http://www.mohanfoundation.org/download_donorcard.asp

http://www.mohanfoundation.org/download_donorcard.asp

                LESSON -1          {BASIC OF COMPUTER}

                  Charles Babbage, FRS was an English polymath. He was a mathematician, philosopher, inventor and mechanical engineer, who is best remembered now for originating the concept of a programmable computer

1. COMPUTER EXPLANATION  :C-commonly ,O-Operating, M-Machine ,P-Particularly U-Used ,T-Trade ,E-Education ,R-Research.

          Computer Definition   :  Computer is electronic data processing Device Store

          Large amount of data TO  Processing high speed

      

2    Computer Input     :   

       

             

 

• Keyboard
• mouse
• joystick
• lightpen
• track ball
• scanner
• micro phone
• magnetic ink card reader (MICR)
• OPTICAL CHARACTER  READER  (OCR )
• Bar code reader

3     Computer Output  : 

        

• monitor
• printer

 4    SYSTEM UNIT : Computer parts

•  motherboards
• processor
• ram (RANDOM ACCESS MEMORY)
•  Hard disk
• DVD Writer
• cabinet      
• smps  (SWITCH MODE POWER SUPPLY)

5     Motherboard Parts

            

           Motherboard is the main board in the computer,It holds the CPU ,and the other components in a computer .it is placed safely and securely inside the computer cabinet

(images only via internet)

• on board device inter face
• AGP Slot
• Pci Bus
• Heat sink & processor
• Ram slot
• Floppy interface
• ide interface
• post display(old)

ALL IMAGES DOWNLOADED ONLY INTERNET

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By,

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