Answer:
EventHandler
Explanation:
In order to do this the programmer needs to use the EventHandler class. This class allows the computer to listen for certain user actions such as pressing a button. Using this on a button would then allow the programmer to specify what they want to happen when the user clicks the button or performs a certain action. For example, in this scenario, the programmer would program an EventHandler so that when the button is clicked it saves the input to a variable and changes the input field to the next option.
Answer: b)It helps to engage workers in continuous improvement activities.
Explanation: Poke-yoke method was the technique to eliminate the mistakes that happen in a manufacturing process. It helps in avoiding the issues in the product and correcting those errors.
Mistake proofing is the mechanism of this methods that ensures about the product manufactured is safe from any failure and defects.It alerts the workers to improve the product through their working.
Other options are incorrect because it was developed by Shigeo Shingo , they had easy mechanism and feedback system did not told the workers about defects.Thus, the correct option is option(b).