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Motherboard

              Motherboard or the main board consists of a board containing electric circuits that connects all the important
              components of the computer. If the CPU is the brain of the computer, then, the motherboard is the central nervous
              system making it the backbone or spine of a computer system. It consists of:




















                                                             Motherboard
                 • Ports to connect different input and output devices.
                 • Memory slots that contain the system’s main memory.
                 • ROM-BIOS chip that acts as an interface between the operating system and the hardware of a computer.
                 • System Clock that synchronises all the components of the motherboard.
                 • Power connector that gives power supply to all the essential components on the motherboard.


                       Understanding Operating System

              An Operating System is a system software which acts as an interface between the user and the computer. It is an
              important component of a computer system which controls all other components of the computer system. It helps
              us to communicate with the computer without knowing its language. Without an Operating System the computer
              is of no use. Some of the commonly used Operating Systems are Windows, DOS, UNIX, Ubuntu, MacOS etc.
              Mobile devices also have operating system that help them perform their functions. For example, Apple iOS and
              Google Android.



                                            APP APP

                                            APP APP



                                                             Operating
                                                               System









                                                           Operating System




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