is designed to make users more productive and/or assist them with personal tasks. Select one: O a. operating system O b. application software O c memory management O d. system software is a pressure-sensitive pointing device,and it is shaped like a pencil eraser that is positioned between keys on a mobile computer keyboard Select one: O a. Touch mouse O b. Trackball O c. Pointing stick O d. Touchpad Android which is a mobile operating system was designed by Select one: O a. Microsoft O b. Apple O c. Google O d. none of the other three choices