Input Devices!!!

13
INPUT DEVICES

description

Input Devices

Transcript of Input Devices!!!

Page 1: Input Devices!!!

INPUT DEVICES

Page 2: Input Devices!!!

Barcode Reader

A Barcode reader is an electronic device for reading printed barcodes.

All barcode readers contain decoder circuitry analyzing the barcode's image data provided by the sensor.

Page 3: Input Devices!!!

MICR

MICR is a character recognition technology used primarily by the banking industry to facilitate the processing of cheques.

Page 4: Input Devices!!!

OMR This device is designed to be able to

read markings that have been placed in specific places on a form or card.

Lottery tickets are a form of input that an optical mark reader uses to input data.

OMR table >>>>>>>>>>

Page 5: Input Devices!!!

Magnetic Stripe

A magnetic stripe card is a type of card capable of storing data by modifying the magnetism of tiny iron-based magnetic particles on a band of magnetic material on the card.

Page 6: Input Devices!!!

Joystick

A joystick is an input device consisting of a stick that pivots on a base and reports its angle or direction to the device it is controlling.

Page 7: Input Devices!!!

Concept keyboard

An concept keyboard is a specialized keyboard with no pre-set keys. Each key can be programmed with a wide range of different functions.

Page 8: Input Devices!!!

Chip reader

A chip reader is a device used for communication with a smart card or a flash memory card.

Page 9: Input Devices!!!

Tracker ball

A trackball is a pointing device consisting of a ball held by a socket containing sensors to detect a rotation of the ball about two axes—like an upside-down mouse with an exposed protruding ball.

Page 10: Input Devices!!!

Scanner

In computing, a scanner is a device that optically scans images, printed text, handwriting, or an object, and converts it to a digital image.

Page 11: Input Devices!!!

Touch Pad

A touchpad is a pointing device consisting of specialized surface that can translate the motion and position of a user's fingers to a relative position on screen.

Page 12: Input Devices!!!

PIN Pad

A PIN Pad is an electronic device used in a debit or smart card-based transaction to input and encrypt the cardholder's PIN.

Page 13: Input Devices!!!

Light Pen

A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's CRT TV set or monitor.