【单选题】Password is a secret series of(69)that enables a user to access a file, computer, or program. On multi-user systems, each user must enter his or her password before the computer will respond to(70). T...
【简答题】Learning to use a computer is getting easier all the time because ________. A) programs are becoming less complicated B) programs are designed to be convenient to users C) programming is becoming easi...