CLASSIFICATION OF COMPUTER:

              Classification of computer:

                                                         Computer are classified  on the basis of size , speed , processing power and price. However' the classification of computer is not very straight-forward. The distinction between these categories is sometimes not very clear. Some characteristics overlap different categories. Computer can be classified into the following categories. 

            .   personal Computer

          .    Mobile Devices

          .    Minicomputer

          .    Mainframe Computer

          .    Embedded Computer

         .  Supercomputer

        Personal computer /Microcomputers:

                                                                     personal computer is designed to be used by one person at a time. It consists of a processor ' memory and one or more input , output and storage devices. It also often contains a communication devices. Personal computer are available in different sizes and shapes. Personal computer is commonly used in business' at home and other fields of life . The price of personal computer is from several hundreds to several thousand dollars.

            Most commonly used personal computer are PC and Apple . PC AND its compatible computer use Windows operating systems. Apple Computers are use Mac OS operating system. PC and its compatible computer follow the specifications of original LBM personal computer. Different companies such as Dell , acer , HP and Asus sell PC and its compatible computer. Major types of personal computer are desktop computer and portable computer.

       Desktop:

                       Desktop computers are the most commonly type of of personal computer. it is designed in a way that all its components fit on a desk or table. In one the system unit. In one model , the system unit. is placed horizontally on the desktop or table and monitor is placed on the table.

    1. All-in-one computer:

                                          all-in-one computer combines monitor and system unit into a single devices. It does not have a separate tower. Many all-in-one computer models also have touch screen technology. these computer save desktop space HP Touch Smart and Apple iMac are examples of all-in-one-computer.

   2. Workstation computer:

                                             Workstation computer is more powerful and expensive desktop computer it is used for calculations and graphics Work. a workstations can perform the tasks that require a lot of processing speed. It is mostly used by engineers , graphics artists and architects. For example architects use workstation to design buildings and homes.

    

    3. Server computer:

                                    A desktop computer can be used as server. A server computer provides services and controls access to the hardware , programs and data in the network.

                           :PORTABLE COMPUTER:

                                                                     coming soon...