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OCR: ING MPUTERS ESSENTIAL NCEPTS Mainframes are large fast, and fairly expensive computers generally used by business or InfoWeb government to provide centralized storage processing. and management for large amounts of data As with minicomputer one mainframe computer carries out processing tasks for multiple users who i input processing requests using terminal. However, a mainframe gen- erally services more users than minicomputer. To process large amounts of main- Main frame frames include more than one proce: essing unit. One 0 f these processing units directs overall operations second processing unit handles communication with all the users requesting data third processing unit finds the data requested Aq users Mainframes remain the computer 10 choice in situations where reliabilty. data se ...