focuses
问题Computer（）focuses on protecting information ，hardware ，and software from unauthorized us
Computer（）focusesonprotectinginformation，hardware，andsoftwarefromunauthorizeduseanddamag
问题Computer （） focuses on protecting information，hardware，and software，and software from una
Computer（）focusesonprotectinginformation，hardware，andsoftware，andsoftwarefromunauthorize