Definition of mainframe in English:



  • 1A large high-speed computer, especially one supporting numerous workstations or peripherals.

    as modifier ‘cumbersome mainframe systems’
    • ‘IBM was at that time the largest supplier of mainframe computer systems.’
    • ‘There are over 140,000 employees and over 3500 people on PCs and mainframes that I support.’
    • ‘On its higher end Unix and mainframe systems, IBM uses in-house technology for these types of tasks.’
    • ‘You may be able to cut the energy mainframes use but a lot of energy is still required to cool the machines.’
    • ‘Terabytes of storage residing on tape is more economical than residing on mainframes in open systems.’
    • ‘The new offering is designed for those who want to stay with their mainframe systems.’
    • ‘IBM mainframe computers proved to have more than four-year lives, but not by much.’
    • ‘Of course, it helps that mainframes have full-time technicians available to keep them up and running.’
    • ‘Firms such as IBM could sell a mainframe computer for just under £½ million pounds in today's money.’
    • ‘All data were entered into a SAS database using the mainframe computer at UNMC.’
    • ‘IBM has shuffled a huge chunk of its mainframe support operations off to South Africa in a bid to cut costs.’
    • ‘IBM brings mainframe scalability to open systems platforms.’
    • ‘IBM has tried to keep customers interested by adding Linux support to its mainframe boxes.’
    • ‘In those days, mainframe computers were coming into usage and electronic calculators were also just appearing.’
    • ‘Unless you are using a mainframe computer, the level of risk to data loss and theft from unauthorized access is growing daily.’
    • ‘Thirteen years ago, three airlines pooled their mainframe computing systems and created Worldspan.’
    • ‘An aging mainframe system was left untouched, instead of being replaced.’
    • ‘Despite the proliferation of computers of every size, mainframes still house most of the world's data.’
    • ‘The new Unix boxes and Fujitsu mainframe systems are to incorporate the same architecture, the company says.’
    • ‘That $10,000 was an unprecedented value compared with the cost of mainframes and minicomputers.’
  • 2The central processing unit and primary memory of a computer.