Cell phones or also called mobile phones have been a very essential part of our daily lives and without it life seems a little bit different and uneasy. Communication is one of the most important factors in any field. Without the communication nothing seems to be possible and with the advanced technology in our hands […]

The advanced technology has helped in every field even in medical field. Over the decade a lot of invention has been made to help the better life of mankind. There are so many instruments which are essential in medical field and a lot of tools are so outdated that they don’t match up with the […]

The input device which helps to read the bar code is called barcode readers. This method uses a number of lines of varying thickness and spacing between them to indicate the desired information. An optical barcode reader can read such bars and convert them into electrical pulses to be processed by a computer. Bar codes […]

Magnetic Ink Character Reader (MICR) is an input device widely used by banks to process large volume of checks and deposit forms written everyday. It consists of special ink called magnetic ink (i.e. an ink that contains iron oxide particles) is used to write characters on the check and deposit forms to be processed by […]