Computers

2. A computer program that protects your computer from malicious users by blocking incoming and outgoing unauthorized access.
3. A small, unauthorized program that can damage a PC.
5. It allows you to type information into your computer.
8. Equipment for converting paper documents to electronic documents that can be used by a computer.
9. This is the basic software that runs on a computer.
11. Turn off the computer.
12. A portable computer.
13. Another word for computer screen.
14. A disk for storing computer information. It can be read by a computer with an optical drive.
15. This is a small device that you can store files on.
16. Junk, unsolicited mail.
18. A mobile phone that includes a palmtop computer or PDA and also gives access to Internet and email.
19. A way of sending and receiving messages via the Internet.

1. An image that appears on your computer screen when you are not using it.
4. Looking at web pages.
6. A way of communicating wirelessly over short distances between electronic devices (for example computer and mobile telephone).
7. A Microsoft programme package including e.g. Word, Excel, Powerpoint.
10. An unwanted happening that forces you to restart your computer.
13. Equipment connected to a computer for sending/receiving digital information by telephone line. You may need it to connect to the Internet, to send electronic mail and to fax.
17. This is the program you use to surf the Internet.