Mainframes

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Mainframes

  1. 1. By: Tasnim Jannat
  2. 2.  A large high-speed computer that is supporting numerous workstations. It is the primary memory of a computer.
  3. 3.  Virtual Storage Multiprogramming Spooling Batch Processing Time Sharing
  4. 4.  A mainframe computer cost anywhere between several thousand and several million dollars.
  5. 5.  Generally scientists or very large companies.
  6. 6.  Linkedin Mainframes Hyerborean Mainframes ENIAC Mainframes
  7. 7.  If a mainframe is programmed correctly then it can handle hundreds of users. It’s a multi- user system around in universities and businesses. The latest ones can support over 25,000 users.
  8. 8.  IBM operating systems run on mainframes.
  9. 9.  Mainframes are expensive because it’s the main part of operating systems.
  10. 10.  Yes I do use a mainframe in my daily life. When I’m on any social networking site, WikiAnswers, or Wikipedia, I’m using a mainframe.
  11. 11.  The mainframes hold approximately 70% of the entire data stored on Earth. It takes 3 full days for a mainframe to get up and running. Earlier mainframes were provided with cool pipes through which cold water was passed to cool the system. Most of the people working on a mainframe has never seen the mainframe.

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