I am not a living being, I am a cylindrical shape that has three to eight sides. I never die. I can build anything again. What is this puzzle, knowing that one of these hints is wrong​

2.)how does a graphical user interface (gui) on a touchscreen interface differ from a gui on a desktop or laptop? a.)a finger or stylus is used instead of a pointer. b.) a magic wand is used instead of a pointer. c.)users speak commands instead of using a pointer. d.)users visualize commands instead of using a pointer.

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.

If a client wants to make minor edits, what should he/she use?