操作系统为用户提供了操作界面，用户可以通过某种方式和命令启动、控制和操作计算机。

计算机上配有某种高级语言，是指该计算机（）。

计算机上配有某种高级语言，是指该计算机（）。

只有当某种条件满足时，计算机病毒才能被激活产生破坏作用。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

在计算机指令系统中，确定操作数有多种方法。当操作数直接由指令给出时称为（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

计算机执行某种操作的命令是_________。