Discuss the fact that it is important to test for invalid input for the initial sentinel value when using while loops. How might you modify the code in Examples 5-4 and 5-5 to account for an invalid initial sentinel value? In other words, you would like the condition of the while loop to be tested at least once without input failure, and you would also like to avoid an infinite loop. Would initializing the sentinel variable during its declaration be helpful?

Jasper and samantha are in a robotics competition. the guidelines state that the robots should be able to move a 10-gram weight at least 2 meters and turn in a circle. jasper and samantha have already built the robot. which step of the design process should they follow next to decide whether their robot meets the minimum criteria for the competition?

Which software would you use to create a print design? a. illustrator b. audacity c. reaper d. dreamweaver

When early motion pictures played in movie theaters, they were often accompanied by live organ or piano music. which of the following are the most likely reasons that this happened? (select all that apply). the music was provided to distract audience members from the loud sounds made when filmstrips were changed. the music accompanied the movies because the movies were silent and audiences were used to hearing music during plays in theaters. the music usually was played before, and sometimes after the movie, as an alternative form of entertainment. the music viewers to interpret the dramatic action in the films.