enterprise resource planning (ERP), database management, etc. Learn what mainframe computer is, how it works, and why it is used by large organizations. Find out the examples, types, and characteristics of mainframe computer systems. Difinition: A Mainframe Computer is a high performance Multi User computer system which is the most scalable, available, reliable and secured machine in the world capable of performing some Million Instructions in realtime (upto 569,632 MIPS) with the following characteristics: 1) Most reliable single-thread performance (batch processing) 2) Fastest commercial multi-thread performance (online processing) 3) Maximum I/O connectivity (1024 I/O channels) 4) Maximum I/O bandwidth (25 Gigabit/s ...
