Mainframe Computers:

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      Mainframe Computers:

                                               Mainframe computers is a large computers designed to serve several thousands connected users at the same time. It is more powerful and expensive than minicomputers. These computers can store large amounts of data, information and programs. The users access a mainframe computers through personal computer, thin client or dumb terminal. Mainframe computers is also known as enterprise server or high-ended server.

                   The proc of mainframe computer can be several thousands dollars to several million dollars. IBM, Sun  and Unisys are leading manufacturers computers.

                    Mainframe computers are used in large amounts of centralized data such as banks , universities, insurance companies and government department. For example , airlines use them to maintain flight schedules , ticket reservation system etc. Govt department such as NADRA use mainframe computers to mainframe computers to track transactions immediately and maintain stock.


                                                     mainframe computers


       Examples:

               Some examples of mainframe computers are as follows:

  •     IBM S-390 
  •     NEC 610 
  •     DEC 10
  •     IBM System Z10


           Supercomputers:
                                        Supercomputers is the fastest and the most powerful computer. It is the biggest in the size and more expensive than any other computers. It is used to perform complex tasks. It has a very large storage capacity and can store several thousands times more data than an average. desktop computers
                     Supercomputer is mostly used for weather forecasting, weapon deaden and atomic research etc. supercomputers is also used in business and industry field . Aircraft manufacturers use it to simulate aircraft and check its performance.

             
            Examples:

                         Some examples of supercomputers are as follows:
  •  Roadrunner
  •  Blue Gene
  •  Deep Blue
  • ASCI White

                                                    supercomputers

             Embedded computers:
                                                  An embedded computers is designed for special purpose. It works as a component in a large product. These computers are very small and have limited hardware. They perform various functions according to the requirements of the product in which they are embedded.
                  
                  Embedded computers are used in commonly used product such as:
  •  Electronics: PDAs. mobile , video recorders and DVD players etc.
  • Home Devices: Security monitoring system & programmable microwave  ovens etc.
  • Automobiles: Car engine controller airbag etc.


       :Different between Desktop and Laptop computers:

                                                                 coming soon............

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