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    multitasking with several users working simultaneously. Mainframe computers usually
                     have multiple terminals connected to them. They are manufactured for commercial
                     applications and other large-scale computing purposes.

                     Supercomputer
                     A supercomputer consists of a large number of processors and

                     also occupies a huge amount of space. It is a very powerful machine
                     for performing complex scientific calculations. Calculations that a
                     personal computer performs in three weeks can be performed by
                     a supercomputer in minutes.

                     Supercomputers are also used in the fields of creating animated graphics and conducting
                     nuclear research. Some examples of supercomputers are CRAY X-MP/24, PARAM 9000,

                     PARAM and ANURAG.

                               OTHER TYPES OF COMPUTER

                     Apart from the types of computers that we have discussed in the previous sections, some
                     other types of computers are embedded computers and handheld computers. Let us learn

                     about these computers in detail.

                     EMBEDDED COMPUTER
                     An embedded  computer  is  a special  type  of microprocessor-based  system  that  is
                     developed  for  performing a specific  task.  Let us learn  about  some  of the embedded

                     computers in detail.

                                             Digital Camera
                                             A digital  camera  is one of the most  commonly  used  embedded

                                             computers.  Due to  the use of embedded  computers,  cameras
                                             have become very smart and provide  lots  of features  that  were
                                             not present in older cameras. The main function of a camera is to
                     capture photos and shoot videos. It also has a memory to store the captured photos and
                     videos.

                     Automated Teller Machine

                     An Automated Teller Machine (ATM) is another example of an embedded
                     computer that allows us to withdraw money from our bank account from

                     anywhere and at anytime.

                                                                                             Fundamentals of Computer  11

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