Write a recursive function that returns true if the given string consists of identical characters (for example "aaa") or is empty. Use recursion. Do not use loops.

In which phase does software coding and testing happen in the spiral model? the spiral model does not have a separate testing phase. both, software coding and testing occurs during the phase.

You have inserted new slides based on a word outline. how do you format these new slides to match the powerpoint presentation formatting? a. select all slides in the presentation and click format on the home tab. b. select the new slides and click reset on the home tab. c. select all slides in the presentation and click reset on the home tab. d. select the new slides and click format on the home tab.

Which of the following is not contained on the slide show toolbar? a. next button b. slide button c. close button d. pen too