How do different types of software work together? check all that apply. application software is the middleman between the user and the os. the os translates application software instructions into a language the bios understands. instructions from the os are translated into a language the hardware understands in order to accomplish a task using bios. the os is the middleman between the user and the os, and the application software and the bios. application software works directly with bios to create a language that the os understands.