Operating
问题Operating systems provide （） between users and the computer.A.a linkB.an interfaceC.devic
Operatingsystemsprovide（）betweenusersandthecomputer.A.alinkB.aninterfaceC.devicesD.appli
问题The basic unit of software that the operating system deals with in scheduling the work don
Thebasicunitofsoftwarethattheoperatingsystemdealswithinschedulingtheworkdonebytheprocess