●The operating system provides an easy－to－use （73) to users.（73)A. interface B. hardware C

To ensure the safe operation of each ship and to provide a link between the Company and th

Operating systems provide （） between users and the computer.A.a linkB.an interfaceC.devic

A．Impressive at first.B．A switchboard operating system.C．The nervous center of the hot

● Most of the host operating system provides a way for a system administrator to manually

The camshaft on a four-stroke/cycle diesel engine provides a means to operate the _____.A.

The subway system is no longer 【operative】.A.runn