関連ワード:  main function of cpu in a computer    primary function of cpu in a computer    primary role of cpu in a computer    basic function of cpu in computer    main function of processor in computer    list out the main function of cpu in a computer system    function of cpu in a computer    list the main function of cpu in computer system    define function of c.p.u in a computer    1 what is the main function of the cpu in a computer