Many systems provide the ability to have alternatives to visual or other sensory attributes (such as color or sound) for the purpose of accessibility (for example a picture to be displayed on a web page may have a textual alternative that could be read by a text-to-speech peripheral for the usually impaired). define an interface accessibleguiattribute that contains a single method, getalternativetext, that returns a string representing the textual alternative of an object. getalternatrive accepts no parameters.210)

Which of the following “invisible” marks represents an inserted tab?

If you embed a word table into powerpoint, what happens when you make edits to the embedded data? a. edits made to embedded data change the data in the source file; however, edits made to the source file will not be reflected in the embedded data. b. edits made to embedded data will change the data in the source file, and edits made to the source file will be reflected in the embedded data. c. edits made to embedded data don't change the data in the source file, nor will edits made to the source file be reflected in the embedded data. d. edits made to embedded data don't change the data in the source file; however, edits made to the source file will be reflected in the embedded data.

Describe a data structures that supports the stack push and pop operations and a third operation findmin, which returns the smallest element in the data structure, all in o(1) worst-case time.