A barcode scanner is an electronic tool, which could be used to read and output a host of ‘printed barcodes’ to the computer. It comprises a lens sensor, lens and light source for translating the optical impulses into electrical impulses. Barcode scanners are made of decoder circuitry that analyses a barcode’s image data that is provided by the sensor and
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PHP, initially known as Hypertext Processor was released in 1995 as a server-side scripting language. Later on the abbreviation for PHP was modified to Personal Home Page.
The gadget is a device that is able to perform one or several functions. Gadgets often have funky designs but have useful functions as well. It is also being referred as gizmos. The history of gadgets can be traced back to the early 1800s. There is a wide variety of gadget including GPS system, USB toys, smartphone and etc. The