1.To keep computer files secure,many programs require the user to enter a password.The shortest allowable passwords are typically six characters long and can contain both numbers and letters .How many six-character passwords are possible if (a)charac

We must make some r_______ to keep the computer room clean and tidy. what do you think __(save)in the computer to keep save? 阅读短文,We live in the computer age.People use computers to do much of their work.But few people know how to look after them.Remember the following when you use your computer:1.Keep your computer in a cool,dry room.Too much or too little heat is to keep... you should take more exercise to keep f[ ] 阅读理解Many people can use the computer,but few of them know how to look after them.Remember the following when you use the computer.1.Keep your computer in a cool,dry room.Too much heat（热量）is bad for computers.2.Do not let people smoke If you want to keep the picture,__it on the computer.A.take B.put C.save D.show _________ your computer in a cool and dry room.A.To keep B.Keeping C.Keep D.Keeps为什么是Keep呢?这几个有什么区别?怎么用? Keeping your system up to date is the only way to keep viruses out of your computer翻译,有能力判断一下正误 What should we do to keep healthy?oneimportant rule is to exercise( ).The F How to playabout computer how to fix computer ? form one computer to another computer是什么意思 from one computer to another computer是什么意思? Many young people can use the computer, but few of them know how to look aft……Many young people can use the computer, but few of them know how to look after them. Remember the following when you use the computer.l Keep your computer in a come up with keep up with有什么区别啊怎么都有赶上的意思it is hard to ()the changges in computer technology. When you are on your computer at home or at school,there are some very important things to keep in的翻译 根据句意及首字母提示写单词 We must make some r____ to keep the computer room clean and tidy.