Friday, July 25, 2014

                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,
Blu-Tech Ramakrishnan
Mobile : +91-9840287239 
                                 

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