问题 单项选择题

Password is a secret series of (73) that enables a user to access a file,computer,orprogram.On multi—user systems,each user must enter his or her password before the computerwill respond to (74) .The password helps ensure that (75) users do not access the computer.In addition,data files and programs may require a password.

A.power
B.authorized
C.accredit
D.unauthorized

答案

参考答案:D

解析:密码是一个具有秘密特性的字符串,它能够使用户访问文件、计算机或程序。在多用户系统中,每个用户在计算机执行其命令前必须输入他(她)的密码。密码帮助保护未经授权的用户不能访问该计算机。另外,数据文件与程序也可能需要密码。

单项选择题
问答题