Sample Document 2 Sample Document 1 Operatine Sustem Operating System tal An operating system is software that manages computer hardware and other software File Type File Types There are different types of files that programs create. File types are determined by their file extension, which is usually a three-letter code added to the filename. There are different types of files that programs create File types are determined by their file extension, which is usually a three-letter code added to the filename. Star Start Clicking the Start button (or Windows logo,) the Start Menu pops up and shows more programs, which the user can click in order to be launched. Clicking the Start button (or Windows logo,) the Start Menu pops up and shows more programs, which the user can click in order to be launched 1. Which document looks more professional? Why?​