You need a Interface card like this one http://www.happcontrols.com/validators/96060600kit.htm
Each machine has a coin mechanism and a bill validator. The coin mechanism weighs the coin's and distributes change for the bill validator. The validator checks the bills as they are inserted, many need to be upgraded to the new bill, so if a machine does not take the new bills it is not necessarily broken just needs to be upgraded.ThanksHope this helps
The computer program used to check a piece of code or document for correctness is called a validator. Validators are used in a lot of online word games.
A w3 validator runs side by side with your web browser. It checks and validates that each web documentation you are running and or open are what they say they are and are't going to mess with your computer in harmful manners.
For detail information about computer data interface visit the following link named "Computer Data Interface"
Use an HTML validator - http://validator.w3.org/ and a CSS validator - http://jigsaw.w3.org/css-validator/
In order to understand the use of a w3 validator you would need to have at least a Bachelors degree in either Computer language and website building. w3 validators are used to make computer language cleaner between HTML based and XHTML.
For detail information about computer data interface visit the following link named "Computer Data Interface"
It's called bill validator. Here's an article on them. http://en.wikipedia.org/wiki/Currency_detector
SCSI stands for Small Computer System Interface. It is a set of standards used by computer engineers to physically connect and transfer data between computers and other devices.
a human interface device is the device the human uses to communicate with a computer, like a mouse or keyboard. Human computer interface refers to all of those working together to let the human control the computer.
The user interface system that is installed in the computer doesn't work well with the computer savvy people.
A computer's graphical user interface can be controlled with a mouse or trackpad.