"Barcode" (BARCODE), or in a language that "Thailand" bar-code, which may rarely sound familiar. Due in large part to retrieve the transliterated as "barcode" by this bar codes used for quarantine episode payment or check stock. Check the sales, which can be checked by using a bar code reader, called the "barcode scanners (Barcode Scanner)" by using this method is faster and more convenient to key information into the computer code or number. How is it to shoot a laser beam to the barcode by barcode scanners are considered to be hardware. Read the barcode and then converted to code up into a software on computer.