関連ワード:  what are two main functions of an operating system    what are the two main purposes of an operating system    what are the two primary functions of an operating system    1 what are the two main functions of an operating system    what are two functions of an operating system    what are any two major functions of operating system    define two main functions of an operating system    two basic functions of an operating system    two key functions of an operating system    what are the two features of an operating system  
結果 : what are two main functions of an operating system