word processing software would be your answer.
Is it a multiple choice answer?
C. Provides an interface between user and OS.
The GUI, or Graphical User Interface, is just about everything you generally see with a common computer or smartphone. You rarely run an application or program from the command itself, as clicking an icon in the GUI runs the software for you.
Well, more and more people are buying products and then uploading them online so that other people, who may not have the money or just don't want to buy them can download them for free. Of course, this is illegal, however it is a common practice all over the globe. Even if you are not downloading, but rather just watching a show on a website where you don't have to pay for it - it is still piracy.
answer:The gear is called an idler and its primary function is to change the direction of rotation rather than decrease the speed or increase the torque. Calculating the gear ratio in a planetary gear reducer is less intuitive as it is dependent on the number of teeth of the sun and ring gears.
Explanation: