Computer Brief Knowledge And Fact

                                 

                                           Computer   

A computer is a an electronic data processing device which can read,write,compute and compare store and process large volumes of data high speed  accuracy and reliability.

                                                                                                                                   Components Of  Computer                                            

1.Input Unit Devices2.Central Processing Unit          3.Output Unit

1.Input Unit Devices- Used to give instructions.For example.

                                 

•                                 Keyboard  

  

              

• 
  
• Joystick
• Optical Character Reader
• CD(Compact Disc)
• Barcode Reader
• Biometric Sensor
• Touch Screen
• Digital Camera
• Light Pen
• Scanner
• Microphone etc....