関連ワード:
what is the major functions of operating system what is the main functions of operating system what is the basic functions of operating system what is the primary functions of operating system what is the key functions of operating system what is the main function of operating system in computer what is the primary function of operating system like windows 10 what is the primary function of operating system mcq what is the main function of operating system in electronic devices what is the primary function of operating system in computer
