Input Device. (IT Tools & Business System)

An input device accept data from the out side world and transfer. It in to a computer understandable from. 
         The Most commonly used input device can be classified in to different categories. 

1. Keyboard 

2. Pointing & Draw Device-

(a) Mouse

(b) Joystick

(c) Light Pen

(d) Touch Pen

(e) track Ball

3. Scanning Device-

(a) Scanner

(b) OMR

(c) MICR

(d) OCR

(e) Electronic card reader

(f) Smart card reader

(g) Audio input device

(h) web cam