COMPUTER INPUT DEVICES

A COMPUTER IS A ELECTRONIC DATA PROCESSING MACHINE .THERE ARE  MAINLY THREE PART :- INPUT ,OUTPUT, AND PROCESSING .INPUT IS THIS FUNCTION WHICH WORK DATA ENTER IN COMPUTER AND PROCESSOR WORK ON THOSE DATA FOR USER  AND PROCESSOR TRANSFER TO OUTPUT DEVICE FOR USER VIEW. 

                                NAME OF INPUT DEVICE

• MOUSE
• KEYBOARDS
• MICR
• BCR
• SCANNER
• WEBCAM
• WEB PAN

1. 
   
   MOUSE:- MOUSE IS A POINTING DEVICE   THERE  HAS THREE PART  :- LEFT BOTTOM ,RIGHT BOTTOM, AND WHEEL.

• LEFT CLICK:- IN COMPUTER FUNCTION OF MOUSE DONE WITH  LEFT CLICK  BY DEFAULT   . If  WISH TO CHANGE FUNCTION BOTTOM FROM LEFT TO RIGHT  THEN WE GO TO SETTING  AND SELECT MOUSE FUNCTION . For example I select one file for open , that time I go to file and press left bottom  double click on file .
• RIGHT :- RIGHT CLICK WORK FOR REFRESH , BACK , CREATE FILE ,DISPLAY MANAGEMENT,   VIEW ,MOVE COPY,  ETC. 
• WHEEL:- WHEEL USE FOR PAGE UP AND DOWN, 

TYPES OF MOUSE

  

1. 
   
   
   
   
   OPTICAL  MOUSE:-OPTICAL MOUSE USE  MOST OF THE COMPUTER AND  LAPTOPS  IN CURRANT DAY .BECAUSE THOSE MOUSE COMMONLY IN LOW PRICE AND WITHOUT BATTERY  DISTRIBUTES  .OPTICAL MOUSE IS SIMPLE FEATURES  MOUSE THERE HAVE  A WIRE TO CONNECT  PC OR COMPUTER.
2. 
   
   
   WIRELESS MOUSE:- WIRELESS MOUSE USED FOR COMPUTER TO LONG RANGE USER  CONNECTIONS   .  WIRELESS  MOUSE USE WITH RADIO FREQUENCY  . THIS MOUSE IS BEST FOR BUSSINES MAN ,  THERE IS SOME PROBLEM  ,FOR EXAMPLE  IT USE WITH BATTERY 🔋 ,SOME TIME BATTERY CHARGE DOWN THAT TIME MOUSE IS NOT PROPER FUNCTION .

 WIRELESS MOUSE  BUILT  IN 1991 OF LOGITECH BY  SEPHEN T. KIRCH

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TRACKBALL MOUSE:- TRACKBALL MOUSE MOSTLY USE  GAMES PLAY .THIS MOUSE IS A BALL ,WHICH IS MOVE ALL ROUND  WITH SCROLL KEY. TRACK BALL MOUSE  IS A WIRE MOUSE. WHEN USE TRACKBALL MOUSE  NEED FOR THUMB FINGER, AND PLUMB OF HAND.

           TRACKBALL MOUSE  BUILT ABOUT WORLD WAR 2,THAT TIME JOYSTICK USE FOR AIRCRAFT. TINE OF INVENTION ABOUT  1946 TO 1947

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LASER MOUSE :- LEASER MOUSE AS LIKE TO OPTICAL MOUSE ,MAIN DIFFERENT ARE  :- LASER MOUSE HAS A LASER LIGHT AND OPTICAL HAS  LED LIGHT. LASER MOUSE  MOSTLY USE IN GAMING SOURCE. BUT OPTICAL MOUSE IS BETTER THAN LASER MOUSE IN ACCURACY  PURPOSE .

                    SOME OTHER TYPES OF MOUSE ARE OPTICAL MECHANICAL MOUSE , BALL MOUSE 

                KEYBOARD :-KEYBOARD IS TEXT INPUT DEVICE ,

TYPES OF KEYBOARDS

• 
  QWERTY KEYBOARDS:- QWERTY KEYBOARDS DESIGN IN LATIN LANGUAGE. THIS KEYBOARDS USE FIRST FOR SHOE'S NUMBER AND SIZE ARRANGEMENT PURPOSE .NAME MAKE FOR FIRST LETTER OF KEYBOARDS PANEL Q W E R T Y .
• 
  WIRED KEYBOARDS:-A WIRED KEYBOARDS MEANS A KEYBOARD WHICH IS CONNECTED WITH WIRE  FROM USB PORT TO KEYBOARDS 
• 
  NUMERIC KEYBOARDS:-NUMERIC KEYBOARD   GENERALLY IN RIGHT SIDE OF KEYBOARDS PANEL .THERE ARE 17 KEY BOTTOM .LOCK AND UNLOCK FEATURES OF NUMERIC KEYBOARDS  
• 
  ERGONOMIC KEYBOARDS:- ERGONOMIC KEYBOARD IS V SHAPE KEYBOARDS THIS KEYBOARDS DIVIDED INTO TWO PART .ONE IS LEFT PART AND ANOTHER IS RIGHT PART .IT USE FOR BOTH HAND TYPING . VARIOUS TYPES OF ERGONOMIC KEYBOARDS ARE ANGLE SPLIT KEYBOARD ,HANDHELD KEYBOARD, CONTOURED KEYBOARD,SPLIT KEYBOARD ETC
• 
  WIRELESS KEYBOARDS:-WIRELESS KEYBOARD USE WITHOUT WIRE ,IT WORK WITH RADIO FREQUENCY AND BLUETOOTH. AS LIKE WIRELESS MOUSE , WIRELESS KEYBOARDS SUPPORT 2.4 GHz . 
• USB KEYBOARDS:-  USB KEYBOARD CONNECT FROM COMPUTER USB PORT TO KEY PAD WITH A USB CABLE.
• 
  BLUETOOTH KEYBOARDS:- BLUETOOTH KEYBOARDS USE BLUETOOTH TECHNOLOGY .THIS TYPE OF KEYBOARDS IS A WIRELESS KEYBOARD 
• MAGIC KEYBOARDS :-APPLE INTRODUCE MAGIC KEYBOARDS IN 2019 .IT IS A AUTO ADJUST  BASED ON THE PLACE LIGHT BRIGHTNESS .
• 
  BACKLIT KEYBOARDS :-BACKLIT KEYBOARDS ARE KEYBOARDS THAT LIGHT COMING FROM UNDER THE KEYS.
• 
  GAMING KEYBOARDS:- GAMING KEYBOARDS USE MOSTLY IN GAME USER .
• FLEXIBLE KEYBOARDS:- THIS TYPE OF KEYBOARDS CAN MAKE ROUND AND FLA TINE ANY REASON 
• MEMBRANE KEYBOARDS:-MEMBRANE KEYBOARDS USE FOR MANY APPLICATION PURPOSE .AS LIKE HOSPITAL,ENGINEERING COLLEGE, OTHERS FUNCTION .
• MECHANICAL KEYBOARDS : - MECHANICAL KEYBOARDS ARE UNIQUE AND SOFT KEY FEEL FOR USER .THIS TYPE OF KEYBOARDS PROVIDE DESIRED FEEDBACK TO USER.

SOME OTHER INPUT DEVICE ARE

1.  BCR
2. MICR
3. SCANNER 
4. WEBCAM 
5. WEB PAN