To remove extra spaces from a text string while leaving single spaces between words, use the ________ function

XAML is used to define the app’s ________.

a) program logic b) graphical user interface c) code behind classes d) All of the above.

Which of the following statements are not true about text files?

a. contains plain text b. cannot be viewed with an editor such as Notepad c. is the simplest type of data file d. known as a sequential-access file