INPUT DEVICES

LATEST INPUT DEVICES

WHAT IS AN INPUT DEVICES ?

An input device is any device that provides input to a computer. There are dozens of possible input devices, but the two most common ones are a keyboard and mouse.


TYPES OF INPUT DEVICES

  • Keyboard

  • Mouse

  • Joystick

  • Light pen

  • Track Ball

  • Scanner

  • Graphic Tablet

  • Microphone

  • Magnetic Ink Card Reader (MICR)

  • Optical Character Reader (OCR)

  • Bar Code Reader

  • Optical Mark Reader


SOME OF THE LATEST INPUT DEVICES

Bar Code Readers

Bar Code Reader is a device used for reading bar coded data (data in form of light and dark lines). Bar coded data is generally used in labelling goods, numbering the books, etc. It may be a hand-held scanner or may be embedded in a stationary scanner.


Optical Mark Reader (OMR)

OMR is a special type of optical scanner used to recognize the type of mark made by pen or pencil. It is used where one out of a few alternatives is to be selected and marked. It is specially used for checking the answer sheets of examinations having multiple choice questions.