Computer and its Parts

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What is Computer? Parts of a Computer

Computer is an electronic device or machine than can store, organize, calculate, control other machines and find information. 

 

 

 

 

 

 

Severally there are three kinds of computers.

a. Minicomputer: Minicomputer is a powerful computer because it can support many users at once.  

 

 

 

 

 

 

 

 

 

                                Minicomputer 

b. Mainframe computer: Mainframe computer is a large high power computer that can perform billions of calculations from multiple sources at once. 

 

 

 

 

 

 

                     Mainframe Computer 

c. Supercomputer: Supercomputer is a machine that can process billions of instructions in a second and is used to calculate extremely complex calculations.   

 

 

 

 

 

 

 

 

                  Super Computer 

A computer has many parts. 

 

 

 

 

 

 

The major parts are: 

 

 

 

 

 

 

 

 

 

             The Motherboard, 

 

 

 

 

 

 

 

 

 

                         CPU 

 

 

 

 

 

 

 

          Memory or RAM, 

 

 

 

 

 

 

 

            Hard Drive 

 

 

 

 

 

                     

                Video Card. 

 

 

 

 

 

 

 

 

                        Monitor

 

 

 

 

 

 

 

 

 

                         CD Drive

 

 

 

 

 

 

 

 

             System Unit 

 

 

 

 

 

 

 

 

 

 

                               Printer 

 

 

 

 

 

 

 

 

 

                              Card reader  

 

 

 

 

 

 

 

                                Mouse

 

 

 

 

 

 

 

                            Keyboard

 

 

 

 

 

 

 

 

 

 

                      Microphone

 

 

 

 

 

 

 

 

                           Speakers

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