Computer Concepts - Other Input Devices

There are few other input devices which help to feed data to the computer. They are as follows −

Input Devices	Characteristics	Image
Trackballs	A trackball is also a pointing device which will work like a mouse. It is mainly used for gaming and entertainment purpose.
Digital Pens	A digital pen is another input device which is mostly used with tablets, PDAs, etc. A digital pen is also called as a Stylus which helps to write or draw data over pad.
Scanners	Scanners transform printed material and photographs into a digital representation. After scanning of printed material, page is represented in memory as an array of pixels.
Barcode Readers	Barcode reader helps to read information which is printed as bars in back of goods or items. Barcode readers are most widely used input devices which we can see in most of products in our day to day life.
Voice Recognition System	Voice recognition system interprets or receives dictation or spoken commands to authorize user.
Touch screen	A touch screen is an input device which uses sensors to sense touch of users to get input data.

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