関連ワード:  two key functions of an operating system    two main functions of an operating system    two basic functions of an operating system    two primary functions of an operating system    two key features of an operating system    define two main functions of an operating system    state two basic functions of an operating system excluding task performed by utilities    name two important functions of an operating system    write any two key features of an operating system    what are the two main functions of an operating system quizlet  
結果 : two key functions of an operating system