1 - You need to connect ______ your modem to the telephone line.

2 - I'll print ______ the relevant information.

3 - I need to key this data ______ the database.

4 - There was a fire and they had to shut ______ the main computer.

5 - It takes ages for my computer to boot ______ in the morning. I turn it on and go off for a coffee.

6 - We'll have to wait whilst the computer powers ______ . Then we can start.

7 - You need to log ______ before you can start using it.

8 - You need to back ______ your important files.

9 - We cannot access the file. The computer has gone ______ .

10 - It's not enough to just delete the information. It is still there and can be recovered. You need to wipe it ______ with a special program.

11 - Remember to switch this ______ when you are not using it to save power.

12 - You need to switch it ______ using this button before you can use it.

13 - They were able to hack ______ Microsoft's system and steal the passwords.

14 - All you have to do is to type ______ in your name and address.

15 - After you finish, you need to log ______ .