In recursive backtracking, if one set of recursive calls does not result in a solution to the problem, what happens? Group of answer choices The program returns to a previous decision point and makes a different decision. The program backs up to the previous decision point and throws an exception. The program continues, with unexpected results. The program backs up to the original method call.

"gps interaction and cognitive process" respond to the following: imagine that you have been asked to design a gps product that will have voice recognition and bluetooth capability. discuss and conceptualize a user interaction model. predict two (2) problems that may arise in gps products with voice recognition and bluetooth capability. recommend solutions for each of these issues. attention is one of the six cognition processes. when attention is applied to a design, the goal is to make it easier for the end user to quickly locate where he / she should type information on the computer or mobile device screen. compare and contrast how the google search engine and the microsoft bing search engine employ the attention cognition process. provide your opinion as to which search engine better employs the attention cognition process and explain why.